HomeMy WebLinkAboutSWG2023-00074 - SWG Application / Design - 3/7/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
• SHELTON:360-427-9670,EXT 400
BELFAIR:360-275-4467,EXT 400
Public Health & Human Services ELMA:360-482-5269, EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2023-00074
APPLICANT SANTA SERVICES LLC Phone:
Address: 2430 160TH AVENUE NE BELLEVUE, WA 98008
OWNER SANTA SERVICES LLC Phone:
Address: 2430 160TH AVENUE NE BELLEVUE, WA 98008
Site Address: 40 E Fir Ct
Primary Parcel Number: 320065400008
Permit Description: 3-bedroom pressure system repair
Permit Submitted Date: 03/07/2023
Permit Issued Date: 03/22/2023
Issued By: David Anderson
Current Permit Fees Paid: $780.00 (additional fees may be requi-ed upon installation of system).
Permit Expiration Date: 03/13/2026 (based on date of inspection)
Permit Conditions:
1 Proposed development subject to zoning requirements and approval by the planning
department staff per Mason County Title 17.
2 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
3 Drainfield installation not to exceed designed upslope and downslope depth specified on
design form.
4 Installer is responsible for obtaining Mason County installation approval prior to backfill of
system components.
5 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to
backfill of system components.
6 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submitted for
final installation approval.
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/onsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
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<i(i OFFICIAL USE ONLY
MASON COUNTY PUBLIC HEALTH DATE RECEIVED:
ONSITE SEWAGE SYSTEM APPLICATION AMo E RECE E l3Y CO cn
415 N 6th Street,(Bldg 8) Shelton WA,98584 u < cn
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Shelton:360-427-9670 ext 400 Belfair:360-275-4467 ext 400 St,A VV/G a.,6 b, (�
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APPLICANT PHONE >
SANTA SERVICE LLC 509-967-6952 m n
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MAILING ADDRESS-STREET.CITY,STATE,ZIP CODE
2430 160TH AVE NE BELLEVUE WA 98008 z
SITE ADDRESS-STREET,CITY,ZIP CODE co
40 E FIR COURTE
NAME OF DESIGNER PHONE I W
CINDY WAITE 360-701-0205
NAME OF INSTALLER PHONE N
IO
CHECK ALL APPLICABLE ITEMS DRINKING WATER SOURCE 2
❑ NEW CONSTRUCTION ❑ RV HOLDING TANK ONLY 0 PRIVATE INDIVIDUAL WELL (n I 0O
❑ REPLACEMENT SYSTEM El INSTALLATION PERMIT ONLY 0
PRIVATE TWO-PARTY WELL Z
id❑ TABLE 9 REPAIR 0 SINGLE FAMILY COMMUNITY/PUBLIC WATER SYSTEM 1
ElTANK(S)ONLY ElCOMMERCIAL SYSTEM NAME: OAK PARK
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ElUPGRADE TO EXISTING ElOTHER: BEDROOMS LOT SIZE
sir "Record Drawing required W
EXISTING FAILURE for all Installations" 3 75 CO
DIRECTIONS TO SITE-BE SPECIFIC AND ADVISE OF ANY NEEDED INFORMATION FOR ACCESS(ex locked gate) 0 1
GO INTO OAK PARK, TURN RIGHT ON TO FIR COURT. THIRD DRIVEWAY ON THE
X IO
RIGHT. SOIL LOGS ARE BEHIND THE RESIDENCE I o
O
I
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SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS I OD
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OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE SOURCE((or reporting purposes)
❑VOLUNTARY 0 MAINTENANCE/PUMPING ❑BUILDING PERMIT ['HOME SALE ['COMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS/CONDITIONS
Ili. 1O - 'IF ( t;
Tz: O- 3` (It-5 4
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6y___._-i---= :- -I
SOIL CODES:
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS
IN • itR SIGNATURE
0
/13 lo3 DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED BY DATE
Z /I3 / lC 7.
THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE
REVISED 12/7/2015
ormoit
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 0 0 6 — 5 4 — 0 0 0 0 8
A design will be reviewed when 3 conies of each of the following are submitted:
Completed design form that has been signed and dated. ''Scaled layout sketch, including all applicable items on checklist
'1 Scaled plot plan, including all applicable items on checklist. Cross-section sketch, including all applicable items on checklist.
