County · New York
Rensselaer County, New York: drinking water records
This overview covers 26 ZIP codes and 37 community water systems in Rensselaer County. It also stands in for 11 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 |
|---|---|---|---|---|---|
| Troy City PWS NY4100050 | 51,401 | 120 | 0 | 3 | 10.6 ppb |
| East Greenbush General W.D. NY4100051 | 15,843 | 120 | 0 | 2 | 2.3 ppb |
| North Greenbush Consolidated District NY4130243 | 10,226 | 120 | 0 | 1 | 5 ppb |
| Rensselaer City PWS NY4100044 | 9,300 | 120 | 0 | 4 | 6.6 ppb |
| Brunswick Consolidated Water District NY4110144 | 7,050 | 120 | 0 | 3 | 7.6 ppb |
| Poestenkill WD#1 NY4130338 | 752 | 120 | 0 | 4 | 2 ppb |
| Hoosick Falls (V) PWS NY4100041 | 4,925 | 120 | 0 | 0 | 1 ppb |
| Schaghticoke Water District #2 NY4100048 | 600 | 0 | 0 | 2 | 2.5 ppb |
| Vanderheyden Hall , INC. NY4117236 | 280 | 0 | 0 | 2 | 1.3 ppb |
| Ravenwood Estates NY4110693 | 200 | 0 | 0 | 1 | 1 ppb |
| Woodside Mobile Home Park NY4130008 | 40 | 0 | 0 | 1 | 1 ppb |
| Castleton Village PWS NY4100035 | 2,413 | 0 | 0 | 0 | 2 ppb |
| Schaghticoke Consolidated WD #1 NY4100046 | 1,975 | 0 | 0 | 0 | 1.6 ppb |
| Schodack Consolidated Water District 101 NY4130317 | 1,946 | 0 | 0 | 0 | 2 ppb |
| Nassau (V) PWS NY4100042 | 1,250 | 0 | 0 | 0 | 6.4 ppb |
| Schaghticoke (V) PWS NY4100045 | 1,102 | 0 | 0 | 0 | 1 ppb |
| Schaghticoke Water District #3 NY4100062 | 1,100 | 0 | 0 | 0 | 2.3 ppb |
| Berlin Water District # 2 NY4104503 | 700 | 0 | 0 | 0 | 3.1 ppb |
| Oak Tree Village Apts ; Campground FL6422359 | 412 | 0 | 0 | 0 | 0 ppb |
| Cedar Acres Mobile Home Park NY4110695 | 276 | 0 | 0 | 0 | 2 ppb |
| Brunswick Water District #11 NY4130300 | 249 | 0 | 0 | 0 | 3.6 ppb |
| Petersburgh Water District NY4100043 | 240 | 0 | 0 | 0 | 2 ppb |
| Curtis Mobile Home Park NY4110696 | 210 | 0 | 0 | 0 | 1.1 ppb |
| Terrace Haven Mobile Home Park NY4110688 | 210 | 0 | 0 | 0 | 2.9 ppb |
| Brunswick WD# 16 NY4130339 | 200 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Rensselaer 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: 12040, 12052, 12062, 12063, 12082, 12121, 12153, 12156, 12169, 12185, 12196.
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.