N.H. Admin. Code § Env-Dw 714.04

Current through Register No. 50, December 12, 2024

Section Env-Dw 714.04 - Requirements for Corrosion Control and Source Water Treatment and Monitoring

In addition to any other requirements in this part that apply:

(a) The O/O of each large water system that is subject to this part shall comply with the applicable source water monitoring and treatment, tap water monitoring, water quality parameter monitoring and treatment requirements, and corrosion control treatment requirements specified in 40 CFR § 141.81 through § 141.83 and 40 CFR §141.86 through §141.88, 7-1-16 edition.

(b) The O/O of each small or medium-sized water system that is subject to this part, at which the lead and/or copper action level is exceeded, shall comply with the applicable source water monitoring and treatment, tap water monitoring, water quality parameter monitoring and treatment requirements, and corrosion control treatment requirements specified in 40 CFR § 141.81 through § 141.83 and 40 CFR §141.86 through §141.88, 7-1-16 edition, subject to the following:

(1) The water system O/O shall perform corrosion control studies within 12 months of the date of action level exceedance;

(2) The water system O/O shall demonstrate that optimized corrosion control treatment has been achieved within 24 months of the date of action level exceedance; and

(3) As specified in Env-Dw 714.08, the water system O/O shall conduct tap water monitoring in accordance with 40 CFR § 141.86, whether or not a lead and/or copper action level has been exceeded, but only when the provisions of 40 CFR § 141.86 so require.

N.H. Admin. Code § Env-Dw 714.04

#9859, eff 2-8-11 (See Revision Note #4 at chapter heading for Env-Dw 700)

Amended by Volume XXXVII Number 23, Filed June 8, 2017, Proposed by #12181, Effective 5/23/2017, Expires 5/23/2027.