County · New York
Chautauqua County, New York: drinking water records
This overview covers 35 ZIP codes and 51 community water systems in Chautauqua County. It also stands in for 9 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 |
|---|---|---|---|---|---|
| Dunkirk City NY0600360 | 12,743 | 120 | 0 | 1 | 9.7 ppb |
| Jamestown Bpu NY0600366 | 46,712 | 120 | 0 | 0 | 3.1 ppb |
| Fredonia Village NY0600364 | 9,585 | 120 | 0 | 0 | 6.1 ppb |
| Chautauqua Utility District NY0600381 | 9,000 | 120 | 0 | 0 | 7.6 ppb |
| Westfield Village and Town NY0615782 | 3,890 | 120 | 0 | 0 | 1 ppb |
| Chautauqua Water District #2 NY0602924 | 490 | 0 | 0 | 27 | 1.3 ppb |
| Renwood Apartments CT0780171 | 190 | 0 | 0 | 4 | 0 ppb |
| Hunting Lodge Apartments CT0780091 | 115 | 0 | 0 | 1 | 0 ppb |
| North Chautauqua County Water District NY0630144 | 3,100 | 0 | 0 | 0 | 1.9 ppb |
| Silver Creek Village NY0600375 | 3,100 | 0 | 0 | 0 | 0.3 ppb |
| Brocton Portland Water District NY0630167 | 3,086 | 0 | 0 | 0 | 8.7 ppb |
| Carroll (T) Water District NY0600365 | 2,600 | 0 | 0 | 0 | 2.5 ppb |
| Hanover WD #1 5&20 Slvr Crk To Catt Crk NY0600393 | 2,173 | 0 | 0 | 0 | 2.1 ppb |
| Mayville Village NY0600368 | 1,856 | 0 | 0 | 0 | 0 ppb |
| Ripley Water District NY0600372 | 1,600 | 0 | 0 | 0 | 7.1 ppb |
| Hanover WD #3 - Forestville NY0600363 | 804 | 0 | 0 | 0 | 2.2 ppb |
| Sinclairville Village NY0600376 | 772 | 0 | 0 | 0 | 0 ppb |
| Sherman Village NY0600373 | 677 | 0 | 0 | 0 | 2.5 ppb |
| Clymer Water District NY0600359 | 650 | 0 | 0 | 0 | 3.1 ppb |
| Cassadaga Village NY0600356 | 608 | 0 | 0 | 0 | 5 ppb |
| Peek N Peak Recreation NY0611741 | 500 | 0 | 0 | 0 | 3.3 ppb |
| Cherry Creek Town NY0600358 | 440 | 0 | 0 | 0 | 1.1 ppb |
| Heritage Green Health Care Cen NY0619239 | 400 | 0 | 0 | 0 | 6 ppb |
| Pomfret Water District #8 - Lily Dale NY0630146 | 400 | 0 | 0 | 0 | 0 ppb |
| Pomfret North End Water District NY0630121 | 360 | 0 | 0 | 0 | 4.6 ppb |
ZIP reports in Chautauqua County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 14135, 14716, 14732, 14742, 14752, 14756, 14767, 14769, 14785.
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.