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Permittee Minnesota Department of Natural Resources W.!ter Appropriations Permits1 Centerville Area Resource Permit # Permitted MGIY2 2002 Reported Pum a e 'Gordoii'Rehbein Farms Groundwater '776489" 55.3 Lacasse, C ril Groundwater awrA 776104 24.0 2.4 Lino lakes \Nell #4 Groundwater CSTl 856168-4 335.03 69.1 1 adapted from the State Water Use Data System (SWU DS) 2 million gallons per year for all wells permitted 3 This ermitted number is for the total withdrawal b Lino lakes' 4 wells Water Quality Data Elements Protection of quality of surface and groundwater resources is primarily the responsibility of the Minnesota Pollution Control Agency (MPCA). The MPCA is responsible for administering the provisions of the federal Clean Water Act in Minnesota. To coordinate the protection of surface water resources the MPCA has organized its management programs based on the 10 major drainage basins. All of Centerville is within the Upper Mississippi River Basin. The Basin is made up of numerous watersheds including the Rice Creek Watershed. The Basin approach improves State coordination with local watershed districts. Surface Water Quality The MPCA has listed Clearwater Creek (Peltier lake to Bald Eagle Lake), Centerville lake and Peltier lake in its 2002 Clean Water Act section 303d List of Impaired waters. To respond to the degradation of these surface water resources the MPCA has established Target Maximum Dailey loads (TMDL) of the pollutant cause of the impairment. The City is coordinating efforts with the Rice Creek Watershed District to improve the quality of its surface water resources. Groundwater Quality Groundwater samples from the City's wells are routinely collected and analyzed for a wide variety of elements, minerals, compounds, and radioactive substances. Annual reports of the results of the analysis of City water are provided to users of the water system and available at City Hall. No contaminants have been detected in the City water supply at or above the State regulatory standards. The result of a tritium test of Well #2 indicates that the well is susceptible to rapid infiltrations (since 1953) of surface water. Currently, some contaminants were detected in trace amounts below action limits including lead and copper. The highest level of Nitrate (as Nitrogen measured in milligrams per liter) measured in the water is 0.45 mg/L. Appendix 3 provides the Centerville's 2006 Drinking Water Report II. ASSESSMENT OF DATA ELEMENTS Precipitation, Soils and Surface Water Precipitation, soils, and surface water are not wellhead protection pianning elements because July 3, 2007 DRAFT Centerville Wellhead Protection Plan (Part 2) Page 9