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HomeMy WebLinkAboutDDR2014-00088 - DDR Water System - 6/29/2015 � N co&�k MASON COUNTY (360) 427-9670 Shelton ext.352 P Try DEPARTMENT OF COMMUNITY DEVELOPMENT (360) 275-4467 Belfair ext. 352 BUILDING•PLANNING• FIRE MARSHAL (360)482-5269 Elma ext. 352 Mason County Bldg. III, 426 West Cedar Street 'xs' � Shelton, WA 98584 www.co.mason.wa.us June 29, 2015 TO BE KEPT IN THE PARCEL FILE Jester Purtteman, P.E. NORTHWEST WATER SYSTEMS Post Office Box 123 Port Orchard, WA 98366 Re: DDR2014-00088 Sand Hill Water System Dear Mr. Purtteman, We have reviewed the materials you submitted and have completed the Local Government Consistency Review Checklists you provided. The completed Checklist is enclosed for your records. If you have questions or concerns regarding this matter, please contact me at(360)427-967o ext. 286. Sincerer, i Barbara A.Adkins,AICP Director Enclosure Local Government Consistency Review Checklist Water System Name: Sand Hill Water System PWS ID: Pending Planning/Engineering Document Title: Water System Plan Plan Date: November 2014 Local Government with Jurisdiction: Mason County WAC 246-290-108 Consistency with local plans and regulations: Consistency with local plans and regulations applies to planning and engineering documents under WAC 246-290- 106,246-290-107, and 246-290-110(4)(b)(ii). 1) Municipal water suppliers must include a consistency review and supporting documentation in its planning or engineering document describing how it has addressed consistency with local plans and regulations. This review must include specific elements of local plans and regulations. This review must include specific elements of local plans and regulations, as they reasonable relate to water service as determined by Department of Health (DOH). Complete the table below and see instructions on back. Local Government Consistency Statement Page(s)in Yes-No-Not Planning Applicable Document a)The water system service area is consistent with the adopted land use and Section 1.4,1.5, zoning within the applicable service area. 1.6,maps in Yes Section 10.7 b)The six-year growth projection used to forecast water demand is consistent with the adopted city/county's population growth projections. If a different Section 2.1,2.2, Yes growth project is used, provide an explanation of the alternative growth 2.4 projection and methodology. c)Applies to cities and towns that provide water service: All water service area policies of the city or town are consistent with the utility service Not applicable extension ordinances of the city or town. d)Service area policies for new service connections are consistent with the adopted local plans and adopted development regulations of all jurisdictions Section 1.8 Yes with authority over the service area, (Mason County). e)Other relevant elements related to water supply are addressed in the water system plan, if applicable: Coordinated Water System plans, Regional Section 1.4 Yes Wastewater plans, Reclaimed Water plans,Groundwater Area Management plans,and Capital Facilities Element of Comprehensive plans. I certify that the above statements are true to the best of my knowledge and that these specific elements ar.wconsistent with adopted local plans and development regulations. DLie- Signature Date 2 rinted Name,Title and Jurisdiction Local Government Consistency Review Checklist Water System Name: Sand Hill Water System PWS ID: Pending Planning/Engineering Document Title: Water System Plan Plan Date: November 2014 Local Government with Jurisdiction: Mason County WAC 246-290-108 Consistency with local plans and regulations: Consistency with local plans and regulations applies to planning and engineering documents under WAC 246-290- 106, 246-290-107, and 246-290-110(4)(b)(ii). 1) Municipal water suppliers must include a consistency review and supporting documentation in its planning or engineering document describing how it has addressed consistency with local plans and regulations. This review must include specific elements of local plans and regulations. This review must include specific elements of local plans and regulations,as they reasonable relate to water service as determined by Department of Health (DOH). Complete the table below and see instructions on back. Local Government Consistency Statement Page(s)in i Yes—No—Not Planning Applicable Document a)The water system service area is consistent with the adopted land use and Section 1.5,1.6, zoningmaps in Section within the applicable service area. 1� h)The silzyear srowth projection used to forecast water demand is consistent with the adopted city/county's population growth projections. If a different growth project is used, provide an explanation of the alternative growth Section 2 projection and methodology. c)Applies to cities and towns that provide water service: All water service area policies of the city or town are consistent with the utility service Not applicable extension ordinances of the city or town. d)Service area policies for new service connections are consistent with the adopted local plans and adopted development regulations of all jurisdictions Sections 1.8,1.9 with authority over the service area{City(ies), County(ies)]. e)Other relevant elements related to water supply are addressed in the water system plan, if applicable: Coordinated Water System plans, Regional Section 1.4 Wastewater plans, Reclaimed Water plans,Groundwater Area Management plans,and Capital Facilities Element of Comprehensive plans. I certify that the above statements are true to the best of my knowledge and that these specific elements are consistent with adopted local plans and development regulations. Signature Date Printed Name,Title and Jurisdiction Consistency Review Guidance For Use by Local Governments and Municipal Water Suppliers This checklist may be used to meet the requirements of WAC 246-290-108. When using an alternative format, it must describe all of the elements; 1a), b), c), d), and e),when they apply. For water system plans(WSP),a consistency review is required for the retail service area and any additional areas where a municipal water supplier wants to expand its water right's place of use. For small water system management programs, a consistency review is only required for areas where a municipal water supplier wants to expand its water right's place of use. If no water right place of use expansion is requested, a consistency review is not required. For engineering documents, a consistency review is required for areas where a municipal water supplier wants to expand its water right's place of use(water system plan amendment is required). For non- community water systems, a consistency review is required when requesting a place of use expansion. All engineering documents must be submitted with a service area map per WAC 246-290-110(4)(b)(ii). A) Documenting Consistency: Municipal water suppliers must document all of the elements in a consistency review per WAC 246-290-108. 1 a) Provide a copy of the adopted land use/zoning map corresponding to the service area. The uses provided in the WSP should be consistent with the adapted land use/zoning map. Include any other portions of comprehensive plans or development regulations that are related to water supply planning. 