This form may be scanned and available for public view on the Mason County Web site. Maximum paper size: 1I"X 17"
PARCEL IDENTIFICATION
Permit Number: SWG 26 2Y—G( '7 Designer's Name: CINDY WAITS __
SANTA SERVICES LLC 360-701-0205
Applicant's Name: _ _ Designer's Phone Number: _____
2430 160TH AVENUE NE 80 E PICKERING LANE
Mailing Address: ___— Designer's Address:
BELLEVUE WA 98584 SHELTON WA 98584
City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type:
❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other:
Drainfield Type
'Gravity NSPressure 0 Trench gBed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedroorns 3 Sch tElaajp (E 0 N SCHEDULE 40
Daily Flow: Operating Capacity 270 gpd Len (� 1 45 ft
Daily Flow: Design Flow 360 gpd Dia r MAR Y 7 2�23 1.25 in
Septic Tank Capacity 1530 INFILTRATOR gal Nu ber 3
Receiving Soil Type(1-6) 3 Se Pi- 3 ft
ti
Receiving Soil Appl. Rate .8 gpd/ft` Orifices
Required Primary Area 450 ft2 Total Number of Orifices 27
Designed Primary Area 450 ft2 Diamc�;• 3/16 in
Designed Reserve Area 450+ ft2 Spa c �t 60 in
Trench/Bed Width 10 ft /A�4- .As Manifold
Trench/Bed Length 45 ft /:`ouk/C .• I1 q SCHEDULE 40
Elevation Measurements i q;l;Yt7i�.'`. o �'>0�f1 �r'1) 2 ft
Original Drainfield Area Slope 1 % i, ne& < 2
i, , \ in
New Slope, If Altered % Pr iiii 'fold c °D'uration used? EiYes 0 No
Depth of Excavation UP-slope Z0 LIC ED DESIGNER w/a
from Original Grade Down-slope
a II �►� woom��� ���� 'I ansport Pipe
r 15 in ie.tfalgefass SCHEDULE 40
Designed Vertical Separation 12 in Length 25+/- ft
Gravelless Chambers Required? 0 Yes Id No 0 Optional Diameter 2 in
Pump Required? 0 Yes lif No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity _ 45 gal
Orifice s ft
Chamber Capacity /0(,D 1FILT RAT OR gal
Uppermost Orifice RI Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head 15.93 gpm Timer \/[ED Counter
Calculated Total Pressure Head 7 14 ft 101Pe If Timer: Pump on ,rPtlT» offY �°•-4^
Comments MAR 2 2 2023 \\\3
PROPERLY DECOMMISSIONED EXISTING SEPTIC TANK.
MASON COUNTY ENVIRONMENTAL HEALT'
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DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 0 0 6 -- 5 4 -- 0 0 0 0 8
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
GA Test hole locations Ef Drainfield orientation and layout Reference depth from original grade:
0 Soil logs lid Trench/bed dimensions and g Septic tank
0 Property lines critical distances within layout
P Y Q( Drainfield cover
Atf xisting and proposed wells d D-Box/Valve box locations Reference depth from original grade
within 100 ft of property 0 Septic tank/pump chamber and restrictive strata:
IIA()..Measurements to cuts, banks,and locations p1,1 i+../
l f Laterals,trench/bed,top and
surface water and critical areas 0 Observation port location bottom
j\!Vocation and orientation of Z Clean-out location 0 Curtain drain collector
curtain drain and all absorption if Manifold placement 0 Sand augmentation
components
0 Orifice placement Other cross-section detail:
Location and dimension of Q( ports/clean-outs
gprimary system and reserve area Lateral placement with distance Observation
to edge of bed Other Information
10 Buildings
l/ t
Audible/visual alarm 1 erFnced, Yes No
Direction of slope indicator
lif Scale of drawing shown on scale g 0 Design staked out
1 Waterlines bar 0 0 Recorded Notices attached
0 Roads, easements,driveways, 0 0 Waiver(s)attached
parking ❑ ❑ Pump curve attached
0 North arrow and scale drawing 0 0 Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑ Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must be 'tied by i staller at time of installation Cid Yes ❑ No
3f /t• / 2c 7,z
Sig ure of Designer Date
The undersigned has reviewed this design on behalf of Mason County Public Health anA R&V ED
compliance with state and local on- i =ulations: 7
1/17/ZQ ZJ MAR 2 2 2023
:nvironmental Health Specialist Date
MASON COUNTY ENVIRONMENTAL HEALTH
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITikif1/41:
V The design is stamped "Approved" by Mason County Public Health.
V The Onsite Sewage Permit has not expired,the Permit Expiration Date is:
✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval.
Please Note: The system must be installed by a certified installer,
unless prior authorization is obtained from Mason County Public Health.
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An Installation Fee is required.
This form may be scanned and available for public view on the Mason County Web site.
