N.H. Admin. Code § Env-Dw 504.06

Current through Register No. 50, December 12, 2024
Section Env-Dw 504.06 - Distribution Valve Operation
(a) The water system owner shall fully turn each distribution system gate valve either:
(1) At least once every 12 months; or
(2) At the frequency identified in water system's operations and maintenance manual or rules, provided that not less than 20% of the valves are operated annually and all valves are operated at least once every 5 years.
(b) This activity shall be scheduled to minimize the potential impact on customers.

N.H. Admin. Code § Env-Dw 504.06

(See Revision Note at part heading for Env-Dw 504) #10465, eff 12-2-13