Global Lead Service Line Inventory (U.S. EPA)
EPA-mandated public water system lead service line inventories published under the Lead and Copper Rule Revisions (LCRR), aggregated via state portals and federal data releases for transparency.
epa.gov
At a glance
- Region
- United States (North America)
- Coverage
- National (public water systems)
- Access
- Free
- Category
- Government
What's inside
- Lead
- Drinking Water Quality
- Infrastructure
- Equity
What you can do with it
Typical work that data of this type supports.
- 01
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Drinking Water Quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Coverage gaps
Find who lacks safe water or sanitation.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
- 02
Anomaly alerts
Catch sudden spikes in sensor or lab data automatically.
- 03
Failure prediction
Predict pipe bursts and plant failures before they happen.
Related water data
- U.S. Indian Health Service (IHS) Sanitation Deficiency SystemNorth America | Limited
- EPA UCMR 5 PFAS Drinking Water DataNorth America | Free
- EWG Tap Water Database (2025 Edition)North America | Free
- California Division of Drinking Water PFAS DataNorth America | Free
- EWG Arsenic, Nitrate & Chromium-6 Co-occurrence MapNorth America | Free
- EWG National Nitrate Analysis Interactive MapNorth America | Free
Find more water data
Search and compare 1,900+ water data sources by region, type and access.