1 b) Include a copy of the six-year growth projections that corresponds to the service area. If the local population growth rate projections are not used, provide a detailed explanation on why the chosen projections more accurately describe the expected growth rate. Explain how it is consistent with the adopted land use. 1c) Include water service area policies and show that they are consistent with the utility service extension ordinances within the city or town boundaries. This applies to cities and towns only. 1 d) Include all service area policies for how new water service will be provided to new customers. le) Other relevant elements related to water supply planning as determined by the department (DOH). See Local Government Consistency—Other Relevant Elements, Policy B.07, September 2009. B) Documenting an Inconsistency: Please document the inconsistency, include the citation from the comprehensive plan or development regulation, and provide direction on how this inconsistency can be resolved. C) Documenting Lack of Consistency Review by Local Government: Where the local government with jurisdiction did not provide a consistency review, document efforts made and the amount of time provided to the local government for their review. Please include: name of contact, date, and efforts made (letters, phone calls, and e-mails). In order to self-certify, please contact the DOH Planner. Chapter 1 System Description 1.1 Ownership and Management The entire Sand Hill Water System is located on a single property owned by Northshore Storage. The owner wishes to develop an area where people who enjoy the nearby forests, lakes, and Hood Canal can store their recreational equipment and stay on site while using them. The property will have 22 residences (rentals), a mini-storage facility, two offices, covered storage, "laydown yards", and a 24 lot RV park with a community shower. Ownership of the entire property and all proposed connections will be retained by Northshore Storage. The property is located near Hood Canal, Tahuya State Forest, and the town of Belfair in The SE1/4 of the SE1/4 of Section 30 of Township 23 North, Range 1 West, W.M. Specific data about the system can be found in the Water Facilities Inventory included in Section 10-5. Pertinent information about the water system is summarized below: Water System Name: Sand Hill Water System Type: Group A Community Water System WSDOH ID Number: Pending Location: Mason County, Washington Source: Groundwater Type of Ownership: Corporation (Northshore Storage) Owner Address: 211 NE Sand Hill Road, Belfair,WA 98528 Owner Phone: 206-391-7502 Owner Contact: Laure Iddings Proposed Service Connections: 54 Estimated Population Served: 223 Type of Management: Satellite Management Agency(SMA) Name of SMA: Northwest Water Systems SMA Contact: Kelly Alsin, WDM3 SMA Address: PO Box 123 Port Orchard WA 98366 SMA Phone: (360)876-0958 1.1.1 Owner Responsibilities Northshore Storage LLC (owner) controls the affairs and business of the corporation and exercises ownership authority and control over the entire property and assets on which the water system sets. The owner shall take responsibility for the construction of the Sand Hill water system and administer routine financial responsibilities and implement planning and capital improvements. To fulfill the responsibility of operating and maintaining the water system, Northshore Storage will contract with a Satellite Management Agency. Northwest Water Systems,Inc. 1 Sand Hill Engineering-Consulting-Management Water System Plan 1.1.2 SMA Responsibilities Northwest Water Systems (NWS) has been contracted by the owner to serve as the water system's satellite management agency(SMA). In this capacity, NWS provides routine operation and maintenance services including 24-hour emergency response, coordination of repairs, development and implementation of the cross-connection control program, water quality monitoring, and oversight of other regulatory compliance topics. The SMA provides certified operations and management services meeting the requirements for Group A water systems. 1.2 History and Background The property on which the Sand Hill Water System sits was first developed in 1998 when two well sources were drilled and an eight inch water main was installed from the wells to the existing fire hydrant near Sand Hill Road. The concept was to create a large mini-storage facility and Mobile Home Park on the West End of the property with a few residences near Sand Hill Road. Water Rights were obtained in 1996 for this purpose. Due to financial constraints the project was put on hold. Ownership of the property changed and the development of this land is desired again. 1.3 Existing Facilities Groundwater is withdrawn from 2 wells located within 110 feet of each other. The wells were both drilled in 1998 and plumbed to a pumphouse built in a central location. At the same time, 800 feet of 8" water main was installed from the pumphouse to a fire hydrant located near Sand Hill Road. The 2 wells, the pumphouse, and the 8" water main will be utilized in the proposed system design located in Chapter 8. 1.4 Existing Service Area Characteristics The Sand Hill retail service area encompasses a 38.44 acre lot. A map of the Retail Service Area (RSA) is found on the following page. A detailed system map is included in Section 10-1. Zoning within the Sand Hill community is shown on maps prepared by Mason County(see maps included in Section 10-6). The area is zoned for Services—Business. 1.5 Future Service Area No increase in the system's service area is anticipated; all growth on the water system in the future is expected to be in the development of the lot within the existing service area. Northwest Water Systems, Inc. 2 Sand Hill Engineering-Consulting-Management Water System Plan m 4 �Fw AL 4 i � 4 Y Lyric Cie tL Li s Figure 1:Sand Hill Water System vicinity map. Northwest Water Systems,Inc. 3 Sand Hill Engineering-Consulting-Management Water System Plan a r r rt , a l Figure 2:Sand Hill Water System Service Area Boundaries Bold line denotes the existing/retail/future service area. No expansion of the service area is planned. Retail and future service area boundaries are coincident. Adjacent areas are zoned rural-20.Area is not part of any UGA. Northwest Water Systems,Inc 4 Sand Hifl Engineering-Consulting-Management Water System Plan 1.7 Service Area Policies The Sand Hill water system, in its commitment to provide dependable water service in accordance with all applicable regulatory rules and regulations will observe the following general policies. 1.7.1 Annexation Annexation will not serve as a condition for providing service. 1.7.2 Direct Connection and Satellite/Remote Systems Future direct connections to the Sand Hill water system will occur as a result of infill within the retail service area. Satellite systems are noncontiguous or separate water systems that use separate facilities and infrastructure and may be served by a different source. Sand Hill does not operate nor has responsibilities associated with any satellite water systems. 1.7.3 Design and Performance Standards All design and construction shall be completed under the direction of the Owner. Standards and details for pipe installation and service connection details are included in Section 7. 1.7.4 Outside Customers and Improvement Districts The system will not serve any outside customers or districts. 1.7.5 Urban Growth Area The system is not located within an urban growth area. '1.7:6 Late-Comer Agreements Late-corner agreements do not apply to the system. 