N.H. Admin. Code § Env-Dw 713.08

Current through Register No. 50, December 12, 2024
Section Env-Dw 713.08 - Monitoring and Reporting for Sodium
(a) The O/O of a community water system or non-transient non-community water system shall collect and analyze one sample per plant at the entry point of the distribution system, as specified in the sampling schedule established pursuant to Env-Dw 708.01, for the determination of sodium concentration levels.
(b) Samples shall be collected and analyzed:
(1) Annually, for systems using surface water sources in whole or in part; and
(2) Subject to (c), below, once every 3 years for systems using groundwater only.
(c) The department shall establish a more frequent monitoring schedule for a system using groundwater only if a source is in a location where the sodium content is variable.
(d) Subject to (e), below, the O/O shall report the results of the analyses for sodium to the department within the earlier of:
(1) The first 10 days of the month following the month in which the sample results were received; or
(2) The first 10 days following the end of the required monitoring period.
(e) If more than annual sampling is required, the O/O shall report the average sodium concentration within 10 days of the month following the month in which the analytical results of the last sample used for the annual average was received.
(f) Subject to (g), below, the O/O shall send:
(1) A written notice of the sodium levels to appropriate local and state public health officials by direct mail within 3 months; and
(2) A copy of each notice required to be provided by (1), above, to the department within 10 days of its issuance.
(g) The O/O shall not be required to send the notice required by (f), above, if the department provides such notices in lieu of the supplier pursuant to Env-Dw 801.

N.H. Admin. Code § Env-Dw 713.08

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

Amended by Volume XXXV Number 06, Filed February 12, 2015 , Proposed by #10771, Effective 2/1/2015, Expires2/1/2025.
Amended by Volume XXXVIII Number 50, Filed December 13, 2018, Proposed by #12668, Effective 1/1/2019, Expires 1/1/2029.