Is your water system lead-free?
Search any US address, ZIP code, city, or water utility to see lead service line inventory data sourced directly from the EPA and local utilities under the 2024 Lead and Copper Rule Revisions (LCRR).
56,000+ public water systems · 4M+ known lead lines nationally · data refreshed monthly
Browse by state
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What you'll find on every page
Utility-level counts
Known lead, galvanized requiring replacement, and unknown service lines — pulled directly from each utility's LCRR inventory.
Replacement progress
Plan status, timeline, and how much BIL/IIJA federal funding has flowed to the utility.
Plain-English next steps
What 'unknown' actually means, how to get your water tested, and who is responsible for replacement.