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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 $ 593
500 Gallon Septic Pump Tank 60" 60" 63" 60" L
60" W
63" H
1 5170000W94203 AR, CA, MS, WV $ 754
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 $ 790
750 Gallon Septic Tank 96" 52" 62" 96" L
52" W
62" H
1 41712 MN, OH $ 949
750 Gallon Septic Tank 96" 48" 63" 96" L
48" W
63" H
1 41814 NY $ 1,050
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
1 AST-1000-1 IA $ 1,160
1000 Gallon Septic Tank 101" 60" 60" 101" L
60" W
60" H
2 AST-1000-2 IA $ 1,270
1000 Gallon Septic Tank 101" 52" 71" 101" L
52" W
71" H
1 44622 MN, OH $ 990
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
1 41718 GA, MN, MS, NY, OH, OK, UT, WA $ 1,100
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41720 GA, MN, MS, NY, OH, OK, UT, WA $ 1,180
1000 Gallon Septic Tank 102" 60" 63" 102" L
60" W
63" H
2 41721 CA $ 1,180
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
1 AST-1250-1 IA $ 1,480
1250 Gallon Septic Tank 118" 58" 72" 118" L
58" W
72" H
2 AST-1250-2 IA $ 1,480
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
1 41741 MN, NY, OH, OK, UT, WA $ 1,350
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41743 MN, NY, OH, OK, UT, WA $ 1,440
1250 Gallon Septic Tank 116" 55" 70" 116" L
55" W
70" H
2 41744 CA $ 1,440
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
1 AST-1500-1 IA $ 1,690
1500 Gallon Septic Tank 137" 58" 72" 137" L
58" W
72" H
2 AST-1500-2 IA $ 1,910
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
1 41758 GA, MN, NY, OH, OK, UT, WA $ 1,650
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41760 GA, MN, NY, OH, OK, UT, WA $ 1,760
1500 Gallon Septic Tank 135" 55" 70" 135" L
55" W
70" H
2 41761 CA $ 1,760
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