Section R. 325.10830 - Aquifer or performance testing requirementsRule 830.
(1) Each well constructed to serve a public water supply shall undergo an aquifer test or performance test, by a method approved by the department, after installation of a production well and prior to use of a well to supply water to a waterworks system.(2) For type I and type IIa public water supplies, aquifer tests or performance tests shall be performed on the test well or production well. The tests may be required to do any of the following:(a) Determine the adequacy of well depth and development.(b) Secure water samples for quality analyses.(c) Determine well capacity and production on a long-term basis.(e) Select permanent pumping equipment.(f) Evaluate well efficiency.(g) Assure proper utilization and protection of groundwater aquifers.(3) For type IIb and type III public water supplies, aquifer tests or performance tests of wells shall demonstrate that water can be safely withdrawn from an aquifer in sufficient quantity to provide water for drinking and household purposes and of a quality meeting the state drinking water standards.Mich. Admin. Code R. 325.10830