This mapping webpage evaluates potential groundwater pollution areas for each Ohio county.
The Michigan Wellhead Protection program page includes information on Wellhead Protection education, training, regulations, and funding.
The Minnesota Pollution Control Agency implements wellhead protection areas to prevent contamination within water supply recharge areas. This webpage provides resources for communities seeking to implement wellhead protection programs.
The New York Department of Health Wellhead Protection Program webpage provides an overview of New York's wellhead protection, and guidance for implementing wellhead programs.
The Ohio Environmental Protection Agency outlines the implementation of wellhead protection program, including regulations and requirements.
The Pennsylvania Wellhead Protection Plan outlines implementation of wellhead protection, including area delineation, contaminant identification, contingency planning, and management approaches.
The Illinois Environmental Protection Agency provides an online GIS webpage containing spatial data relevant to source water assessment and protection, including information on geology, groundwater, and agriculture.
Ontario's Source Water Protection Information Atlas provides spatial data on source water protection areas for surface water intakes and groundwater.
The Wisconsin Department of Natural Resources provides an overview of their source water protection program, including wellhead protection information, and links to community source water assessments.