Section Env-Dw 709.14 - Adjusting Total Coliform Sampling Frequency After a Sanitary Survey(a) The department shall review the results of each sanitary survey undertaken pursuant to Env-Dw 720 with respect to bacterial contamination to determine whether: (1) The wellhead is physically inaccessible;(2) The wellhead is subject to flooding due to conditions that cannot be corrected within the time limit specified in Env-Dw 720; or(3) Any other condition exists that would increase the potential for bacterial contamination.(b) If the PWS does not already take total coliform samples each month and the department determines that any of the conditions listed in (a), above, is present, the department shall require the PWS to take total coliform samples monthly.(c) In conducting a sanitary survey of a system using groundwater, information on sources of contamination within the delineated wellhead protection area that was collected in the course of developing and implementing a wellhead protection program for the groundwater source shall be considered instead of collecting new information, if the information was collected since the last time the system was subject to a sanitary survey.N.H. Code Admin. R. Env-Dw 709.14
(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.