Updated Date: 12/7/2015
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ASON COUNTY ENVIRONMENTAL HEALTt
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• Lateral# Length Length Orifice # Distance from Distance from end
# (Feet) (Inches) Spacing " Orifices feeder line of end of lateral
.1 1 45 540 60 9 2.5 2.5
2 45 540 60 9 2.5 2.5
3 45 540 60 9 2.5 2.5
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27
TRANS LENGTH 30
GPM 15.93
K (2"SCHEDULEN 40) 284.5
FRICTION LOSS 0.144933319
Squirt 2
Elevation difference 5
TDH 7.144933319
Trench Depth
APPROVED
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1 / 3y MASAN COUNTY ENVIRONMENTAL HEALTI-
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411.
TO DRAINFIELD RISER WITH LOCKING UD
PRESSURE LATERALS
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UNDISTURBED SOIL ___
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MONITOR PONDING
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b.e- , pp Rqx\ED
��PoF�gs ��9,1 0410NITORING/CLEANOUT PA
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INFILTRATOR "
.� 4-G —ra4i- IM-1530
tanks
Features & Benefits
The Infiltrator IM-1530 is a lightweight strong and • Strong injection molded
durable septic tank. This watertight tank design is polypropylene construction
offered with Infiltrator's line of custom-fit risers A • Lightweight plastic construction
and heavy-duty lids. Infiltrator injection . and inboard lifting lugs allow for
molded tanks provide a revolutionary - ,t easy delivery and handling
improvement in plastic septic - • Integral heavy-duty green lids that
tank design, offering long-term interconnect with TWTM risers and
exceptional strength and - ,i pipe riser solutions
watertightness. ;*_ ;•�'�j, r • Structurally reinforced access
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0-i-mio.` i������ IN., .......... ,t (non-potable)tank
LxPRes u5.10 Inlet Side • No special water filling
TANK CUTAWAY Infiltrator - •
requirements are necessary
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Riser • The tank may b #01i1ft E D
System suitable nat t
instructions for guidance.
MAR 227n73
Partition - - -
baffle wall -
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CUTAWAY
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Hiotecting the Environment with Innovative Wastewater Treatment Solutions I N F I LT R ATO R
water technologies
IM-1530 General Specifications
and Illustrations
LIFTING LUG(TYP) RISER CONNECTION(TYP)
The IM-1530 is an injection molded two piece mid- T.LIFTING STRAP(PIP)
seam plastic tank.The IM-1530 injection molded
plastic design allows for a mid-seam joint that has 111011111111111111110111111111111P101114)."‘,));,,
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using a series of non-corrosive plastic alignment
dowels and locking seam clips. The IM-1530 is 175.6(4,460)EXTERIOR LENGTH
assembled and sold through a network of certified
Infiltrator distributors. TOP VIEW
Must be backfilled and installed in accordance
with Infiltrator Water Technologies, Infiltrator OUTLETTEE;
IM-Series Septic Tank General Installation
Instructions and for shallow ground water r ( (I j I lii
conditions reference the Infiltrator IM-Series I �
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Tank Buoyancy Control Guidance. TERI
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IM-1530 END VIE A PPROVED
Working Capacity 1537 gal(5818 L)
Total Capacity 1787 gal(6765 L) 024.0(610(ACCESSPORT MAR 2 2 2023
_— --04(1021 / WITH LOCKING LID la)
Airspace 16.9% NLETOTREESS (//J _10.1(257(FREEBOA 0
MASON COUNTY rNVIRu o '.'.i"'
Length 176"(4460 mm) 2 INLE { - —.44, -. , 1 OUT�` TEE
16.NY AIR SPACE OU
Width 62"(1567 mm) 3.0 j I PER a z(s)WALL
(781 CODE
Length-to-Width Ratio 2.8 to 1 — LER (�1181 L THICKNESS
CODE LIQUID 2(511X21511
Height 55"(1384 mm) • DEPTH FIBERGLASS
SUPPORT(4)
Liquid Level 44"(1118 mm) (TYP.)
