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Pre-Plumbed Septic Tanks

Pre-Plumbed Septic Tanks are plastic septic tanks that have already been fitted with adapters and tees. These plumbed septic tanks are shipped ready to install. View our full catalog of underground septic tanks if you don't mind plumbing the tank yourself. A full list of state approved septic tanks is also available.
Tank / Capacity Length Width Height Size Compartments Part# From Price
300 Gallon Septic Pump Tank
Ships Fast! ~ 48 Hour Lead Time
48.5" 48.5" 53" 48.5" L
48.5" W
53" H
1 5260000W94202 AR, CA, MS, NE, WV $ 1,020
500 Gallon Septic Pump Tank
Ships Fast! ~ 48 Hour Lead Time
60" 60" 63" 60" L
60" W
63" H
1 5170000W94203 AR, CA, MS, WV $ 1,296
500 Gallon Septic Tank 88" 48" 43" 88" L
48" W
43" H
1 ST21L MS $ 0
750 Gallon Septic Tank 96" 52" 62" 96" L
52" W
62" H
1 41712 MN, OH $ 0
750 Gallon Septic Tank 96" 48" 63" 96" L
48" W
63" H
1 41814 NY $ 1,759
750 Gallon Septic Tank 70" 60" 60" 70" L
60" W
60" H
1 AST-0750-1 IA $ 1,221
1000 Gallon Septic Tank 101" 52" 71" 101" L
52" W
71" H
1 44622 MN, OH $ 0
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
2 AST-1000-2 IA $ 1,963
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41721 CA $ 2,141
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
1 41718 GA, MN, MS, NY, OH, OK, UT, WA $ 2,037
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
1 AST-1000-1 IA $ 1,794
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41720 GA, MN, MS, NY, OH, OK, UT, WA $ 2,141
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
1 AST-1250-1 IA $ 2,289
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41743 MN, NY, OH, OK, UT, WA $ 2,420
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
2 AST-1250-2 IA $ 2,289
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41744 CA $ 2,420
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
1 41741 MN, NY, OH, OK, UT, WA $ 2,264
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
1 AST-1500-1 IA $ 2,611
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41761 CA $ 2,954
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
1 41758 GA, MN, NY, OH, OK, UT, WA $ 2,768
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
2 AST-1500-2 IA $ 2,953
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41760 GA, MN, NY, OH, OK, UT, WA $ 2,954
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