The New England Interstate Water Pollution Control Commission compiles source water assessment for interstate source waters, and provides GIS data. The document provides information on regulation, delineation, inventory, management, contingency planning, enforcement, and progress measurements.
The EPA's DWMAPS is an online mapping tool designed to help concerned citizens and resource managers find information about drinking water in their communities and take action to protect their source water.
Ohio EPA collects and reports information on groundwater quality, and provides data from groundwater monitoring.
The Indiana Department of Environmental Management's Ground Water Section maintains the Indiana Wellhead Protection Program. Indiana's Wellhead Protection page includes information on project implementation and featured communities.
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 Pennsylvania Rural Water Authority provides free technical assistance to small community water and wastewater systems. The PRWA Source Water Protection Program assists communities with wellhead protection and surface water protection, and provides templates to facilitate source water protection plan development.
The Michigan Wellhead Protection program page includes information on Wellhead Protection education, training, regulations, and funding.
This project develops guidance for water system professionals to effectively communicate information about contaminants of emerging concerns to the public.
The PA DEP open data portal provides GIS data for drinking water, water quality, and other resources.