N.H. Code Admin. R. Env-Dw 716.01

Current through Register No. 25, June 20, 2024
Section Env-Dw 716.01 - Purpose
(a) The purpose of this part is to establish requirements for filtration, disinfection, and waste recycling as specified in 40 CFR 141 Subpart H, §§70-76, 40 CFR 141 Subpart P, §§170 - 175, 40 CFR 141 Subpart T, §§500 - 571, and 40 CFR 141 Subpart W, §§700-723, which, pursuant to 40 CFR § 141.1, constitute national primary drinking water requirements.
(b) To meet the purpose stated in (a), above, this part establishes:
(1) Requirements for filtration and disinfection at public water systems supplied by a surface water source and public water systems supplied by a source of groundwater under the direct influence of surface water;
(2) Treatment technique requirements in lieu of maximum contaminant levels for giardia lamblia, viruses, heterotrophic plate count bacteria, legionella, cryptosporidium, and turbidity; and
(3) Criteria under which recycle provisions and recordkeeping requirements apply to public water systems that employ conventional filtration or direct filtration treatment and recycle spent backwash water, thickener supernatant, or liquids from dewatering processes.

N.H. Code Admin. R. Env-Dw 716.01

#9620, eff 1-1-10 (See Revision Note #2 at chapter heading for Env-Dw 700)

Amended by Volume XXXVIII Number 23, Filed June 7, 2018, Proposed by #12533, Effective 6/1/2018, Expires 6/1/2028.