Promising For Property: Mich.'s New Groundwater Rules

Law360, New York (September 5, 2012, 2:15 PM EDT) -- Through Public Act 190 of 2012, Michigan recently amended the requirements for response activities addressing impacted groundwater that vents into surface water. Vented groundwater is subject to groundwater/surface water interface (GSI) criteria, and the amendments are aimed at addressing the great difficulty in complying with this criteria.

The first step in evaluating the potential applicability of GSI criteria to impacted groundwater is to determine whether there is a relevant pathway for groundwater to vent to surface water. An enclosed sewer is excluded from the definition of...
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