New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Ws - Division of Water
Chapter Env-Ws 300 - NEW HAMPSHIRE DRINKING WATER RULES
Part Env-Ws 381 - CORROSION CONTROL TREATMENT, LEAD AND COPPER ACTION LEVELS
Section Env-Ws 381.11 - Source Water Monitoring and Treatment Requirements

(a) A system owner shall complete the applicable source water monitoring and treatment requirements, described in Env-Ws 381.12, Env-Ws 381.15 through Env-Ws 381.21, and Env-Ws 381.28 through Env-Ws 381.30 by adhering to the sequence specified in (b) through (g), below.

(b) A system exceeding the lead or copper action level shall:

(c) The department shall make a determination regarding source water treatment as specified in Env-Ws 381.12(b) within 6 months after submission of monitoring results under (b) above.

(d) If the department requires installation of source water treatment, the system shall install the treatment as specified in Env-Ws 381.12(c) within 24 months after completion of (c) above.

(e) The system owner shall complete follow-up tap water monitoring as specified in Env-Ws 381.19 and source water monitoring as specified in Env-Ws 381.29(c) within 36 months after completion of (c) above.

(f) The department shall review the system's installation and operation of source water treatment and specify maximum permissible source water levels in accordance with Env-Ws 381.l2 (f) and (g) within 6 months after completion of (e) above.

(g) The system shall operate in compliance with the department-specified maximum permissible lead and copper source water levels as specified in Env-Ws 381.12(f) and (g) and continue source water monitoring as specified in Env-Ws 381.29(b), (c) and (d).