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Dual Compartment Septic Tanks - Washington

***DISCLAIMER*** Here at Tank Depot we work hard to stay up to date on the latest rules and regulations for each state, however, please confirm with your local septic installer or sanitarian that the products you select are approved by your state and county for septic use in your area.

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17 Items

Set Descending Direction
Capacity Name Size Diameter Length Width Height SKU Price
750 Gallons N-43499 Norwesco 750 Gallon Plastic Two Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified 92 L
60 W
51 H
 92 60 51 N-43499 $1,765.00
1000 Gallons N-41724 Norwesco 1000 Gallon Plastic Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 102 L
60 W
63 H
 102 60 63 N-41724 $2,092.00
1000 Gallons N-42406 Norwesco 1000 Gallon Plastic Preplumbed Two Compartment Septic Tank with Low Profile Design - IAPMO Certified 127 L
60 W
51 H
 127 60 51 N-42406 $2,097.00
1000 Gallons N-44474 Norwesco 1000 Gallon Plastic Two Compartment Septic Tank with Two Manhole Covers 102 L
60 W
63 H
 102 60 63 N-44474 $2,040.00
1000 Gallons N-41720 Norwesco 1000 Gallon Plastic Two Compartment Septic Tank - IAPMO Certified 102 L
60 W
63 H
 102 60 63 N-41720 $2,141.00
1000 Gallons N-43517 Norwesco 1000 Gallon Plastic Two Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified 127 L
60 W
51 H
 127 60 51 N-43517 $1,902.00
1250 Gallons N-41754 Norwesco 1250 Gallon Plastic Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 116 L
55 W
70 H
 116 55 70 N-41754 $2,951.00
1250 Gallons N-41746 Norwesco 1250 Gallon Plastic Two Compartment Septic Tank - IAPMO Certified 116 L
55 W
70 H
 116 55 70 N-41746 $2,554.00
1250 Gallons N-43501 Norwesco 1250 Gallon Plastic Preplumbed Two Compartment Septic Tank with Low Profile Design - IAPMO Certified 157 L
60 W
51 H
 157 60 51 N-43501 $2,767.00
1250 Gallons N-43503 Norwesco 1250 Gallon Plastic Two Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified 157 L
60 W
51 H
 157 60 51 N-43503 $2,416.00
1250 Gallons N-41743 Norwesco 1250 Gallon Plastic Two Compartment Septic Tank with Adapters and 2 Manhole Covers - IAPMO Certified 116 L
55 W
70 H
 116 55 70 N-41743 $2,420.00
1500 Gallons N-41764 Norwesco 1500 Gallon Plastic Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 135 L
55 W
63 H
 135 55 63 N-41764 $3,118.00
1500 Gallons N-41774 Norwesco 1500 Gallon Plastic Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 135 L
55 W
63 H
 135 55 63 N-41774 $3,551.00
1500 Gallons N-44480 Norwesco 1500 Gallon Plastic Two Compartment Septic Tank with Gaskets, Tees, and 2 Manhole Covers - IAPMO Certified 135 L
55 W
70 H
 135 55 70 N-44480 $2,893.00
1500 Gallons N-41760 Norwesco 1500 Gallon Plastic Two Compartment Septic Tank - IAPMO Certified 135 L
55 W
70 H
 135 55 70 N-41760 $2,954.00
1500 Gallons N-43504 Norwesco 1500 Gallon Plastic Two Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified 157 L
69 W
51 H
 157 69 51 N-43504 $2,863.00
1500 Gallons N-43502 Norwesco 1500 Gallon Plastic Preplumbed Two Compartment Septic Tank with Low Profile Design - IAPMO Certified 157 L
69 W
51 H
 157 69 51 N-43502 $3,078.00
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  1. Septic Tanks 17 items
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Product Category
  1. Tanks 17 items
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