Commercial Septic Tank Size Chart
| Number of sections required | ||||||||
|
Size of Tank |
1500 Inlet | 2000 Inlet | 1500 Center | 2000 Center | 1500 Outlet | 2000 Outlet | Weight | Length |
| 3,000 Gallon | 1 | 1 | 42,600 | 13.33' | ||||
| 3,500 Gallon | 1 | 1 | 44,800 | 14.33' | ||||
| 4,000 Gallon | 1 | 1 | 47,500 | 15.67' | ||||
| 4,500 Gallon | 1 | 1 | 1 | 57,800 | 19.08' | |||
| 5,000 Gallon | 1 | 1 | 1 | 62,400 | 20.83' | |||
| 5,500 Gallon | 1 | 1 | 1 | 64,600 | 21.83' | |||
| 6,000 Gallon | 1 | 1 | 1 | 67,300 | 23.17' | |||
| 6,500 Gallon | 1 | 1 | 1 | 1 | 77,600 | 26.58' | ||
| 7,000 Gallon | 1 | 2 | 1 | 82,200 | 28.33' | |||
| 7,500 Gallon | 1 | 2 | 1 | 84,400 | 29.33' | |||
| 8,000 Gallon | 1 | 2 | 1 | 87,100 | 30.67' | |||
| 8,500 Gallon | 1 | 1 | 2 | 1 | 97,400 | 34.08' | ||
| 9,000 Gallon | 1 | 3 | 1 | 102,000 | 35.83' | |||
| 9,500 Gallon | 1 | 3 | 1 | 104,200 | 36.83' | |||
| 10,000 Gallon | 1 | 3 | 1 | 106,900 | 38.17' | |||
| 10,500 Gallon | 1 | 1 | 3 | 1 | 117,200 | 41.58' | ||
| 11,000 Gallon | 1 | 4 | 1 | 121,800 | 43.33' | |||
| 11,500 Gallon | 1 | 4 | 1 | 124,000 | 44.33' | |||
| 12,000 Gallon | 1 | 4 | 1 | 126,700 | 45.67' | |||
| 12,500 Gallon | 1 | 1 | 4 | 1 | 137,000 | 49.08' | ||
| 13,000 Gallon | 1 | 5 | 1 | 141,600 | 50.83' | |||
| 13,500 Gallon | 1 | 5 | 1 | 143,800 | 51.83' | |||
| 14,000 Gallon | 1 | 5 | 1 | 146,500 | 53.17' | |||
| 14,500 Gallon | 1 | 1 | 5 | 1 | 156,800 | 56.58' | ||
| 15,000 Gallon | 1 | 6 | 1 | 161,400 | 58.33' | |||
| 15,500 Gallon | 1 | 6 | 1 | 163,600 | 59.33' | |||
| 16,000 Gallon | 1 | 6 | 1 | 166,300 | 60.67' | |||
| 16,500 Gallon | 1 | 1 | 6 | 1 | 176,600 | 64.08' | ||
| 17,000 Gallon | 1 | 7 | 1 | 181,200 | 65.83' | |||
| 17,500 Gallon | 1 | 7 | 1 | 183,400 | 66.83' | |||
| 18,000 Gallon | 1 | 7 | 1 | 186,100 | 68.17' | |||
| 18,500 Gallon | 1 | 1 | 7 | 1 | 196,400 | 71.58' | ||
| 19,000 Gallon | 1 | 8 | 1 | 201,000 | 73.33' | |||
| 19,500 Gallon | 1 | 8 | 1 | 203,200 | 74.33' | |||
| 20,000 Gallon | 1 | 8 | 1 | 205,900 | 75.67' | |||