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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 48.5" 48.5" 53" 48.5" L
48.5" W
53" H
1 5260000W94202 AR, CA, MS, NE, WV $ 685
500 Gallon Septic Pump Tank 60" 60" 63" 60" L
60" W
63" H
1 5170000W94203 AR, CA, MS, WV $ 871
500 Gallon Septic Tank 88" 48" 43" 88" L
48" W
43" H
1 ST21L MS $ 0
750 Gallon Septic Tank 70" 60" 60" 70" L
60" W
60" H
1 AST-0750-1 IA $ 921
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 $ 1,212
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
1 AST-1000-1 IA $ 1,353
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
2 AST-1000-2 IA $ 1,481
1000 Gallon Septic Tank 101" 52" 71" 101" L
52" W
71" H
1 44622 MN, OH $ 0
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
1 41718 GA, MN, MS, NY, OH, OK, UT, WA $ 1,270
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41720 GA, MN, MS, NY, OH, OK, UT, WA $ 1,363
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41721 CA $ 1,363
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
1 AST-1250-1 IA $ 1,672
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
2 AST-1250-2 IA $ 1,726
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
1 41741 MN, NY, OH, OK, UT, WA $ 1,559
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41743 MN, NY, OH, OK, UT, WA $ 1,663
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41744 CA $ 1,663
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
1 AST-1500-1 IA $ 1,963
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
2 AST-1500-2 IA $ 2,205
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
1 41758 GA, MN, NY, OH, OK, UT, WA $ 1,905
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41760 GA, MN, NY, OH, OK, UT, WA $ 2,033
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41761 CA $ 2,033
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