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This data release provides total and aqueous arsenic (As) determinations and associated field readings collected from groundwater sampled from 254 newly constructed private residential wells between 2014 and 2016. The study focuses on three regions of Minnesota that differ geologically: south-central (herein called central), northwest, and northeast. These study regions were chosen due to their prevalent elevated As concentrations in drinking water. Each of the 254 wells were sampled in three rounds by the Minnesota Department of Health (MDH). The timing of the three sampling rounds was (1) immediately or shortly after well construction (round 1); (2) 3-6 months after initial sample collection (round 2); and (3)...
map background search result map search result map USGS Topo Map Vector Data (Vector) 1916 Automba, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2458 Barnum, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1916 Automba, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5647 Brookston, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10774 Cromwell SE, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16195 Foxboro, Wisconsin 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16195 Foxboro, Wisconsin 20220430 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20824 Holyoke, Minnesota 20220502 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36325 Prairie Lake, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36325 Prairie Lake, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49910 Wrenshall, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10773 Cromwell East, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19184 Hanging Horn Lake, Minnesota 20220507 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20003 Heikkila Creek, Minnesota 20220502 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32077 Nickerson, Minnesota 20220506 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38512 Ronald, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38512 Ronald, Minnesota 20220507 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39195 Saginaw, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40112 Sawyer, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 Arsenic and field parameter data USGS Topo Map Vector Data (Vector) 1916 Automba, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2458 Barnum, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1916 Automba, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5647 Brookston, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10774 Cromwell SE, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16195 Foxboro, Wisconsin 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16195 Foxboro, Wisconsin 20220430 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20824 Holyoke, Minnesota 20220502 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36325 Prairie Lake, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36325 Prairie Lake, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49910 Wrenshall, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10773 Cromwell East, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19184 Hanging Horn Lake, Minnesota 20220507 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20003 Heikkila Creek, Minnesota 20220502 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32077 Nickerson, Minnesota 20220506 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38512 Ronald, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38512 Ronald, Minnesota 20220507 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39195 Saginaw, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40112 Sawyer, Minnesota 20220507 for 7.5 x 7.5 minute FileGDB 10.1 Arsenic and field parameter data