HomeMy WebLinkAboutSWG2026-00227-APPLICATION/DESIGN - SWG Application / Design - 8/19/2026 MASON COUNTY 415"67HELTON , 0427-970 EXT 400
SH STREE.360-42TON, n,9 400
BELFAIR'.360-275-4467.EXT 400
Public Health & Human Services ELMA:360-482-5269,EXT 400
i_IFAX-.360-427-7787
On-Site Sewage System Permit: SWG2026-00227
APPLICANT LOWTHIAN KAREN &JOSHUA Phone:
Address: 3145 NE 8TH AVE PORTLAND, OR 97212
OWNER LOWTHIAN KAREN &JOSHUA Phone:
Address: 3145 NE 8TH AVE PORTLAND, OR 97212
SEPTIC DESIGNER PAULA JOHNSON* Phone: 360-898-2255
Address: 171 E VUECREST DRIVE UNION, WA 98592
Site Address: 180 E Peregrine Ln
Primary Parcel Number: 322327590141
Permit Description: NEW SFR -4BR Pressure
Permit Submitted Date: 07/22/2026
Permit Issued Date: 08/19/2026
Issued By: Jeff Wilmoth
Current Permit Fees Paid $570.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 05/1312029 (based on date of inspection)
Permit Conditions:
1 Approval of this septic permit does not approve the building location. Building location is
subject to approval from all applicable departments and regulations.
2 Proposed development subject to zoning requirements and approval by the planning
department staff per Mason County Title 17.
3 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
4 Drain field installation not to exceed designed upsiope and downslope depth specified on
design form.
5 Installer is responsible for obtaining Mason County installation approval prior to backfill of
system components.
6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to
backfill of system components.
7 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submitted for
final installation approval.
8 Future development will require a geological assessment of the site.
THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OSS.
PROPERTY OWNERS ARE RESPONSIBLE FOR DETERMINING AND MARKING ALL PROPERTY LINE AND EASEMENT LOCATIONS.
THIS PERMIT MAY BE REVOKED IF THE SITE CONDITIONS HAVE CHANGED SINCE THE SITE WAS INSPECTED AND DESIGN APPROVED.
FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES.
For Final Inspection visit: masoncountywa.gov/health/environmental/onsite/oss-inspection-request.php or call:
360-427-9670, extension 400.
.,FF C;iL USE ON_Y
MASON COUNTY E �°L' CrIJ
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ON-SITE SEWAGE SYSTEM APPLICATION 3 'z
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Karen & Joshua Lowthian - klowthian@windermere.com (503) 740-9408 z
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3145 NE 8th Ave Portland; OR 97212 p
SEAD3REGS-STREET 5.1 ,-CCJ_ CO -
180 E Peregrine Ln J Union, WA 98592 w
^AffOWGSeptIC Designs, Inc N (360) 898-2255
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Fassio Excavating !. (360) 490-5519
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From Shelton take BrockdaleRd/ McReavy Rd to Union. After you come down the hill and I
pass the gas station at McReavy Rd & Dalby Rd, turn sharp up the first road on the (L) onto r
E Union Heights Dr, then take the 1st (R) onto E Peregrine Ln, follow around two sharp
turns all the way to the end. Lot is on (R) with yellow sign "Lowthian" a
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SRF MUST BE FLAGGED FROM MAIN ROAD AND TEST HO!£5 M HS T BE FAGGED WITH TEST ROLE NVMBERS.
OFFICIAL USE ONLY BELOWTHS LIRE
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❑VOLUNTARY ❑ AIN ENANGBP.:MPSG CEU'_JNG PERMIT 0 HOME SAE ❑CO P A\T ❑OTHERI
350.,_Gi 'MEN S ND.IO'$SOIL COOPS.
VERY I �
6=CRAVflLY 5-SAND =LC AM 8: S.? C- E E- R=WOGS CUED FOP DNA
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-13 z4 13- 2 °1,frIS MAY BE SCANNED AND AVAILABLE FOR PUBLIC NEW ON THE MASON COUNTY WEBSITE Rev:sed'4/14/2025
DESIGN FORM—PAGE ONE .Assessors Parcel Aumber 3 2 2 3 2 - 7 5 - 9 0 1 4
A design win be reviewed when 3 copies of each of the foI ou in c submitted
Completed design form that has been signed and dated. 'Scaled layout sketch.n lading all applicable LCITIS on ch.eckiisl.
v Scaled plot pan, including all app ieable items on checklist. I Cross-section sketch. including all applicable ite ns on checklist.
