N.H. Admin. Code § Env-Wq 1010.11

Current through Register No. 50, December 12, 2024
Section Env-Wq 1010.11 - Compartments
(a) A septic tank used in an ISDS that does not have a pump may be separated into 2 or more compartments, provided:
(1) The first compartment equals at least 2/3 of the required volume for the septic tank; and
(2) The total volume of all compartments equals or exceeds the liquid capacity required by Env-Wq 1010.01.
(b) A septic tank used in a pump system may be separated into 2 or more compartments, provided:
(1) The first compartment equals at least 2/3 of the required volume of the septic tank; and
(2) The total volume of the compartments, exclusive of the pump chamber, equals or exceeds the liquid capacity required by Env-Wq 1010.01.
(c) If a septic tank has more than one compartment, the following shall apply:
(1) Venting between compartments shall be provided to allow free passage of gas;
(2) Inlet and outlet baffles shall be proportioned at the inlet and outlet as for a single-compartment tank; and
(3) The total storage above the liquid line in each compartment shall be as specified in Env-Wq 1010.09(a).

N.H. Admin. Code § Env-Wq 1010.11

(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.