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Pumping

Pumping your system's tanks is vital to the lifespan of your system.  A system that is not pumped regularly will eventually fail.  The goal of pumping is to remove the solids, fats, oils and greases from your tanks.  Tanks should be pumped when it is 1/3rd full of solids. Pumping should not be confused with a system inspection/evaluation as required by Island County Code 8.07D.  

​Recommended Pumping Schedule

   
Household Size (number of people)
 
 

 

1 2 3 4 5 6 Number of Years
Tank Size (gallons) 750 9.1 4.2 2.6 1.8 1.3 1.0
1000 12.4 5.9 3.7 2.6 2.0 1.5
1250 15.6 7.5 4.8 3.4 2.6 2.0
1500 18.9 9.1 5.9 4.2 3.3 2.6
1750 22.1 10.7 6.9 5.1 3.9 3.1
2000 25.4 12.4 8.1 5.9 4.5 3.7
2250 28.6 14.0 9.1 6.7 5.2 4.2
2500 31.9 15.6 10.2 7.5 5.9 4.8


​Helpful Resources

Washington State Department of Health - ​Choosing a Septic System Pumper​


Island County

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Main Offices

Whidbey Office
1 NE 7th Street
Coupeville, WA 98239

Camano Office
121 N East Camano Dr
Camano Island, WA 98282

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Main Line: (360) 678-5111
Sheriff: (360) 679-7310

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Superior Court: (800) 254-2755
District Court: (800) 946-9765

Island County Directory