Independent platform mapping U.S. drinking water safety. EPA UCMR5 PFAS data, Lead Service Line Inventory, and SDWIS violations — aggregated and ZIP-searchable. 48,105 systems. 50 states. Free, ad-free. http://h2owatch.io
Independent platform mapping U.S. drinking water safety. EPA UCMR5 PFAS data, Lead Service Line Inventory, and SDWIS violations — aggregated and ZIP-searchable. 48,105 systems. 50 states. Free, ad-free. http://h2owatch.io