Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION K, exh. F
Invert of the septic tank outlet shall be at least one inch higher than the top of the gravelless pipe.
Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION K, exh. F
Invert of the septic tank outlet shall be at least one inch higher than the top of the gravelless pipe.