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 381.05 - A pplicability of Corrosion Control Treatment Steps
Current through Register No. 13, March 27, 2025
(a) A system requiring corrosion control because it exceeded the lead or copper action level shall complete the applicable corrosion control treatment requirement identified in Env-Ws 381.09 and Env-Ws 381.10 by the deadlines established in this part.
(b) A large system owner shall complete the corrosion control treatment steps specified in Env-Ws 381.07 unless the department determines that the system is deemed to have optimized corrosion control under Env-Ws 381.06.
(c) A small system owner and a medium size system owner shall complete the corrosion control treatment steps specified in Env-Ws 381.08 unless the department determines that the system is deemed to have optimized corrosion control under Env-Ws 381.06.
#5422 eff 6-22-92 (See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97, ss by #7734, eff 8-2-02
