County · New York
Niagara County, New York: drinking water records
This overview covers 20 ZIP codes and 21 community water systems in Niagara County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Niagara Falls Water Board NY3100568 | 50,193 | 120 | 0 | 0 | 5.9 ppb |
| North Tonawanda City NY3100572 | 31,568 | 120 | 0 | 0 | 5.7 ppb |
| Lockport City WTP NY3100564 | 21,165 | 120 | 0 | 0 | 10 ppb |
| Lockport Town Wds NY3100563 | 21,105 | 120 | 0 | 0 | 2 ppb |
| Wheatfield WD NY3100585 | 18,117 | 120 | 0 | 0 | 0 ppb |
| Lewiston Water Improvementarea NY3100561 | 16,257 | 120 | 1 | 0 | 6 ppb |
| Newfane Town Wds NY3100573 | 9,304 | 120 | 1 | 0 | 1 ppb |
| Niagara Water Improvement Area NY3100571 | 8,100 | 120 | 0 | 0 | 1 ppb |
| Royalton Townwide Water Dist. NY3100580 | 7,710 | 120 | 0 | 0 | 0 ppb |
| Porter Master Improvement Area NY3100577 | 6,920 | 120 | 0 | 0 | 1 ppb |
| Pendleton Town WD NY3100574 | 6,050 | 240 | 0 | 0 | 6 ppb |
| Wilson Town Water District NY3100587 | 5,993 | 120 | 0 | 0 | 0 ppb |
| Cambria Water District NY3100557 | 5,839 | 120 | 0 | 0 | 2 ppb |
| Hartland WD NY3100588 | 4,117 | 120 | 0 | 0 | 0 ppb |
| Lewiston Village NY3100558 | 2,781 | 0 | 0 | 0 | 3 ppb |
| Somerset Consolidated WD NY3100583 | 2,723 | 0 | 0 | 0 | 1 ppb |
| Youngstown (V) NY3116262 | 2,021 | 0 | 0 | 0 | 1 ppb |
| Middleport Village NY3100566 | 1,917 | 0 | 0 | 0 | 7 ppb |
| Wilson Village NY3100586 | 1,213 | 0 | 0 | 0 | 6 ppb |
| Barker Village NY3100556 | 577 | 0 | 0 | 0 | 10 ppb |
| Niagara County Water District NY3100567 | 0 | 0 | 0 | 0 | 6 ppb |
ZIP reports in Niagara County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.