Section NR 665.0430 - Applicability(1) Except as provided in sub. (2), underground injection of any hazardous waste through a well is prohibited.(2) Underground injection of contaminated groundwater that meets the definition of hazardous waste or contains a hazardous waste may be allowed as part of a remedial action necessary for the cleanup of soil or groundwater contamination, and is not subject to the requirements of chs. NR 664 and 665 subchs. A to E, G, H and N, and chs. NR 668 and 670, provided that all of the following requirements are met: (a) A person who proposes to perform the injection obtains written approval from the department.(b) The criteria in s. NR 140.28(5) are met.(c) The contaminated groundwater is treated before it is injected.(d) The groundwater is injected into the same formation from which it was withdrawn.Wis. Admin. Code Department of Natural Resources NR 665.0430
CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06.