This form may be scanned and available for public view on the Mason County Web site 11 xi ii i t
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FARCEL'LDENTIFICARTON
Desi { s Name: Arrow Septic Dew Inc
permit Number: SVAle ash C \ Des nisPhone Number: (360)898-2256
Karen 8 Joshua Lowlhan 171 E Vuecrest Dr
3145NE8thAveDssiene 4ddrss: _— - - Union, WA 98592
Portland, OR 97212 Cis} State Zip .—
Ciity State Zip Des.gner mail paulal@hctc.com
DESIGN PARAMETERS
Treatment Dee ice
a ) c ❑ 2 ec : to I _. ❑ AFT LJ Oilte-
i]p ,iii ❑9t ,.111t� ❑bi o.r.. ❑]andL _ — —sits ,r.. i
Treatment Level t -S all dtatam�) A C6 CC — All C 61.2 C Bld fl 1 []V'
Drainheld Tcpe
❑ G:aoiry R Pressure
ircrch ❑ Bed C Sub Surface Drip
Septic TanlclDrainfield Specifications Laterals
]umber of Bedmonvs
q Scheduh;rC'ass 40
Daily Flow. Ope:air.e Copadry 480 gpd length
35 tt
Dail} Flow: Design Flow
360 gpd Diameter 125 m
, Number 6
Septic Tank Capacity(workin 1200
g} gal
Receiving Soil Type(1 fi
3 Separation 9 ft
Receiving Soil Appl.Rate 0.8 gpd, t Orifices
Required Primary Area
600 [t Total Aamber of Orifices 42
Designed Primary Area
630 ftr Diameter 3/16 in
Designed Reserve Area
630 fd Spacing 60 in
Trench/Bed Width 3 R Manifold
Trench!Bee Length 210 ft SeheduleCeu 40
Elevation Measurements
Lenetn header
Original Or ir.':.eld Area Slope
18 Diameter 1.25 in
New Slope Ii A!t ied 18 Y3 Preferred moat ld c onf?araton used? Cd 1'es C No
Deem of Excavation lope 14 _n Tra nsport Pipe
f bon Orllica!Grade g i❑ < n :uleiCias 40
24+ in L th 110 ft
Designed Vertical Separation _
(ravel— based Draoteld Rcq iim ❑ Yes No
Diameter 2 in
Pump Required? Yes ❑ No Dosing and Pump Chamber
Pump/Siphon Specifications Numb Numbcr ofd 4
PPermos 120 eni
Dili-jr,Elevation Beoveen pump& L t O 'an-'
2 g Chamber Capacity (flood] 1,200 cal
Do afield Squirt Height'Selected Residual (head) Pump ntrol Please check slob. required.
U apac5 ' Online O Higher Cif Lower than Pump Shutoff
p qui
Capacity �a Total Pressure Head 24.78 art Timer ❑ fi&p.a Vta?er ❑Jcevam Counter
2 min punt off 6hr
Calculated 1.1.1 Pressure Head 422 tt II Time, Pump on f
Comments
AUG 19 20%E
_ . _ - Revised: 4114'2025
DESIGN FORM—PAGE TWO Assessor's Parcel Surber: 3 2 2 3 2 -- 7 5 -- 9 0 1 4 1
Permit Nunn.:ber: SP'WG
DESIGN CHECKLISTS
7t �
t Plan Scaled Lacout Sketch Cross-Section Sketch
e locations 9 Draindeld orientation and layout Reference depth from original grade_
s l� Trench/bed dimensions and septic tank
critical distances with'n layout [d D annleld cover
fines
and proposed wells6d D Bot A ^ice boa petiti -.ons Rafcr dpth from original gradee00 ftofproocrty 69 Septic tam..pump chan.ber and resmchec strata.
ements to cuts.banks,and locations Gd Laterals, trench/bed,top and
surface water and critical areas fi71 Observation port location bottom
❑ Cunain drain collector
❑ Location and orientation of l9 Clean-out location ❑ Sand augmentation
curtain drain and all absorption pl Manifold placement
componer.s EZ Orifice placement Other cross-section detail.
