recorded source entity

Safe Drinking Water Information System

Public water-system compliance and enforcement data.

Stable source ID: src:epa-sdwis
Issuer: U.S. Environmental Protection Agency
Source type: official utility compliance dataset
Jurisdiction: United States
As of / cadence: Quarterly/periodic
Accessed: 2026-07-21
Verification-state description: official_page_identified
Roles: measures; systems; implementation

Scope and limitations

Public water-system compliance and enforcement data.

Limitations: Reported violations and enforcement records do not capture every exposure or infrastructure need.

Open external source

Issue packet placements

21 issue packet placement(s). A placement does not extend the source beyond its recorded scope.

Animal Welfare & Humane Systems · Climate, Environment, Land & Resilience
Biodiversity, Conservation & Ecosystem Restoration · Climate, Environment, Land & Resilience
Climate Mitigation, Decarbonization & Clean Energy · Climate, Environment, Land & Resilience
Coastal Climate Risk & Insurance · Climate, Environment, Land & Resilience
Disaster Recovery & Community Resilience · Climate, Environment, Land & Resilience
Energy Affordability & Just Transition · Climate, Environment, Land & Resilience
Extraction, Land Use & Community Consent · Climate, Environment, Land & Resilience
Environmental Justice, Pollution & Toxic Exposure · Climate, Environment, Land & Resilience
Housing Supply, Zoning & Inclusive Land Use · Regional & Place-Based Issues
Inland Water, Drought & Heat · Climate, Environment, Land & Resilience
Public Infrastructure & Civic-Realm Resilience · Regional & Place-Based Issues
Public Transit, Safe Streets & Mobility Access · Regional & Place-Based Issues
Regional Labor-Market Transition · Economy, Labor, Wealth & Mobility
Rural Access & Service Capacity · Regional & Place-Based Issues
State & Local Policy Divergence · Regional & Place-Based Issues
Suburban Diversity & Institutional Access · Regional & Place-Based Issues
Territorial, Island & Commonwealth Status · Regional & Place-Based Issues
Transportation & Digital Connectivity · Technology, AI, Data & Platform Governance
Tribal, Frontier & Borderland Jurisdiction · Regional & Place-Based Issues
Urban Affordability & Displacement · Regional & Place-Based Issues
Water, Grid & Utility Modernization · Regional & Place-Based Issues

Publication and provenance

Published under research-publication-clearance-2026-07-21. deterministic validation and objective verification are not claimed.

Workbook SHA-256: 5612488c2e4edd2b42eed7c8bd97bb26f12a709d88d23b7101ea2fb7e7bbbdca.