1.7.7 Oversizing The existing distribution system is capable of serving the entire existing service area. 1.7.8 Cross-Connection Control Program(CCCP) Sand Hill Water System has prepared a cross-connection control policy statement and developed a cross-connection control program and backflow incident response plan. In accordance with these documents, the installation or maintenance of a cross connection is prohibited. Cross connections that cannot be eliminated shall require the installation of an approved backflow protection device and shall be annually inspected and tested in accordance with the Sand Hill Water System cross-connection control program. 1.7.9 Extension No extensions are anticipated nor proposed. Northwest Water Systems, Inc. 5 Sand Hill Engineering-Consulting-Management Water System Plan 1.8 Conditions of Service The Sand Hill water system has a duty to serve all connections located within its Retail Service Area, so • long as the following four threshold factors are met, as described in Washington Administrative Code (WAC) 246-290-106: 1. Sand Hill has sufficient capacity to provide water in a safe and reliable manner. The Sand Hill Water System is submitting this Water System Plan to gain approval for all proposed connections to the system. 2. The service request is consistent with state and local regulations. The provision of service within the Retail Service Area is considered to be consistent with the Mason County Comprehensive Land Use Plan. 3. Sand Hill has sufficient water rights to provide service. The Water Rights Self-Assessment forms included in the Water System Plan (see Section 10-8) show that the system has sufficient water rights to meet the water right criteria through build- Out. 4. Sand Hill can provide service in a timely and reasonable manner. The entire water system and aN connections will be owned by a single entity and on a single property. The owner of the water system will be the only one requesting services. 5. The process for adding connections shall involve the system owner reviewing the WFI to ensure there are connections available and the WSP for consistency with the system design. When both steps are satisfied, a Determination of Adequacy will be sent to the Mason County Planning Department. 1.9 Complaints Complaints regarding water service issues may be directed to the management office on-site during regular business hours or to the SMA in the event of after-hours emergencies. The SMA is available on a 24-hour basis for emergency response. The SMA investigates each complaint and maintains records describing the nature of the complaint and the steps taken to resolve it. The SMA ensures that the water system owner is aware of any issues and their resolution. Northwest Water Systems,Inc. 6 Sand Hill Engineering-Consulting-Management Water System Plan Chapter 2 Basic Planning Data 2.1 Demand Analysis 2.1.1 Population and Demographics The proposed Sand Hill Water System will be comprised of 22 full-time residences, 2 offices, 6 yard hydrants, and 24 RV spots (with camp restroom). The property will also have several mini-storage buildings, covered storage, and two "lay-down yards". The estimated breakdown of population is as follows; Table 2-1:Sand Hill Water System Population Density Area Quantity Population Per Unit Residential Population Other Population Residences 22 2.5 55 Offices 2 10 RV Spots 24 2 48 Mini Storage 30 2 60 Covered/laydown 25 2 50 Total Population Served 55 168 These estimates are extremely conservative and assume a maximum day population in the summer when recreational activities in the area are at a peak. it is likely that most of the residences will be part- time summer homes. It is assumed that mini storage, covered storage, and "laydown yard" users will have access to the RV area restroom, and are therefore added to the water system population. 2.1.2 Residential Usage As a proposed system, no meter data is available. ADD for the Residential Water Demand was calculated using Equation 5-1 in the design manual. ADD=(8000/AAR)+200 Where ADD=Average Daily Demand (gallons-per-day/ERU) AAR=Average Annual Rainfall(inches-per-year) The table on the following page provides the annual rainfall average for Belfair, WA as 56.57" per year. When this average is put into Equation 5-1 we are given a result of 341 gpd per ERU for ADD. Using Equation 5-2 in the design manual; MDD= (2)(ADD) Where MDD= Maximum Daily Demand (Gallons/day/ERU) We are given a result of 682 gpd per ERU for MDD. Northwest Water Systems, Inc. 7 Sand Hill Engineering-Consulting-Management Water System Plan Table 2-2:Average Annual Rainfall,Belfair,WA Month Avg. Avg. Mean Avg. High !ow Precip Jan 477 367 42°F 8.89 in. Feb 49°F 35°F 420F 6.22 in. Mar 54°F 38°F 467 5.95 in. Apr 59°F 417 507 3.57 in. May 657 46°F 567 2.46 in. Jun 70-F 51-F 617 1.69 in. Jul 767� 547 657 0.86 in. Aug 777 557 667 1.03 in. Sep 717 507 617 1.55 in. Oct 607 447 52T 4.89 in. Nov 51'F 397 457 9.39 in. Dec 45°F 34-F 40°F 10.07 in. The small lawn sizes (less than 100 sgft) and recreational nature of the residences makes equation 5-1 a very conservative estimation of the actual water usage.The meter data for the Cedar View Tracts Water System (#06151A), the Jesfield Tracts Community Club (#36740D), and the Spencer Glen Water System (#82963M) are included in the appendix. These systems have a similar number of residential connections with larger lots sizes in the area and have ADD's consistent with the results of Equation 5-1. It is likely that the calculated ADD of 341 gpd is high, but will be used in this report to ensure a conservative approach. --- 2.1.3 Non-residential Usage Non-residential usage has been estimated using Table 5-2 of the Water System Design Manual. Office and RV use were doubled from the Table 5-2 recommendations because it is likely that on peak days more washing of equipment will occur than in a typical system. The system serves the following four classes of usage: 1) Offices 2) Yard Hydrants 3) RV Spots 4) Mini Storage/Covered Storage/"laydown yard" users The following table provides a breakdown of total estimated system MDD; Table 2-3:MDD Estimation Category Usage Table 5-2 Quantity Total gpd MDD Offices 30 gpd/employee 10 employees 300 RV Spots 100 gpd/camper 48 campers 4,800 Storage/"laydown yard" 20 gpd/visitor 110 visitors 2,200 Yard Hydrants 5 gpm 4 hrs/day 6 each 7,200 Residential 682 gpd/(calculated) 22 residences 15,004 Total 29,504 The calculated MDD is very conservative to ensure a safe and reliable system design. Northwest Water Systems, Inc. 8 Sand Hill Engineering-Consulting-Management Water System Plan 2.1.4 ERU Analysis One ERU is defined as the equivalent usage of a single family residence occupied full time. As calculated above, the MDD for one ERU is 681 gpd. Table 2-4:ERU Analysis Category Estimated MDD Quantity ERU's ERU Equivalency Each Offices ! 300 2 0.44 0.22 RV Spots 4,800 24 7.04 0.29 Storage/"I ayd own 2,200 1 3.23 3.23 yard" Yard Hydrants 7,200 6 10.56 } 1.76 i Total 43.3 2.1.5 PHD Analysis With MDD, the peak hourly demand (PHD) may be found with this information using equation 5-3 of the Water System Design Manual. PHD= (MDD/1440)[©(N) + F]+ 18 Where PHD= Peak Hourly Demand (gallons per minute) C= Coefficient Associated with Range of ERU's N = Number of ERU's F= Factor Associated with Range of ERU's Table 2-5:Summary of Design Parameters ERU's 43.3 ADD/ERU 341 gpd MDD/ERU 682 gpdR PHD 79.4 gpm 2.1.6 Pressure Zones The system is comprised of a single pressure zone. The elevations on the property range from 23 feet to 110 feet. A hydraulic analysis at PHD is included in section 10-1 showing pressure at various points around the system. 