Section Env-Ws 381.29 - Lead and Copper Source Water Monitoring Frequency After Installation of Source Water Treatment(a) A system owner installing source water treatment pursuant to Env-Ws 381.11 shall collect an additional source water sample from each entry point to the distribution system during 2 consecutive 6-month monitoring periods by the deadline specified in Env-Ws 381.11(e).(b) A system owner shall monitor at the frequency specified below in cases where the department specifies maximum permissible source water levels under Env-Ws 381.12 or determines that the system is not required to install source water treatment under Env-Ws 381.12(b).(c) The owner of a water system using only groundwater shall collect samples once during the 3-year compliance period in effect when the applicable department determination under paragraph (b) of this section is made. Such systems shall collect samples once during each subsequent compliance period.(d) A water system owner using surface water, or a combination of surface and groundwater, shall collect samples once during each year, with the first annual monitoring period to begin on the date on which the applicable department determination is made under (b) above.(e) The owner of a water system shall not be required to conduct source water sampling for lead and copper if the system meets the action level for the specific contaminant in tap water samples during the entire source water sampling period applicable to the system under (c) or (d) above.N.H. Admin. Code § Env-Ws 381.29
(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97, ss by #7734, eff 8-2-02