County · New York
Seneca County, New York: drinking water records
This overview covers 8 ZIP codes and 26 community water systems in Seneca County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Seneca Falls NY4901198 | 9,400 | 120 | 0 | 0 | 2 ppb |
| Waterloo Village NY4901199 | 7,000 | 120 | 0 | 0 | 9.6 ppb |
| Ovid Village NY4901195 | 990 | 0 | 0 | 1 | 5.7 ppb |
| Willard Water District NY4901200 | 372 | 0 | 0 | 2 | 10.2 ppb |
| Seneca County Water District #1 NY4912215 | 1,820 | 0 | 0 | 0 | 8.3 ppb |
| Border City Water District NY4911740 | 1,600 | 0 | 0 | 0 | 8.3 ppb |
| Interlaken Village NY4901194 | 650 | 0 | 0 | 0 | 2.3 ppb |
| Cayuga Lake Water District # 3 NY4930009 | 432 | 0 | 0 | 0 | 1 ppb |
| Junius Water District #1 NY4930001 | 400 | 0 | 0 | 0 | 8.3 ppb |
| Seneca Lake Water District #1 NY4930002 | 333 | 0 | 0 | 0 | 8.3 ppb |
| Town of Waterloo Water District NY4940015 | 250 | 0 | 0 | 0 | 8.3 ppb |
| Fayette Water District #2 NY4930010 | 228 | 0 | 0 | 0 | 8.3 ppb |
| Romulus Water District NY4910642 | 213 | 0 | 0 | 0 | 8.3 ppb |
| Burgess Road Water District NY4925000 | 200 | 0 | 0 | 0 | 8.3 ppb |
| Tyre Water District #1 NY4930090 | 150 | 0 | 0 | 0 | 8.3 ppb |
| Varick Water District #4 NY4914541 | 150 | 0 | 0 | 0 | 1 ppb |
| Fayette Water District #5 NY4911004 | 100 | 0 | 0 | 0 | 8.3 ppb |
| Fayette Water District #7 NY4941316 | 100 | 0 | 0 | 0 | 1 ppb |
| Fayette Water District #1 NY4901201 | 99 | 0 | 0 | 0 | 8.3 ppb |
| Varick Water District NY4910643 | 63 | 0 | 0 | 0 | 8.3 ppb |
| Fingerlakes Mobile Home Park NY4900686 | 50 | 0 | 0 | 0 | 4.6 ppb |
| Junius Water District #3 NY4952683 | 50 | 0 | 0 | 0 | 8.3 ppb |
| Varick Water District #3 NY4911003 | 50 | 0 | 0 | 0 | 8.3 ppb |
| Willard Drug Treatment Center NY4910589 | 50 | 0 | 0 | 0 | 10.2 ppb |
| South Pre-Emption Water District NY4998097 | 30 | 0 | 0 | 0 | 91.4 ppb |
ZIP reports in Seneca 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: 14860.
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.