Section Env-Dw 709.07 - Return to Standard Monitoring Frequency for CWS Serving 1,000 Persons or Fewer(a) A CWS for which a reduction in monitoring for total coliforms has been approved pursuant to Env-Dw 709.06 shall return to standard monthly monitoring by taking the number of samples for total coliforms specified in Env-Dw 709.05(a) the month following the event if:(1) The CWS: a. Has an E. coli MCL violation;b. Triggers a level II assessment or 2 level I assessments in a rolling 12-month period;c. Has a treatment technique violation as specified in Env-Dw 709.23;d. Has 2 bacteria monitoring violations in a rolling 12-month period;e. Is required to issue a boil order in accordance with Env-Dw 709.19;f. Is without a certified operator for the system for more than 30 consecutive days;h. Has a sanitary defect;(2) The department determines that a groundwater source for the CWS is under the direct influence of surface water or otherwise no longer qualifies as a protected water source, for example due to activities or circumstances that makes the source vulnerable to pathogenic contamination; or(3) The physical configuration of the CWS warrants additional monitoring to accurately determine water quality.(b) If the department determines that any of the criteria listed in (a), above, has been met, the department shall notify the CWS owner in writing of its determination and that Env-Dw 709.07(a) requires the system to return to the monitoring frequency for total coliforms specified in Env-Dw 709.05(a).N.H. Code Admin. R. Env-Dw 709.07
(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.Amended by Volume XXXVII Number 50, Filed December 14, 2017, Proposed by #12420, Effective 11/18/2017, Expires 11/18/2027.