Draft Vulnerable Groundwater Area Maps

Draft Vulnerable Groundwater Area Maps

“The application of nitrogen fertilizer in the fall or on frozen soils will be restricted to quarter-sections of land where 50% or more of the quarter-section is in an area with vulnerable groundwater and in DWSMAs that have nitrate-nitrogen concentrations at or in excess of 5.4 mg/L nitrate-nitrogen. An area with vulnerable groundwater is an area where nitrate can move easily through soil and into groundwater, contaminating drinking water sources.” Minnesota Department of Agriculture

Vulnerable areas for Part 1 of the rule are defined as:

View the interactive Draft Vulnerable Groundwater Area Map or find the static map of your county from the list below.


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