2.1.7 Other Systems No interties exist or are planned to the Sand Hill water system within the next 20 years. No water use by other systems is therefore considered. 2.2 6 &20 year projections The Water System Plan is developed assuming full build-out within the 6-year planning period. Northwest Water Systems,Inc. 9 Sand Hill Engineering-Consulting-Management Water System Plan 2.3 Interties No interties with other systems exist or are proposed for the Sand Hill Water System. 2.4 Land Use and Zoning The entire water system is located on a single lot zoned for Services-Business. Northwest Water Systems, Inc. 10 Sand Hill Engineering-Consulting-Management Water System Plan 1.1.2 SMA Responsibilities Northwest Water Systems (NWS) has been contracted by the owner to serve as the water system's satellite management agency (SMA). In this capacity, NWS provides routine operation and maintenance services including 24-hour emergency response, coordination of repairs, development and implementation of the cross-connection control program, water quality monitoring, and oversight of other regulatory compliance topics. The SMA provides certified operations and management services meeting the requirements for Group A water systems. 1.2 History and Background The property on which the Sand Hill Water System sits was first developed in 1998 when two well sources were drilled and an eight inch water main was installed from the wells to the existing fire hydrant near Sand Hill Road. The concept was to create a large mini-storage facility and Mobile Home Park on the West End of the property with a few residences near Sand Hill Road. Water Rights were obtained in 1996 for this purpose. Due to financial constraints the project was put on hold. Ownership of the property changed and the development of this land is desired again. 1.3 Existing Facilities Groundwater is withdrawn from 2 wells located within 110 feet of each other. The wells were both drilled in 1998 and plumbed to a pumphouse built in a central location. At the same time, 800 feet of 8" water main was installed from the pumphouse to a fire hydrant located near Sand Hill Road. The 2 wells, the pumphouse, and the 8" water main will be utilized in the proposed system design located in Chapter 8. 1.4 Existing Service Area Characteristics The Sand Hill retail service area encompasses a 38.44 acre lot. A map of the Retail Service Area (RSA) is found on the following page. A detailed system map is included in Section 10-1. Zoning within the Sand Hill community is shown on maps prepared by Mason County (see maps included in Section 10-6). The area is zoned for Services—Business. 1.5 Future Service Area No increase in the system's service area is anticipated; all growth on the water system in the future is expected to be in the development of the lot within the existing service area. Northwest Water Systems, Inc. 2 Sand Hill Engineering-Consulting-Management Water System Plan RECEIVED JUN222015 426 W. CEDAR STk NWS Planning•Management•Engineering Northwest Water Systems P.O.Box 123•Port Orchard,WA 98366.888-881-0958•360-876-0958 6/17/2015 Mason County Community Development, MS-36 c/o Barbara Adkins, Director PO Box 279 Shelton, WA 98584 Re: Sand Hill Water System—Water System Plan Local Government Consistency Review Checklist Dear Ms. Adkins: The Sand Hill Water System has prepared a Water System Plan. Northwest Water Systems prepared the planning document on behalf of Northshore Storage and seeks your review and concurrence in regard to the required Local Government Consistency Review Checklist. Please find enclosed relevant portions of the Water System Plan for your review. A copy of the DOH's Local Government Consistency Review Checklist is also enclosed. If you have any questions or need any other information, please call me at 360-876-0958, extension 108,or email jester@nwwatersystems.com. Sincerely ester Purtteman, P.E. NORTHWEST WATER SYSTEMS, INC. Enclosure: Consistency Review Guidance For Use by Local Governments and Municipal Water Suppliers This checklist may be used to meet the requirements of WAC 246-290-108. When using an alternative format, it must describe all of the elements; 1a), b), c), d), and e),when they apply. For water system plans (WSP), a consistency review is required for the retail service area and any additional areas where a municipal water supplier wants to expand its water right's place of use. For small water system management programs, a consistency review is only required for areas where a municipal water supplier wants to expand its water right's place of use. If no water right place of use expansion is requested, a consistency review is not required. For engineering documents, a consistency review is required for areas where a municipal water supplier wants to expand its water right's place of use (water system plan amendment is required). For non- community water systems, a consistency review is required when requesting a place of use expansion. All engineering documents must be submitted with a service area map per WAC 246-290-110(4)(b)(ii). A) Documenting Consistency: Municipal water suppliers must document all of the elements in a consistency review per WAC 246-290-108. 1 a) Provide a copy of the adopted land use/zoning map corresponding to the service area. The uses provided in the WSP should be consistent with the adopted land use/zoning map. Include any other portions of comprehensive plans or development regulations that are related to water supply planning. 1 b) Include a copy of the six-year growth projections that corresponds to the service area. If the local population growth rate projections are not used, provide a detailed explanation on why the chosen projections more accurately describe the expected growth rate. Explain how it is consistent with the adopted land use. 1c) Include water service area policies and show that they are consistent with the utility service extension ordinances within the city or town boundaries. This applies to cities and towns only. id) Include all service area policies for how new water service will be provided to new customers. 1 e) Other relevant elements related to water supply planning as determined by the department (DOH). See Local Government Consistency—Other Relevant Elements, Policy B.07, September 2009. B) Documenting an Inconsistency: Please document the inconsistency, include the citation from the comprehensive plan or development regulation, and provide direction on how this inconsistency can be resolved. C) Documenting Lack of Consistency Review by Local Government: Where the local government with jurisdiction did not provide a consistency review, document efforts made and the amount of time provided to the local government for their review. Please include: name of contact, date, and efforts made (letters, phone calls, and e-mails). In order to self-certify, please contact the DOH Planner. Chapter 1 System Description 1.1 Ownership and Management The entire Sand Hill Water System is located on a single property owned by Northshore Storage. The owner wishes to develop an area where people who enjoy the nearby forests, lakes, and Hood Canal can store their recreational equipment and stay on site while using them. The property will have 22 residences (rentals), a mini-storage