Resources

The Minnesota Department of Health provides GIS shapefiles on drinking water protection area, as well sampling results of manganese, radionuclides, nitrates.

The Indiana Department of Environmental management provides source water assessments on community drinking water susceptibility to contamination.

The Indiana Department of Environmental Management conducts source water assessments for public water systems. This webpage provides links to access all available source water assessments for Indiana, which details drinking water sources and their susceptibility to contamination.

The Ganaraska Source Region in Ontario contains communities that source water from both groundwater and surface water communities. The source protection plan outlines policies and actions to protect the region's drinking water from potential contamination.

The Essex Source Region in Ontario contains communities that source water from Lake St. Clair, Detroit River, and Lake Erie. The source protection plan outlines policies and actions to protect the region's drinking water from potential contamination.

The Hamilton-Halton Source Region in Ontario contains communities that source water from Lake Ontario and underground aquifers. The source protection plan outlines policies and actions to protect the region's drinking water from potential contamination.

The CTC source protection plan protects water for residents of Toronto, Credit Valley, and Central Lake, Ontario. The plan outlines enforcement policies and land-use specific requirements for source water protection.

The U.S. EPA Drinking Water Action Plan outlines challenges facing drinking water infrastructure, and presents priorities for improving drinking water.

The USGS National Water Information System provides information on quantity, quality, distribution, and movement of surface water and groundwater for the United States.