N.H. Code Admin. R. Env-Dw 709.08

Current through Register No. 25, June 20, 2024
Section Env-Dw 709.08 - Frequency of Standard Monitoring For Total Coliforms for Non-Seasonal NCS and Certain Seasonal Systems
(a) Subject to (b) and (c), below, and Env-Dw 709.09, the owner of a non-community water system (NCS) that is served solely by one or more protected water sources and that either is not a seasonal system or is a seasonal system that is described in Env-Dw 709.01(d) shall monitor for bacteria based on the number of persons served, as follows:
(1) If the NCS serves 1,000 persons or fewer per month, the owner shall collect one sample during each calendar quarter that the NCS provides water to the public; and
(2) If the NCS serves more than 1,000 persons during any month, the owner shall take the number of samples for total coliforms per month as required for a like-sized community water system, as specified in Env-Dw 709.05(a).
(b) If the number of persons served by an NCS is event-driven, such as a racetrack, fairgrounds, or concert venue, the owner shall take the number of samples for total coliforms as a like-sized CWS as specified in Env-Dw 709.05(a), using the average daily population calculated over a one-month period.
(c) An NCS supplied by surface water or groundwater under the direct influence of surface water shall monitor for coliform bacteria monthly.

N.H. Code Admin. R. Env-Dw 709.08

(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.