facility, two offices, covered storage, "laydown yards", and a 24 lot RV park with a community shower. Ownership of the entire property and all proposed connections will be retained by Northshore Storage. The property is located near Hood Canal, Tahuya State Forest, and the town of Belfair in The SE1/4 of the SE1/4 of Section 30 of Township 23 North, Range 1 West, W.M. Specific data about the system can be found in the Water Facilities Inventory included in Section 10-5. Pertinent information about the water system is summarized below: Water System Name: Sand Hill Water System Type: Group A Community Water System WSDOH ID Number: Pending Location: Mason County, Washington Source: Groundwater Type of Ownership: Corporation (Northshore Storage) Owner Address: 211 NE Sand Hill Road, Belfair, WA 98528 Owner Phone: 206-391-7502 Owner Contact: Laure Iddings Proposed Service Connections: 54 Estimated Population Served: 223 Type of Management: Satellite Management Agency(SMA) Name of SMA: Northwest Water Systems SMA Contact: Kelly Alsin, WDM3 SMA Address: PO Box 123 Port Orchard WA 98366 SMA Phone: (360) 876-0958 1.1.1 Owner Responsibilities Northshore Storage LLC (owner) controls the affairs and business of the corporation and exercises ownership authority and control over the entire property and assets on which the water system sets. The owner shall take responsibility for the construction of the Sand Hill water system and administer routine financial responsibilities and implement planning and capital improvements. To fulfill the responsibility of operating and maintaining the water system, Northshore Storage will contract with a Satellite Management Agency. Northwest Water Systems, Inc. 1 Sand Hill Engineering-Consulting-Management Water System Plan . � NEANCHO _NEgNCHOR-WAY- - � - D R l+�NE MAPLE WOOD.CT '� + 1 • t 1 i .4. 6 j Figure 2:Sand Hill Water System Service Area Boundaries Bold line denotes the existing/retail/future service area. No expansion of the service area is planned. Retail and future service area boundaries are coincident. Adjacent areas are zoned rural-20. Area is not part of any UGA. Northwest Water Systems, Inc. 4 Sand Hill Engineering-Consulting-Management Water System Plan 1.7 Service Area Policies The Sand Hill water system, in its commitment to provide dependable water service in accordance with all applicable regulatory rules and regulations will observe the following general policies. 1.7.1 Annexation Annexation will not serve as a condition for providing service. 1.7.2 Direct Connection and Satellite/Remote Systems Future direct connections to the Sand Hill water system will occur as a result of infill within the retail service area. Satellite systems are noncontiguous or separate water systems that use separate facilities and infrastructure and may be served by a different source. Sand Hill does not operate nor has responsibilities associated with any satellite water systems. 1.7.3 Design and Performance Standards All design and construction shall be completed under the direction of the Owner. Standards and details for pipe installation and service connection details are included in Section 7. 1.7.4 Outside Customers and Improvement Districts The system will not serve any outside customers or districts. 1.7.5 Urban Growth Area The system is not located within an urban growth area. 1.7.6 Late-Comer Agreements Late-comer agreements do not apply to the system. 1.7.7 Oversizing The existing distribution system is capable of serving the entire existing service area. 1.7.8 Cross-Connection Control Program(CCCP) Sand Hill Water System has prepared a cross-connection control policy statement and developed a cross-connection control program and backflow incident response plan. In accordance with these documents, the installation or maintenance of a cross connection is prohibited. Cross connections that cannot be eliminated shall require the installation of an approved backflow protection device and shall be annually inspected and tested in accordance with the Sand Hill Water System cross-connection control program. 1.7.9 Extension No extensions are anticipated nor proposed. Northwest Water Systems,Inc. 5 Sand Hill Engineering-Consulting-Management Water System Plan 1.8 Conditions of Service The Sand Hill water system has a duty to serve all connections located within its Retail Service Area, so long as the following four threshold factors are met, as described in Washington Administrative Code (WAC) 246-290-106: 1. Sand Hill has sufficient capacity to provide water in a safe and reliable manner. The Sand Hill Water System is submitting this Water System Plan to gain approval for all proposed connections to the system. 2. The service request is consistent with state and local regulations. The provision of service within the Retail Service Area is considered to be consistent with the Mason County Comprehensive Land Use Plan. 3. Sand Hill has sufficient water rights to provide service. The Water Rights Self-Assessment forms included in the Water System Plan (see Section 10-8) show that the system has sufficient water rights to meet the water right criteria through build- out. 4. Sand Hill can provide service in a timely and reasonable manner. The entire water system and all connections will be owned by a single entity and on a single property. The owner of the water system will be the only one requesting services. 5. The process for adding connections shall involve the system owner reviewing the WFI to ensure there are connections available and the WSP for consistency with the system design. When both steps are satisfied, a Determination of Adequacy will be sent to the Mason County Planning Department. 1.9 Complaints Complaints regarding water service issues may be directed to the management office on-site during regular business hours or to the SMA in the event of after-hours emergencies. The SMA is available on a 24-hour basis for emergency response. The SMA investigates each complaint and maintains records describing the nature of the complaint and the steps taken to resolve it. The SMA ensures that the water system owner is aware of any issues and their resolution. Northwest Water Systems,Inc. 6 Sand Hill Engineering-Consulting-Management Water System Plan Chapter 2 Basic Planning Data 2.1 Demand Analysis 2.1.1 Population and Demographics The proposed Sand Hill Water System will be comprised of 22 full-time residences, 2 offices, 6 yard hydrants, and 24 RV spots (with camp restroom). The property will also have several mini-storage buildings, covered storage, and two "lay-down yards". The estimated breakdown of population is as follows; Table 2-1:Sand Hill Water System Population Density Area Quantity Population Per Unit Residential Population Other Population Residences 22 2.5 55 Offices 2 5 10 RV Spots 24 2 48 Mini Storage 30 2 60 Covered/laydown 25 2 50 Total Population Served 55 168 These estimates are extremely conservative and assume a maximum day population in the summer when recreational activities in the area are at a peak. It is likely that most of the residences will be part- time summer homes. It is assumed that mini storage, covered storage, and "laydown yard" users will have access to the RV area restroom, and are therefore added to the water system population. 