N.H. Code Admin. R. Env-Wq 1024.11

Current through Register No. 25, June 20, 2024
Section Env-Wq 1024.11 - Evaluation Criteria - Treatment Tanks
(a) The criterion "at least as protective of the environment as a conventional system" when applied to a treatment tank means that:
(1) If no reductions in set-backs to SHWT, impervious substrate, or surface water are being requested, the effluent quality from the proposed technology will be as good or better than the effluent quality from a standard septic tank;
(2) If reductions in set-backs to SHWT, impervious substrate, or surface water are being requested, the effluent quality from the proposed technology will:
a. Meet NSF 40 standards for at least 2 parameters; and
b. Exceed effluent quality from a standard septic tank for the 3 parameters not covered by NSF 40; or
(3) If reductions in nitrate set-backs are being requested, the effluent quality from the proposed technology meets or exceeds NSF 245 and nitrate at the property boundary will not exceed 10 mg/L.
(b) The criterion "function as reliably or better than a conventional system" when applied to a treatment tank means that the proposed technology, as compared to a standard septic tank, has a reduced occurrence of inadequately treated discharges.
(c) When evaluating an applicant's design manual, the department shall review the material in the manual to ensure that a system built following the design manual will meet the criteria specified in Env-Wq 1024.08(c).

N.H. Code Admin. R. Env-Wq 1024.11

(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08

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