The Department of Natural Resources adopted an order affecting ch. NR 809, relating to Interim Enhanced Surface Water Treatment Rule, radionuclide, total coliform, and other rules and updating analytical methods for public water systems. The Department also adopted an order affecting ch. NR 140, relating to groundwater quality standards. The order became effective February 1, 2008. http://www.legis.state.wi.us/rsb/code/register/reg625b.pdf p. 34.