14 CAR pt. 21, Appendix C
14 CAR pt. 21, Appendix C. Minimum Capacity of Spetic Tanks
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Appendix C
MINIMUM CAPACITY OF SEPTIC TANKS
LIQUID CAPACITY OF TANK (GALLONS)
NUMBER OF BEDROOMS
RESIDENTIAL
1, 2, and 3
1000
4
1250
Note: For each additional bedroom add 250 gallons.
COMMERCIAL: Capacity greater than or equal to a minimum 48-hour flow or in no case not
less than 1000-gallon tank