Section Env-Dw 302.34 - Constructing a Back-up Large Production Well(a) Any supplier of water proposing to construct a back-up large production well shall meet the requirements of Env-Wq 403.34.(b) In addition to the requirements of (a), above, the CWS owner siting the back-up well shall: (1) Locate the back-up well in accordance with Env-Dw 302.09;(2) Establish a sanitary protective area for the back-up well in accordance with Env-Dw 302.10;(3) Develop a wellhead protection area for the back-up well in accordance with Env-Dw 302.11 and Env-Dw 302.22 unless, through prior pumping test data, the water system shows that the zone of contribution of the back-up well is within the wellhead protection area developed for an existing well;(4) Perform a pumping test of the back-up well in accordance with Env-Dw 302.14 to establish the permitted production volume for the well;(5) Collect a water quality sample, in accordance with Env-Dw 302.15(d) and (e) within the last 3 hours of the pumping test conducted pursuant to (4), above; and(6) Submit and obtain approval of a water conservation plan in accordance with Env-Wq 2101.(c) If the CWS has a wellhead protection program, the CWS owner shall include the wellhead protection area developed for the back-up well in its wellhead protection program.(d) If the CWS does not have a wellhead protection program, the CWS owner shall develop and implement a wellhead protection program in accordance with Env-Dw 302.25 for the back-up well and the existing well(s) for which the back-up well is being provided.(e) Prior to approval of the back-up well, the CWS owner shall submit a report that describes and provides supporting documentation for the following: (1) Information pursuant to the requirements in (a) and (b), above;(2) The pumping test performed and the proposed permitted production volume for the back-up well;(3) Results of water quality sampling demonstrating that the back-up well will meet all water quality standards required by Env-Dw 707 through 713;(4) A site map depicting the following: a. The back-up well location;b. The sanitary protective area;c. The wellhead protection area; andd. The location of the back-up well in relation to surface water, wetlands, and the 100-year flood zone;(5) The wellhead protection program developed for the CWS; and(6) A copy of the well completion report for the back-up well, filed in accordance with We 800, that demonstrates compliance with the well construction criteria of Env-Dw 302.26.N.H. Admin. Code § Env-Dw 302.34
Adopted by, Volume XXXVI Number 14, Filed April 7, 2016, Proposed by #11061, Effective 4/1/2016, Expires 4/1/2026.