2.1.2 Residential Usage As a proposed system, no meter data is available.ADD for the Residential Water Demand was calculated using Equation 5-1 in the design manual. ADD=(8000/AAR)+200 Where ADD=Average Daily Demand(gallons-per-day/ERU) AAR=Average Annual Rainfall (inches-per-year) The table on the following page provides the annual rainfall average for Belfair, WA as 56.57" per year. When this average is put into Equation 5-1 we are given a result of 341 gpd per ERU for ADD. Using Equation 5-2 in the design manual; MDD =(2)(ADD) Where MDD= Maximum Daily Demand (Gallons/day/ERU) We are given a result of 682 gpd per ERU for MDD. Northwest Water Systems, Inc. 7 Sand Hill Engineering-Consulting-Management Water System Plan Table 2-2:Average Annual Rainfall,Belf air,WA Avg. Avg. Mean Avg. Month High Low Precip Jan 47°F 36°F 42°F 8.89 in. Feb 497 35°F 42°F 6.22 in. Mar 54°F 38°F 46°F 5.95 in. Air 59°F 417 50°F 3.57 in. Mav 657 467 56°F 2.46 in. Jun 70°F 51°F 61°F 1.69 in. Jul 76°F 54°F 65'F 0.86 in. Aug 777E 55°F 66°F 1.03 in. Sep 71°F 507 617E 1.55 in. Oct 607E 447E 52°F 4.89 in. Nov 517E 39°F 45'F 9.39 in. Dec 457E j 34°F j 40°F 10.07 in. The small lawn sizes (less than 100 sgft) and recreational nature of the residences makes equation 5-1 a very conservative estimation of the actual water usage.The meter data for the Cedar View Tracts Water System (#06151A), the Jesfield Tracts Community Club (#36740D), and the Spencer Glen Water System (#82963M) are included in the appendix. These systems have a similar number of residential connections with larger lots sizes in the area and have ADD's consistent with the results of Equation 5-1. It is likely that the calculated ADD of 341 gpd is high, but will be used in this report to ensure a conservative approach. 2.1.3 Non-residential Usage Non-residential usage has been estimated using Table 5-2 of the Water System Design Manual. Office and RV use were doubled from the Table 5-2 recommendations because it is likely that on peak days more washing of equipment will occur than in a typical system. The system serves the following four classes of usage: 1) Offices 2) Yard Hydrants 3) RV Spots 4) Mini Storage/Covered Storage/"laydown yard" users The following table provides a breakdown of total estimated system MDD; Table 2-3:MDD Estimation Category Usage Table 5-2 Quantity Total gpd MDD Offices 30 gpd/employee 10 employees 300 RV Spots 100 gpd/camper 48 campers 41800 Storage/"layd own yard" 20 gpd/visitor 110 visitors 2,200 Yard Hydrants 5 gpm 4 hrs/day 6 each 7,200 Residential 682 gpd/(calculated) 22 residences 15,004 Total 29,504 The calculated MDD is very conservative to ensure a safe and reliable system design. Northwest Water Systems, Inc. 8 Sand Hill Engineering-Consulting-Management Water System Plan 2.1.4 ERU Analysis One ERU is defined as the equivalent usage of a single family residence occupied full time. As calculated above,the MDD for one ERU is 681 gpd. Table 2-4:ERU Analysis Category Estimated MDD Quantity ERU's ERU Equivalency Each Offices 300 2 0.44 0.22 RV Spots 4,800 24 7.04 0.29 Storage/"layd own 2,200 1 3.23 3.23 yard" Yard Hydrants 7,200 6 10.56 1.76 Total 43.3 2.1.5 PHD Analysis With MDD, the peak hourly demand (PHD) may be found with this information using equation 5-3 of the Water System Design Manual. PHD= (MDD/1440)[©(N) + F] + 18 Where PHD= Peak Hourly Demand (gallons per minute) C=Coefficient Associated with Range of ERU's N = Number of ERU's F= Factor Associated with Range of ERU's Table 2-5:Summary of Design Parameters ERU's 43.3 ADD/ERU 341 gpd MDD/ERU 682 gpd PHD 79.4 gpm 2.1.6 Pressure Zones The system is comprised of a single pressure zone. The elevations on the property range from 23 feet to 110 feet. A hydraulic analysis at PHD is included in section 10-1 showing pressure at various points around the system. 2.1.7 Other Systems No interties exist or are planned to the Sand Hill water system within the next 20 years. No water use by other systems is therefore considered. 2.2 6 &20 year projections The Water System Plan is developed assuming full build-out within the 6-year planning period. Northwest Water Systems, Inc. 9 Sand Hill Engineering-Consulting-Management Water System Plan 2.3 Interties No interties with other systems exist or are proposed for the Sand Hill Water System. 2.4 Land Use and Zoning The entire water system is located on a single lot zoned for Services-Business. Northwest Water Systems, Inc. 10 Sand Hill Engineering-Consulting-Management Water System Plan Page 1 of 1 Barbara Adkins - Fwd: Sand Hill Water System From: Barbara Adkins To: jester@nwwatersystems.com Date: 3/16/2015 10:17 AM Subject: Fwd: Sand Hill Water System It has been 30 days since I sent the email below. Will you be pursing this permit, or should we cancel? Thank you, Barbara Barbara A.Adkins,AICP, Director Department of Community Development 426 West Cedar Street Shelton,WA 98584 360/427-9670 ext. 286 Email: BarbarA@co.mason.wa.us >>> Barbara Adkins 2/13/2015 12:23 PM >>> First off, let me extend my sincere apologies that it has taken me so long to address the materials you submitted to our office in November. Before I can complete my review, however, I have some items to be addressed. 1) The review fee is $135, of which $130 has been received. If you need a formal invoice for the remaining balance please let me know. If not, then I'll assume that this email will suffice. 2) The letter from Mr. Bernier states that portions of the Plan our included together with the Checklist for my, review. Unfortunately, none of the sections referenced in the checklist were included for me to review. I will need all the information necessary to complete this review before I can proceed. Thank you for your assistance, and let me know if you have any questions. Barbara Barbara A.Adkins,AICP, Director Department of Community Development 426 West Cedar Street Shelton,WA 98584 360/427-9670 ext. 286 Email: BarbarA@co.mason.wa.us Page 1 of 1 Barbara Adkins - Sand Hill Water System From: Barbara Adkins To: jester@nwwatersystems.com Date: 2/13/2015 12:23 PM Subject: Sand Hill Water System First off, let me extend my sincere apologies that it has taken me so long to address the materials you submitted to our office in November. Before I can complete my review, however, I have some items to be addressed. 1) The review fee is $135, of which $130 has been received. If you need a formal invoice for the remaining balance please let me know. If not, then I'll assume that this email will suffice. 2) The letter from Mr. Bernier states that portions of the Plan our included together with the Checklist for my review. Unfortunately, none of the sections referenced in the checklist were included for me to review. I will need all the information necessary to complete this review before I can proceed. Thank you for your assistance, and let me know if you have any questions. Barbara Barbara A.Adkins,AICP, Director Department of Community Development 426 West Cedar Street Shelton,WA 98584 360/427-9670 ext. 286 Email: BarbarA@co.mason.wa.us /� _ � � ��� ,. �'� . , �� ��� �� �� � � �� � � ���� �� ...