20230517 10482800 1.0 TRUE Wellhead Protection Areas Wellhead Protection Area (WHPA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply well or well field that supplies a public water system, through which contaminants are likely to move toward and reach the well or well field. See https://gisdata.mn.gov/dataset/water-wellhead-protection-areas for more info. Minnesota Department of Health (MDH)