Invert Drop 3"(76 ram)
Fiberglass Supports _ _ 4 _ a'R.F Sti Fyn t SIDE VIEW
Compartments 1 or 2 �49 N ); `A��' - • ��
Maximum Burial Depth 48"(1219 mm) •
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Minimum Burial Depth 6"(152 ram) �°' oa GASKET
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Dt.W ITEMaximum Pipe Diameter 4"(100 mm) LICE DESIGNER NK
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Weight 501 lbs(228 kg) LXI'llr:s 05•+a
ALIGNMENT G\\3
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4 Business Park Road
P.O.Box 768
Old Saybrook.CT 06475 MID-HEIGHT SEAM SECTION
'N't F 1 LT R AT O R 8 eoo-zz0 4•436 860-577-7001
1,, rC -,ti t(C;01 www,inflltratorwater.com
U.S.Patents:4.759,661;5,017.041:5.156,488:5.336.017;5.401,116;5,401,459;5.511.903:5.716,163;5,588,778:5,839.844 Canadian Patents:1.329,959:2.004.564 Ocher patents pending.Alfnrator,
Equalizer,000k4,and SideWinder are registered trademarks of Infiltrator Water Technologies.Infiltrator is a registered trademark in Franco.Infiltrator Water Technologies is a registered trademark in Mexico.
Contour.MicroLeaching.PolyTuff,ChamberSpacer.MultiPort,PosiLock,QuickCut,OuickPloy,SnapLock and Straightiock are trademarks of Infiltrator Water Techlx,krgies.
PolyLok iS a trademark of PolyLok.Inc.TUE-IlT E is a registered trademark of TUF-TITE.INC.Ultra-Rib is a trademark of IPEX Inc.
2)2014 Infiltrator Water Technologies,LLC.All rights reserved.Printed in U.S.A. IM21 1116
Contact Infiltrator Water Technologies' Technical Services Department for assistance at 1-800-221-4436
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RKK![[KK[K1[KK a a K K W K II( Milii 11 .0 A VI i , ' . • Structurally reinforced access ports
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{ and pump-outs
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fiberglass bulkheads offer additional
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• Can be installed with 6"to 48"
of cover
The Infiltrator IM-1060 i_a lightweight strong and durable septic tank. • Can be pumped dry during
This watertight tank d 'in is offered with Infiltrator's line of custom-fit pump-outs
risers and heavy-du lids Infiltrator injection molded tanks provide a • Suitable for use as a septic tank, pump
revolutionary impr ,. en04 plastic septic tank design, offering long-term tank,or rainwater(non-potable)tank
exceptional stren 4" .nd �- i• ' • ess. • No special water filling requirements
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Inlet Side are necessary
s�P N - A,I►�. • The tank may be backfilled with suitable
TANK CUTA ('r-. \ rator '- native soil.See installation i
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IM-1060 General Specifications and Illustrations
-JI'IVt.sr5N• .ATIN4 t;G %SEA CONFECTION
.,14A„ /I .TYPICA.,
The IM-1060 is an injection molded two piece mid-seam *._`-..--- ----.r _5-- e. �j
plastic tank.The IM-1060 injection molded plastic design 1 L �� I I , 1 ib I
allows for a mid-seam joint that has precise dimensions A „ ..• �-�!1 I Itt' I,' I r l r,/--' _ ; A
for accepting an engineered EPDM gasket. Infiltrator's A t; ,'-i/O., \ • . I , : /OO ` ;1
gasket design utilizes technologyfrom the water industry
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to deliver proven means of maintaining a watertight seal. ,_�1 r t I , •t' L:'-� •�T.i, Exrauna
The two-piece design is permanently fastened using a i I,-y' 1 a'_ ` i ; ' ` 1 r 1.m,1 c1
series of non-corrosive plastic alignment dowels and { I ��
locking seam clips. The IM-1060 is assembled and sold 1
through a network of certified Infiltrator distributors. . . ,_7,,p7)6jEnLR1ORLENGTH __---- .--
1-
Must be backfilled and installed in accordance with TOP VIEW
Infiltrator Water Technologies,Infiltrator IM-Series Septic ,,,,a, —
Tank General Installation Instructions and for shallow . .._ -- --
ground water conditions reference the Infiltrator 1M- , , i• it
Series Tank Buoyancy Control Guidance. +1fl I� II it,I.1 li c
4'JI i i, j 1 ' i •I I . 54.7
Please visit www.infiltratorwater.com/images/pdfi = — _ —_ _
ManualsGuides/TANK01.pdf for the latest information. „i _ ((JJ�„ DORM
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Working Capacity _ 1094 gal(4141 L) . a
Total Capacity 1287 gal(4872 L) I END VI '
Airspace 16.5% • MAR 2 2 ")n93
Length 127"(3226 mm) 04.k41 - r—024 6I0IM ESSDPEre,ws WITH LOCI GODS;1:
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Width 62.2'.(1580 mm) ua,IT,f _1 ,J V 'T. —O9AElO0/2RVO , •H' .. ;
Length-to-Width Ratio 2.3 to 1 1%1Fr 1 __.._.1 . ) _ Aa F- i Dun Et
Height — — 54.7"(1389 mm) ` '„°6 i PER
Liquid Level 44"(1118 mm) 44,0 cODE
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Compartments — 1 or 2 '� l r'l�`T — I,.✓
Maximum Burial Depth 48"(1219 ram) 1 . SIDE VIEW
Minimum Burial Depth 6"(152 mm) s 4 ,
Maximum Pipe Diameter 6"(152 mm if .1 TANK TOP CONTINUOUS
Weight 3201bs(14 j 'P �` HALF GASKET
