AAA Septic

Septic Pumping

The big surge of sewage and wastewater can overwhelm the septic system’s ability to cope, particularly you may flood the drain field or push solids into the soak bed, drain field, or seepage bed. You might head off trouble by pumping the septic tank out completely just before the surge of visitors.

Table I. Septic Tank Pumping Frequency in Years

Septic Tank Size

Gallons

Household size – Number of Occupants
1 2 3 4 5 6 7 8 9 10

Septic Tank Pumping Frequency in Years

500* 5.8 2.6 1.5 1.0 0.7 0.4 0.3 0.2 0.1
750* 9.1 4.2 2.6 1.8 1.3 1.0 0.7 0.6 0.4 0.3
900 11.0 5.2 3.3 2.3 1.7 1.3 1.0 0.8 0.7 0.5
1000 12.4 5.9 3.7 2.6 2.0 1.5 1.2 1.0 0.8 0.7
1250 15.6 7.5 4.8 3.4 2.6 2.0 1.7 1.4 1.2 1.0
1500 18.9 9.1 5.9 4.2 3.3 2.6 2.1 1.8 1.5 1.3
1750 22.1 10.7 6.9 5.0 3.9 3.1 2.6 2.2 1.9 1.6
2000 25.4 12.4 8.0 5.9 4.5 3.7 3.1 2.6 2.2 2.0
2250 28.6 14.0 9.1 6.7 5.2 4.2 3.5 3.0 2.6 2.3
2500 30.9 15.6 10.2 7.5 5.9 4.8 4.0 3.5 3.0 2.6