Extent of available data.
Data Categories:Geology & Topography, Water
Data Source:MN Geological Survey
Update Fequency:None Planned
Tags:groundwater, Water Quality
This data layer indicates the level of copper in well water. It was developed by the Minnesota Geological Survey using data from the Minnesota Pollution Control Agency. It includes the chemistry of groundwater from 954 water wells that were sampled between 1993 and 1996. Copper is a naturally occuring metal. In small amounts, it is essential for human health. Exposure to elevated levels is a human health concern though. The Environmental Protection Agency Maximum Contaminant Level for public water systems is 1.3 mg of copper per liter of water. This geochemical data provides a regional context for understanding local groundwater chemistry.
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