Michigan Administrative Code › Department - Environmental Quality › Drinking Water And Municipal Assistance Division › Supplying Water to the Public › Part 7 - SURVEILLANCE, INSPECTION, AND MONITORING › Section R. 325.10739a - Groundwater supply rules; compliance monitoring

Current through Vol. 24-12, July 15, 2024
Rule 739a.
(1)
				  This subrule applies to existing groundwater sources. A groundwater supply that
				  is not required to meet the source water monitoring requirements of R
				  325.10612, R 325.10612a, R 325.10739, this rule, or R 325.10739b for 1 or more
				  groundwater sources because it provides not less than 4-log treatment of
				  viruses (using inactivation, removal, or a department approved combination of
				  4-log virus inactivation and removal) before or at the first customer for 1 or
				  more groundwater sources before December 1, 2009, shall notify the department
				  in writing that it provides not less than 4-log treatment of viruses (using
				  inactivation, removal, or a department approved combination of 4-log virus
				  inactivation and removal) before or at the first customer for the specified
				  groundwater source and begin compliance monitoring under subrule (3) of this
				  rule by December 1, 2009. Notification to the department shall include
				  engineering, operational, or other information that the department requests to
				  evaluate the submission. If the groundwater supply subsequently discontinues
				  4-log treatment of viruses (using inactivation, removal, or a department
				  approved combination of 4-log virus inactivation and removal) before or at the
				  first customer for a groundwater source, the supply shall conduct groundwater
				  source monitoring as required under R 325.10739.
(2) This subrule applies to new groundwater
				  sources. A groundwater supply that places a groundwater source in service after
				  November 30, 2009, that is not required to meet the source water monitoring
				  requirements of R 325.10612, R 325.10612a, R 325.10739, this rule, or R
				  325.10739b because the groundwater supply provides not less than 4-log
				  treatment of viruses (using inactivation, removal, or a department approved
				  combination of 4-log virus inactivation and removal) before or at the first
				  customer for the groundwater source shall comply with all of the following:
(a) The groundwater supply shall notify the
				  department in writing that it provides not less than 4-log treatment of viruses
				  (using inactivation, removal, or a department approved combination of 4-log
				  virus inactivation and removal) before or at the first customer for the
				  groundwater source. Notification to the department shall include engineering,
				  operational, or other information that the department requests to evaluate the
				  submission.
(b) The groundwater
				  supply shall conduct compliance monitoring as required under subrule (3) of
				  this rule within 30 days of placing the source in service.
(c) The groundwater supply shall conduct
				  groundwater source monitoring under R 325.10739 if the groundwater supply
				  subsequently discontinues 4-log treatment of viruses (using inactivation,
				  removal, or a department approved combination of 4-log virus inactivation and
				  removal) before or at the first customer for the groundwater source.