Source Water Protection Unit Staff Minnesota Department of Health - Environmental Health Division 651- 201-4700 651-201-4701 P.O box 64975 St. Paul MN 55164-0975 health.drinkingwater@state.mn.us 20190308 https://gisdata.mn.gov/dataset/water-drinking-water-supply Drinking Water Supply Management Area Vulnerability 2019-03-08 Minnesota Department of Health Minnesota Department of Health Drinking water supply management area (DWSMA) vulnerability is an assessment of the likelihood for a potential contaminant source within the drinking water supply management area to contaminate a public water supply well based on the aquifer's inherent geologic sensitivity; and the chemical and isotopic composition of the groundwater. This dataset was developed with the intention of protecting the public drinking water supply and complies with the federal Safe Drinking Water Act, United States Code, title 42 and the State of Minnesota Rule (parts 4720.5100 to 4720.5590). Source Water Protection Unit Staff Minnesota Department of Health - Environmental Health Division (651) 201-4700 (651) 201-4701 P.O box 64975 St. Paul MN 55164-0975 health.drinkingwater@state.mn.us https://resources.gisdata.mn.gov/pub/gdrs/data/pub/us_mn_state_health/water_drinking_water_supply/metadata/preview.jpg Vulnerability Assessments with DWSMA outlines Minnesota Drinking Water Supply Management Area, Groudwatershed, Vulnerability, Drinking water, Capture zone, Wellhead Protection MDH GID Data Keyword Thesaurus Drinking Water Supply Management Area, Groudwatershed, Vulnerability, Drinking water, Capture zone, Wellhead Protection Minnesota Geospatial data is provided "as-is". MDH makes no warranty, expressed or implied, and disclaims all implied warranties of the data for any purpose. MDH also does not warrant that the geospatial data is error free. The geospatial data was developed for MDH internal business purposes. MDH shall not be liable for any activity involving the geospatial data with respect to the following: a.) Lost profits, lost savings or any other consequential damages; b.) The fitness of the geospatial data for a particular purpose; or c.) The installation of the geospatial data, its use or the results obtained. Geospatial data is provided "as-is". MDH makes no warranty, expressed or implied, and disclaims all implied warranties of the data for any purpose. MDH also does not warrant that the geospatial data is error free. The geospatial data was developed for MDH internal business purposes. MDH shall not be liable for any activity involving the geospatial data with respect to the following: a.) Lost profits, lost savings or any other consequential damages; b.) The fitness of the geospatial data for a particular purpose; or c.) The installation of the geospatial data, its use or the results obtained. Drinking Water Supply Management Areas, Wellhead Protection Areas true -97.072169 -91.072169 48.805032 43.432979 This data is updated continuously, more frequently than the metadata. See more details in activity stream at https://gisdata.mn.gov/dataset/activity/water-drinking-water-supply 2019-03-08 Minnesota All approved DWSMA vulnerability areas that are active as of the temporal extent ending date. Minimum scale requirement for data and/or maps is 1:24,000. Type of Source Media: Hard Disk http://www.mngeo.state.mn.us/committee/standards/mgmg/metadata.htm drinking_water_supply_management_area_vulnerability Drinking Water Supply Management Area Vulnerability MDH FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. AREA PERIMETER DWSVUL_ID Drinking Water Supply Management Area Vulnerability ID MDH DWS_VUL_C DWSMA Vulnerability Code MDH VH Very High (This is no longer used and should be considered High) H High M Moderate L Low VL Very Low (This is no longer used and should be considered Low) U Unknown DWS_VUL DWSMA Vulnerability - The vulnerability of the DWSMA. Where the SWCA and GWCA overlap, the vulnerability is considered to be higher becasue the SWCA is always high. MDH as per DWS_VUL_C High Moderate Low Very High Very Low ACRES Acres of DWSMA vulnerability (derived) MDH AQ_VUL_C Aquifer Vulnerability Code (for public and regulatory use) MDH V Vulnerable N Not Vulnerable DWS_ID Drinking Water Supply Management Area ID MDH 1 dv_type_c DWSMA Vulnerability Type Code - The type of delineation the polygon represents. GW groundwater - There is only a GWCA at this location SW surface water - There is only a SWCA at this location GS The SWCA and GWCA overlap. The GWCA has a High Vulnerability SG The SWCA and GWCA overlap. The GWCA has a Low or Moderate vulnerability. GWCA_vul GWCA Vulnerability - The vulnerability of the GWCA. This may be different than the DWSMA vulnerability where the GWCA and SWCA overlap. MDH High High Vulnerability Moderate Moderate Vulnerability Low Low Vulnerability 1.0 20260331 07311700 TRUE