All American Septic Services

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Septic Tank Pumping Schedule

Septic Tank Pumping Schedule


Use less water, reduce the work on the septic system. Also, try to even out the timing of water consumption. Examples, do laundry throughout the week instead of all at once; use flow reducer nozzles on showers; install water-conserving commodes.

Keep trees at least 100 feet away from the septic system. Trees with aggressive roots, such as willows, should be planted even farther away. Tree roots can ruin a septic system.

Table I. Septic Tank Pumping Frequency in Years

.Household size - Number of Occupants
.1 2 3 4 5 6 7 8 9 10
Tank-Gallons Septic Tank Pumping Frequency in Years
500* 5.82.61.51.00.70.40.30.20.1--
750* 9.14.22.61.81.31.00.70.60.40.3
900 11.05.23.32.31.71.31.00.80.70.5
1000 12.45.93.72.62.01.51.21.00.80.7
1250 15.67.54.83.42.62.01.71.41.21.0
1500 18.99.15.94.23.32.62.11.81.51.3
1750 22.110.76.95.03.93.12.62.21.91.6
2000 25.412.48.05.94.53.73.12.62.22.0
2250 28.614.09.16.75.24.23.53.02.62.3
2500 30.915.610.27.55.94.84.03.53.02.6