� Location and dimension of g I ateral placement with distance
C11 Observation ports/clew -outs
primary system and reserve area to edge of bed Other Information
9d Buildings Audible/Visual warm referenced Yes No
6r7 Direction of slope indicator rl
Scale of draw+ng shown on scale d ❑ Design staked out
Waterlines bar ❑ 11 Recorded Notices attached
Roads, easements. driveways, ley o flhr In e
O 6lA'atv'ei(s)attached
parkt� ❑ Pimp curve attached
North v do s os Sfdln of o ❑ Ec luanon of failure
North arrow and scale drawing AUG 9 1'l�n
,hown on scale bar Non-residential justification
- • ❑ fif Waste strength
❑ d elow
D .: VAL
P'
The undersigned designer must be notified by We two i talLaiion C✓l Yes O No
11
Signibur', JliESi6NEa Date
1 .�]SSS NicNQSN
The undersigned has reviewed this d sign on behalf of Mason Count Public Health and determined it to be in
eomplianee with state and local o -si 'reR ilations:
Env mi a al Hcaldh Specialist Date
CAUTION: DESIGN APPR VAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped 'Approved"by Mason County Pubic Health. ( ��
✓ The Onsite Sewage Permit has not cxprzd.the Permit Expiration Date
✓ Drainfield site conditions have not bcer altered to adversely affect conditions of design approval.
PleaseNote: The system must be installed by a certified installer,
unless prior authorization is obtained from Mason County Public Health.
An Installation Fee is required.
This form may be scanned and available for public view on the Mason County Web site. Revised: 4/14 20?s
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Arrow Septic Designs
Drainfield Cross-Section View (360) 898-2255
Net To Sale
Length Length Orifice # Distance from Distance from
Lateral# (In.) (Ft.) Spacing Orifices Feeder Line(In.) Cleanout(In.)
1 420 35 60 7 30 30
2 420 35 60 7 30 30
3 420 35 60 7 30 30
4 420 35 60 7 30 30
5 420 35 60 7 30 30
6 420 35 60 7 30 30
Total Lateral Length 210
Total#Orifices 42 GPM= 2478
Dynamic Head Calculations
Selected residual pressure'. 2 ft'
Length (Ft.) #Orifices
Transport Pipe 110 42 120 ft.
Feeder Total
Lateral Line Length
Lateral#1 35 2 37 7 0.11 ft.
Lateral#2 35 11 46 7 0.13 ft.
Lateral#3 35 20 55 7 0.16 ft.
Lateral#4 35 29 64 7 0.18 ft.
Lateral#5 35 38 73 7 0.21 ft.
Lateral#6 35 47 82 7 0.23 ft.
Total Elevation Lift 0.00 ft.
Total Dynamic Head rr,7� 4.22 ft.
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PAULA JOY JOHNSON
iaSIANEk_
1-Zo-2c
CPC \J
AUG j9 .
IWASJ LU
• aronze consrructon available(139 series)
• High head'version available 145 series)
v •> '' Double shaft seal versions a vailabte for added protection
Flow-Mate on models 140/143.
For more Information,see Technical Data Sheets FM2782,FM2783.
In high head dewatering or effluent
applications where pumping
performance is critical, this robust
familyofpumpsis lmcwn for reliability, \
durabit Ty and performance. These
pumps are especially suited for harsh
environments. Zoeder's cootrun design
and corrosion-resistant,powder coated LA
epoxy finish add cp to a bong-tasting,
trouble-free product.
APPLICATIONS:
• STEP oronsieapoIications _ ..
