- (a) The distance between the liquid line and the interior surface of the top of the tank shall be equal to approximately 20% of the liquid depth.
(b) The interior of the septic tank shall provide:
- (1) A total liquid surface area of not less than 25 SF; and
- (2) A total length of not less than 6 feet between the inlet and the outlet of the septic tank.
Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36