� � � t ���� ��, �� �� � �i�� �� ������ \� • Planning•Management Engineering P.O.Box 123•Port Orchard,WA 98366•888-881-0958•360-876-0958 11/20/14 Mason County Community Development, MS-36 c/o Barbara Adkins, Director PO Box 279 Shelton, WA 98584 Re: Sand Hill Water System—Water System Plan Local Government Consistency Review Checklist Dear Ms. Adkins: The Sand Hill Water System has prepared a Water System Plan. Northwest Water Systems prepared the planning document on behalf of Northshore Storage and seeks your review and concurrence in regard to the required Local Government Consistency Review Checklist. Please find enclosed relevant portions of the Water System Plan for your review. A copy of the DOH's Local Government Consistency Review Checklist is also enclosed. If you have any questions or need any other information, please call me at 360-876-0958, extension 108, or email jester@nwwatersystems.com. Sincerely William Bernier NORTHWEST WATER SYSTEMS, INC. enclosure Local Government Consistency Review Checklist Water System Name: Sand Hill Water System PWS ID: Pending Planning/Engineering Document Title: Water System Plan Plan Date: November 2014 Local Government with Jurisdiction: Mason County WAC 246-290-108 Consistency with local plans and regulations: Consistency with local plans and regulations applies to planning and engineering documents under WAC 246-290- 106, 246-290-107,and 246-290-110(4)(b)(ii). 1) Municipal water suppliers must include a consistency review and supporting documentation in its planning or engineering document describing how it has addressed consistency with local plans and regulations. This review must include specific elements of local plans and regulations. This review must include specific elements of local plans and regulations, as they reasonable relate to water service as determined by Department of Health(DOH). Complete the table below and see instructions on back. Local Government Consistency Statement Page(s)in Yes—No—Not Planning Applicable Document a)The water system service area is consistent with the adopted land use and Section 1.5,1.6,maps in Section zoning within the applicable service area. 10.7 b)The six-year growth projection used to forecast water demand is consistent with the adopted city/county's population growth projections. If a different Section 2.3 growth project is used, provide an explanation of the alternative growth projection and methodology. c)Applies to cities and towns that provide water service: All water service area policies of the city or town are consistent with the utility service Not applicable extension ordinances of the city or town. d)Service area policies for new service connections are consistent with the adopted local plans and adopted development regulations of all jurisdictions Sections 1.8,1.9 with authority over the service area(City(ies),County(ies)]. e)Other relevant elements related to water supply are addressed in the water system plan, if applicable: Coordinated Water System plans, Regional Section 1.4 Wastewater plans, Reclaimed Water plans,Groundwater Area Management plans, and Capital Facilities Element of Comprehensive plans. I certify that the above statements are true to the best of my knowledge and that these specific elements are consistent with adopted local plans and development regulations. Signature Date Printed Name,Title and Jurisdiction 2.1.4 ERU Analysis One ERU is defined as the equivalent usage of a single family residence occupied full time. As calculated above,the MDD for one ERU is 681 gpd. Category Estimated MDD Quantity ERU's ERU Equivalency Each Offices 300 2 0.44 0.22 RV Spots 4,800 24 7.04 0.29 Storage/"laydown 2,200 1 3.23 3.23 yard" Yard Hydrants 7,200 6 10.56 1.76 Total 43.3 Table 3:ERU Analysis 2.1.5 PHD Analysis With MDD, the peak hourly demand (PHD) may be found with this information using equation 5-3 of the Water System Design Manual. PHD= (MDD/1440)[(C)(N)+ F) + 18 Where PHD= Peak Hourly Demand (gallons per minute) C= Coefficient Associated with Range of ERU's N = Number of ERU's F= Factor Associated with Range of ERU's ERU's 43.3 ADD/ERU 341 gpd MDD/ERU 682 gpd PHD 79.4 gpm Table 4:Summary of Systems Design Parameters 2.1.6 Pressure Zones The system is comprised of a single pressure zone. The elevations on the property range from 23 feet to 110 feet. Hydraulic analyses at PHD are included in section 10-1 showing pressure at various points around the system. 2.1.7 Other Systems No interties exist or are planned to the Sand Hill water system within the next 20 years. No water use by other systems is therefore considered. 2.2 6 &20 year projections The Water System Plan is developed assuming full build-out within the 6-year planning period. Northwest Water Systems, Inc. 9 Sand Hill Engineering-Consulting-Management Water System Plan Consistency Review Guidance For Use by Local Governments and Municipal Water Suppliers This checklist may be used to meet the requirements of WAC 246-290-108. When using an alternative format, it must describe all of the elements; 1a), b), c), d), and e),when they apply. For water system plans(WSP), a consistency review is required for the retail service area and any additional areas where a municipal water supplier wants to expand its water right's place of use. For small water system management programs, a consistency review is only required for areas where a municipal water supplier wants to expand its water right's place of use. If no water right place of use expansion is requested, a consistency review is not required. For engineering documents, a consistency review is required for areas where a municipal water supplier wants to expand its water right's place of use (water system plan amendment is required). For non- community water systems, a consistency review is required when requesting a place of use expansion. All engineering documents must be submitted with a service area map per WAC 246-290-110(4)(b)(ii). A) Documenting Consistency: Municipal water suppliers must document all of the elements in a consistency review per WAC 246-290-108. 1 a) Provide a copy of the adopted land use/zoning map corresponding to the service area. The uses provided in the WSP should be consistent with the adopted land use/zoning map. Include any other portions of comprehensive plans or development regulations that are related to water supply planning. 1 b) Include a copy of the six-year growth projections that corresponds to the service area. If the local population growth rate projections are not used, provide a detailed explanation on why the chosen projections more accurately describe the expected growth rate. Explain how it is consistent with the adopted land use. 1c) Include water service area policies and show that they are consistent with the utility service extension ordinances within the city or town boundaries. This applies to cities and towns only. 1 d) Include all service area policies for how new water service will be provided to new customers. le) Other relevant elements related to water supply planning as determined by the department (DOH). See Local Government Consistency—Other Relevant Elements, Policy B.07, September 2009. B) Documenting an Inconsistency: Please document the inconsistency, include the citation from the comprehensive plan or development regulation, and provide direction on how this inconsistency can be resolved. C) Documenting Lack of Consistency Review by Local Government: Where the local government with jurisdiction did not provide a consistency review, document efforts made and the amount of time provided to the local government for their review. Please include: name of contact, date, and efforts made(letters, phone calls, and e-mails). In order to self-certify, please contact the DOH Planner. 