U.die transfer
'fight_omm d,cewaTering
SPECIFICATIONS
11h"NP. d . age ea
1/2 HP thr h1HP MADE IN THE USA
• Availa0le n auto tic Crnon somor tic nj Gi k,ptll. .III "i
• Model 137,139,140'.1/2"(12 mm)spherical solids -
capacity with vortex impeller
• Model?45:3/4"(19 mm)spheric t solids capacity with
vortex Impeller
F \
_ PUMP PERFORMANCE CURVE
MODEL 151 P152i 753
Dose-Mate
This is our fastest growing line of effluent 4- 4
pumps.The JSO seriesis truly a workhorse I designed for reliability under extreme __
conditions in an effluent environment. It
150 series pump curves coverawide range
of applications. They are well suited to
t
applications with tow pressure pipe(LPP) eJ LL
and enhanced flow STEP systems.Zoeller's
cool run design and corrosion-resistant, _
powder coated epoxy finish, in addition
to the hermetically sealed, oil-filled motor
and non-clogging vortex impeller add up to
a long-lasting,trouble-free product
APPLICATIONS:
• STEP or°nste applications M H U o t�c
• !fefit coca_ del dewater rig Y "Ali' L ; - [ "a SPECIFICATIONS: ?- 23 P ce
• 1-1/2"NPT discharge t i 99 y r...4 a.•}
• /10 HP h /2 HP if
• AvailauLe In nonautomaticorwimavondble level AUG 93, t� ]
pipe back mechanical switch ,
e..
• 1/2"112 mm)spherlcal solids capacitywith vortex
thermoplastic impeller
For more information,see Technical Data Sheet FM2784.
ALt rights reservee. ?OELLER PUMP CO. 1502-778-2731 1800-928.7857 zoelierpuopscom 9
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INSTALLATION& MAINTENANCE
Pressure Distribution Systems y
PAULA JOY 4OHNSON
1. Install Laterals with contour of the ground. �; -T�--�-v--
2. Install trench bottoms level. '7 ate
3. Install locator tape or rebar at each end of all drainfield laterals.
4. Install observation ports as indicated on the plot plan. One required at distal end of each
lateral in drainfield with bottom extending to the drainrock/native soil interface. Glue
"T"to bottom so Observation Port cannot be easily removed from ground. Install
removable cap on top of port at final grade level.
5. Install drainfield during dry weather and soil conditions; any soil smearing must be
eliminated by hand raking.
6. Install threaded clean-outs at the end of all laterals (cap must extend to within six inches
of finished grade and be marked with locator tape or rebar).
7. Install audio/visual high water level alarm.
8. Install 1/8"mesh non-corrosive pump screen(min. 12 sq. ft. surface area, not to interfere
with controls or floats.) Or pump screen may be substituted with Bio-Tube in septic tank
and block under pump. Pull bio-tube every 6-12 months and flush back into tank.
9. Install anti-siphon valve above pump in pump chamber to prevent the pump chamber
from siphoning into the drainfield.
10. Install check valve in pump outlet line to prevent system from draining back into the
pump chamber.
11. Tee to Tee construction between laterals and manifold with orifices oriented at 6 o'clock.
Install laterals to the manifold with the orifices at 12 o'clock,(do not glue), after pressure
test and Environmental Health Dept. approval,turn orifices down(6 o'clock) and glue
laterals to manifold. Orifice shields may be used with orifices in the 12 o'clock position
in lieu of turning the orifices down to the 6 o'clock position.
12. Filter fabric required over drain rock prior to back filling. If the drain rock extends above
natural grade, run the filter fabric at least 2 inches down the trench wall.
13. Waterlines must be a minimum of 10' to any tank or drainfleld(a reduction to 5' may be
obtained with a State waiver on lots that meet minimum lot size). Encase all water lines
within 10' of septic transport lines and under any driveway/parking areas.
14. Divert all storm water runoff away from on-site sewage system.
15. \o curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge
of the drainfield and reserve area.
16. Have the septic tank and pump chamber pumped or inspected every 3 years minimum.
17.No vehicular traffic over drainfield area or tanks.
18. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed.
19. All materials and workmanship must meet County and State regulations.
20. Deviation from this design without prior approval from the Designer and Mason County
Environmental Health Deparmient will make this design null and void
21. All manhole lids and access, sampling or inspection ports must have locking covers and
be located at ground level.
22. All pressure systems with a pump chamber outlet higher than the drainfield must have an
anti-siphon valve or a 1/8"hole drilled in the discharge pipe above the pump to prevent
siphoning. Ensure anti-siphon hole sprays down/away from tank opening.
?3. All transport lines under driveways or parking areas must be encased to prevent crushing.
24. Homeowner is responsible for all property lines and eas n t y i
g 6 AUG �o