New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1000 - SUBDIVISIONS; INDIVIDUAL SEWAGE DISPOSAL SYSTEMS
Part Env-Wq 1010 - SEPTIC TANKS
Section Env-Wq 1010.11 - Compartments
Universal Citation: NH Admin Rules Env-Wq 1010.11
Current through Register No. 13, March 27, 2025
(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).
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; ss by #9904-A, eff 4-16-11
Disclaimer: These regulations may not be the most recent version. New Hampshire may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.