26'DIAMETER,35'TALL CONCRETE HOLDING TANK HOLDING TANK FILL LINE CONTROLLED BY A MECHANICAL FLOAT VALVE AND 10 GPM FLOW RESTRICTOR DIVERTED ELEV 110' FROM POTABLE WATER SYSTEM. • EXISTING FIRE LAYDOWN YARD HYDRANT WNARD HYDRANT L - - _ J ELEV.40' INDE ENDENT FIREFLOW TRANSMISSION LINE FEEDING FIRE HYDRANTS.8"TRANSMISSION LINE EXCE DT WHERE LOOPED WHEN 6" LINE IS ALLOWED. ELEV.57' 0 J (A J_ ELEV.45' Z SAND HILL MINI STORAGE 0 J W/3 YARD HYDRANTS Z F ELEV.39' w 14 RESIDENTIAL UNITS 0 w x n COVERED STORAGE NO WATER J� ELEV.55' �� EXISTING 8" EVERY CONNECTION TO SYSTEM MUST BE WATER LINE METERED UNLESS OTHERWISE NOTED. w U LL ILL O I OFFICE LAYDOWN YARD W/2 YARD HYDRANTS ELEV.40' ELEV.34' / \ \ TPN:12330-44-00000 211 NE SANDHILL RD. /ELEV.45' POTABLE WATER SERVICE PROVIDED 38.44 ACRES SITE INFORMATION PROVIDED BY:DIRECTLY FROM WELL SOURCES WITH THE CLIENT AND BY SITE INSPECTION 2"PVC DISTRIBUTION SYSTEM. Ir SERVICE CONNECTION STRUCTURES 0- BLOW-OFF ELEVV..30' POTABLE WATER PU E ISOLATION VALVE \ WELL#1 FIRE FLOW (AEA966) r� \ ELEV.23' DRIVEWAY u WELL#2 (AEA967) CAMP ELEV.28' RESTROOM CAMP SHOWERS MANAGER RESIDENCE WETLAND AREA ELEV.35 ELEV.47 SYSTEM OWNER DRAWNBY SAND HIL WATER EARL IDDINGS CHECKED BY. FIDE NO.130707 FILE NAME SITE SHEET NO, 24 RV SPOTS SERVED BY � REVISION INDEPENDENT(METERED)WATER LINE. DESCRIPTION DATE DATE SEPTEMB R 8, 2014 SCALE 1" = 100, YARD HYDRANT FOR EACH SPOT. NORT WEST WATER SYSTEMS, INC. DESIGN-CONSULTING-MANAGEMENT a O P.O.BOX 123 PORT ORCHARD,WA 98366 (360)876-0958 Local Government Consistency Review Checklist Water System Name: Sand Hill Water System PWS ID: Pending Planning/Engineering Document Title: Water System Plan Plan Date: November 2014 Local Government with Jurisdiction: Mason County WAC 246-290-108 Consistency with local plans and regulations: Consistency with local plans and regulations applies to planning and engineering documents under WAC 246-290- 106, 246-290-107,and 246-290-110(4)(b)(ii). 1) Municipal water suppliers must include a consistency review and supporting documentation in its planning or engineering document describing how it has addressed consistency with local plans and regulations. This review must include specific elements of local plans and regulations. This review must include specific elements of local plans and regulations,as they reasonable relate to water service as determined by Department of Health(DOH). Complete the table below and see instructions on back. Local Government Consistency Statement Page(s)in Yes—No—Not Planning Applicable Document a)The water system service area is consistent with the adopted land use and Section 1.5,1.6, zoning within the applicable service area. maps in Section 1.7 b)The six-year growth projection used to forecast water demand is consistent with the adopted city/county's population growth projections. If a different Section 2 growth project is used, provide an explanation of the alternative growth projection and methodology. c)Applies to cities and towns that provide water service: All water service area policies of the city or town are consistent with the utility service Not applicable extension ordinances of the city or town. d)Service area policies for new service connections are consistent with the adopted local plans and adopted development regulations of all jurisdictions Sections 1.8,1.9 with authority over the service area(City(ies),County(ies)]. e)Other relevant elements related to water supply are addressed in the water system plan, if applicable: Coordinated Water System plans, Regional Section 1.4 Wastewater plans, Reclaimed Water plans,Groundwater Area Management plans,and Capital Facilities Element of Comprehensive plans. I certify that the above statements are true to the best of my knowledge and that these specific elements are consistent with adopted local plans and development regulations. Signature Date Printed Name,Title and Jurisdiction 2. Technological advances make it possible to work for companies located in the more ` metropolitan areas along the Puget Sound corridor, while still living in rural areas. Since Mason County is in relative proximity to Olympia, Bremerton, Tacoma, and Seattle, it is a desirable location for those looking to live in a rural area while telecommuting to work in metropolitan areas. 3. Given that Mason County is a popular destination for retirees;the County is expected to experience a higher rate of population growth as baby-boomers continue to retire, and a higher conversion rate of seasonal residence to year round occupancy. Mason County is projected to have 28%of its total population to be 65 and older by 2035. TABLE IV.2-3. COUNTYWIDE GROWTH/ANNUAL GROWTH RATE PERCENTAGE 2010-2014 Population Growth Rate Percentage 2010 2011 2012 2013 2014 10-11 11-12 12-13 13-14 Unincorporated 44,173 44,551 44,857 45,070 45,250 o.85% 0.57% o.62% -0.15% Allyn UGA 1971 1,977 1,988 2,000 1,998 0.28% 0.41% 0.26% 0.45% Belfair UGA 992 992 996 999 1,003 0.02% 0.21% o.89% 0.13% Shelton UGA 13,563 13,58o 13,6o8 13,731 13,749 0.13% o.68% 0.47% 0.40% Source: Washington State Office of Financial Management, 20i4 TABLE IV.2-3 illustrates the annual growth rate percentage of the County's growth that is in the rural areas versus other areas of the County. The rate of growth in the rural areas has declined since 2010 while the urban growth areas have shown an increasing amount as would be expected. COMPONENTS OF CHANGES:NET MIGRATION AND NATURAL INCREASE The main components of population change are births and deaths, or"natural increase", and "net migration". "Natural increase" is defined as the difference between live births and deaths. "Net migration" is defined as the difference between the number of people moving into an area and the number of people moving out. TABLE IV.2-5 illustrates the fluctuating influence that net migration and natural increase have on both the State's and County's populations. Over the past two decades, both of these components have decreased. Between 2000 and 2010 the net migration decreased from 26.8%to 22.1%meaning the number of people moving into Mason County is slowly declining. During the 5o's, all of the growth that occurred in Mason County was due to natural increase. The overall percentages for the State are still greater with a reduction of almost half the number of people moving to Washington from 2000 to 2010. The County's natural increase was also substantially reduced in the decades between 19go and 2010, going from 2.0%to less than i%. The State figures have also decreased, however not to the same degree. Chapter IV.doc 7 June 17, 2015 ,r _ lP - -_ q . h6 eh' E�q 46 Lyn-ch Cave Figure 1:Sand Hill Water System vicinity map. Northwest Water Systems, Inc. 3 Sand Hill Engineering-Consulting-Management Water System Plan Planning•Management•Engineering P.O. Box 123•Port Orchard, WA 98366•888-881-0958.360-876-0958 6/17/2015 Mason County Community Development, MS-36 c/o Barbara Adkins, Director PO Box 279 Shelton, WA 98584 Re: Sand Hill Water System—Water System Plan Local Government Consistency Review Checklist Dear Ms. Adkins: The Sand Hill Water System has prepared a Water System Plan. Northwest Water Systems prepared the planning document on behalf of Northshore Storage and seeks your review and concurrence in regard to the required Local Government Consistency Review Checklist. find enclosed relevant portions of the Water System Plan for your review. A copy of the DOH's Local Government Consistency Review Checklist is also enclosed. If you have any questions or need any other information, please call me at 360-876-0958, extension 108, or email jester@nwwatersystems.com. Sincerely jester Purtteman, P.E. NORTHWEST WATER SYSTEMS, INC. Enclosure: