N.H. Code Admin. R. Env-Wq 1010.07

Current through Register No. 25, June 20, 2024

Section Env-Wq 1010.07 - Inlet and Outlet Baffles

(a) Each septic tank shall have an inlet baffle and an outlet baffle that are:

(1) Plumb and level;

(2) Secured to the inlet pipe or outlet pipe, as applicable, using stainless steel screws; and

(3) Plastic vented tees that extend above the liquid line to not less than one inch from the interior of the top of the septic tank or cover.

(b) The inlet baffle shall:

(1) Divert the incoming sewage downward; and

(2) Penetrate at least 8 inches below the liquid level, but in no case greater than the depth of the outlet baffle.

(c) The outlet baffle shall extend to a distance below the surface of the liquid equal to 40% of the liquid depth.

N.H. Code Admin. R. Env-Wq 1010.07

(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; ss by #9904-A, eff 4-16-11

Amended by Volume XXXVI Number 41, Filed October 13, 2016, Proposed by #11184, Effective 10/1/2016, Expires 10/1/2026.