Sole Source Aquifers

{
  "id": "MLC-T-ENV-026053",
  "term": "Sole Source Aquifers",
  "field": "Environment",
  "definition": "1. The Sole Source Aquifer (https://www.epa.gov/dwssa) layer includes information on the sole source aquifers (SSA) designated by EPA under section 1424(e) of the Safe Drinking Water Act of 1974. SSA's supply at least 50 percent of the drinking water consumed in the area overlying the aquifer. These areas may have no alternative drinking water source(s) that could physically, legally and economically supply all those who depend on the aquifer for drinking water.\n\n2. Spatial Metadata: Sole Source Aquifers (https://nepassisttool.epa.gov/nepassist/metadata_soe.aspx?lyrIndex=3&service=NEPAssist/Water)",
  "subject": "General environmental",
  "references": [
    "SSA Locations",
    "Glossary of EJSCREEN Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/sole-source-aquifers/"
}