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Contact Infiltrator Water Technologies' Technical Services Department for assistance at 1-800-221-4436
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Pump Specifications ii
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250-Series Submersible ` __
Sump / Effluent Pump iii _�►
LITERS PER MINUTE
0 20 40 60 80 100 120 140 160 180
25 4 t I I I I t 4 I
— — — 7
20 — 6
I — 5
15 .A 'PROVED
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1 - 4= MAR 222023
- MASON EUNTY ENVIRONMENTALDJA HEALT t
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1- 10 : } - 3
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LICENSED D SIGNER
EXPIRES 0,1 ,
0 10 20 30 40 50
GALLONS PER MINUTE
250_PI RIr17/201R t.Topyright 2018 Liberty Pumps Inc All rights reserved Specifications subject to change without notice 11110
Installation Notes
Pressure Distribution System
40 E Fir Court 32006-54-00008
1. This is a failed system. It is 39 years old. Drainfield is not accepting water. It has had
deficient reports for the last four years. Tank may be leaking and drainfield is ponding
2. The prepared site plan is not a survey. It's the owner's responsibility to verify property
lines, utility lines (water, sewer, power, phone and gas) prior to installation.
3. Gravel based drainfield required.
4. The tanks may be moved as necessary to accommodate building requirements. Septic
tank location must meet all required setbacks.
5. Keep wheeled vehicles off the drainfield area before, during and after installation.
Tracked equipment only,
6. All ground, surface water and roof drains must be diverted away from the septic tanks
and drainfield. Ensure the final grade slopes away from these areas and water doesn't
collect on or around them. Use swales, berms, catch basin and tight lines, curtain drains,
etc. to divert all waters.
7. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfield
8. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the
drainfield. //�� ®PRO
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9. Install access risers on the septic tanks, valve box and ends of laterals.A�i 1�'" P I�.O V . •
10. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
11. Lids must form a water and gas tight seal with the access risers MAR 2 2 2023
12. Install effluent filter specified in this design at the septic tank outlet.
13. This system must be installed by a Mason County Certified installer. MASON COUNTY ENVIRONMENTAL h:AL?'
14. Deviation from this design without prior approval from the designer and Mason Coin
Health Department will make this design null and void.
15. This design was sized per Washington Administrative CodeWAC246-272A-0230. The
operating capacity is based on 45 gallons per day per capita with two persons per
bedroom. The minimum design flow per bedroom per day is the operating capacity of
ninety gallons multiplied by 1.33. This results in a minimum design flow of one hundred
twenty gallons per day. This creates a surge factor of 33% but anticipated flow is ninety
gallons per bedroom per day.
16. Install laterals with contour of the ground
17. Install trench bottoms level and always maintain a minimum of six inches into native soil
18. Install locator tape on top of all drainfield laterals.
19. Install threaded clean outs at the ends of all laterals (caps must extend to within six \\\,��
inches of finish grade and be in a valve box as shown on d. am.
20. Install audio/visual alarm \
21. Filter fabric required over drain rock prior to backfilling 4'hq,�,r1 o extendsove
the original grade, run the filter fabric at least 2 inch J
P�, h wall. �✓
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�I 1O LIC IND WTE \
D DESIGNE
LxPRes u5/10,
System Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Mason County Health Department.
2. The septic tank and pump tank should be pumped every three to five years or as
needed.
3. System owners are responsible for having maintenance performed annually.
4. System owners are responsible for responding to septic issues in a timely manner.
5. System owners shall not at any time change or alter settings in the control box.
6. System owner agrees to read and abide by information regarding their system in the
User Manual provided by Mason County Public Health.
7. Keep the flow of sewage at or below the approved design operating capacity.
8. Keep waste strength at residential waste strength parameters.
9. Spread loads of laundry through the week.
10. Do not use excessive bleach or detergents with added whiteners.
11. Do not shower, do laundry and dishwasher at the same time
12. Antibiotics can kill or impair the biological process in the septic tank.
13. Leaky plumbing can hydraulic overload your on-site septic system.
APPROVED
MAR 2 2 2023
MASON COUNTY ENVIRONMENTAL HEALTF
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EXPORLS