Section Env-Wq 2101.16 - Night Flow Analysis The owner shall:
(a) Conduct the night flow analysis not less than twice in each 12-month period as follows: (1) Install a water meter capable of reading flows less than 2 gallons per minute at each point of entry into the distribution system;(2) Conduct the analysis during a period of anticipated low water demand;(3) Record the readings for the meter required by (a)(1) above at an interval of not less than 1 minute and not more than 5 minutes for at least one continuous hour;(4) Calculate the volume of water distributed per minute; and(5) Analyze the data to identify potential leaks;(b) Address all leaks as specified in Env-Wq 2101.10; and(c) Submit the data from the night flow analyses from the previous calendar year and the actions taken or to be taken to address suspected leaks or other abnormal trends in the data to the department by April 1 of each year.N.H. Admin. Code § Env-Wq 2101.16
Amended by Number 28, Filed July 11, 2024, Proposed by #14004, Effective 6/22/2024, Expires 6/22/2034.