Provenance record · src-sdwis-lcr
Safe Drinking Water Information System (SDWIS) — Lead & Copper Rule 90th-percentile results
90th-percentile lead results reported to SDWIS under the Lead & Copper Rule. A 90th-percentile summary describes sampled household taps across a system; individual homes with lead service lines or fixtures can differ.
Published public record
State SDWIS Compliance RecordSource typeU.S. Environmental Protection Agencypublisher
2024publication date
2026-07-09collected by PurityMap
3,757findings using this source
What this source covers
- Publisher
- U.S. Environmental Protection Agency
- Document type
- State SDWIS Compliance Record
- Coverage
- U.S. public water systems · Lead & Copper Rule monitoring (records since 1992)
- Publication date
- 2024
- Collected by PurityMap
- 2026-07-09
- Findings depending on it
- 3,757
Coverage & limitations
90th-percentile lead results reported to SDWIS under the Lead & Copper Rule. A 90th-percentile summary describes sampled household taps across a system; individual homes with lead service lines or fixtures can differ.
Original record
Inspect the source document directly from its publisher.
View the original recordUpdate history
- 2026-07-09: SDWIS Lead & Copper Rule 90th-percentile results ingested.
How to interpret this source
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