N.H. Code Admin. R. Env-Dw 711.04

Current through Register No. 25, June 20, 2024
Section Env-Dw 711.04 - Frequency of Monitoring for Regulated Inorganics
(a) The O/O of a groundwater system shall collect one sample at each sample point during each 3-year compliance period.
(b) The O/O of a surface water system, or combined surface/groundwater system, shall collect one sample at each sample point annually.
(c) The frequency of monitoring for asbestos shall be as specified in Env-Dw 711.09 through Env-Dw 711.17.
(d) The frequency of monitoring for nitrate and nitrite shall be as specified in Env-Dw 711.18 through Env-Dw 711.26.
(e) The department shall waive the requirement for a community water system or non-transient, non-community water system to monitor for cyanide if the department determines that the PWS is not vulnerable to cyanide due to a lack of any industrial source(s) within the wellhead contributing area.
(f) If the cyanide monitoring requirement is waived pursuant to (e), above, the O/O of each affected water system shall take not less than one sample every 9 years.

N.H. Code Admin. R. Env-Dw 711.04

(See Revision Note #1 at chapter heading for Env-Dw 700) #9700, eff 5-1-10

Amended by Volume XXXVIII Number 50, Filed December 13, 2018, Proposed by #12668, Effective 1/1/2019, Expires 1/1/2029.