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Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The County Well Index (CWI) is a PC-based database system developed by the Minnesota Geological Survey for the storage, retrieval, and editing of water well information. Data is entered into the database by staff at the Minnesota Geological Survey and the Minnesota Department of Health. The data base contains basic information on well records (e.g., location, depth, static water level) for wells drilled in Minnesota. The data base also includes information on well construction, stratigraphy, and some water chemistry for many of the wells. The data are grouped together by county. Most information in County Well Index is entered from the Water Well Driller Log form, which was submitted by the well driller to the Minnesota Department of Health at the time the well was constructed. Submission of a Water Well Driller Log is a requirement of the Minnesota Water Well Construction Code, passed by the State Legislature in 1974. While the County Well Index does not represent all wells in the state, it is the single most complete listing of state wells.</SPAN></P></DIV></DIV></DIV>