PlainWater
Counties → New York

Rensselaer County, New York

Water Systems
147
Population Served
135,298
Total Violations
3,867
299 health-based
PFAS Detected
1
of 7 tested

Violation Analysis

98.6%
Systems with Violations
26.3
Avg Violations per System
7.7%
Health-Based Violations

Water Source Types

GW
37 systems (25%)
SW
13 systems (9%)

PFAS Contamination

7
Systems Tested
1
PFAS Detected
14.3%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Rensselaer New York water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Troy City PWS 51,401 40 Clean
East Greenbush General W.D. 15,843 22 Clean
North Greenbush Consolidated District 10,226 15 Clean
Rensselaer City PWS 9,300 23 Clean
Brunswick Consolidated Water District 7,050 51 Clean
Hoosick Falls (V) PWS 4,925 12 Clean
Grafton Lakes State Park 2,500 4 -
Castleton Village PWS 2,413 6 -
Regeneron(temple Lane) 2,000 2 -
Schaghticoke Consolidated WD #1 1,975 25 -
Schodack Consolidated Water District 101 1,946 2 -
Hoosick Falls Central School 1,300 8 -
Nassau (V) PWS 1,250 8 -
Schaghticoke (V) PWS 1,102 14 -
Schaghticoke Water District #3 1,100 15 -
Averill Park High School 1,059 5 -
Algonquin School 1,000 5 -
Cumberland Farm #1619 805 32 -
Poestenkill Wd#1 752 34 Clean
Berlin Water District # 2 700 50 -
Schaghticoke Water District #2 600 24 -
Berlin Middle/High School 600 9 -
Camp Is-Sho-Da 587 22 -
Stewarts # 338 500 2 -
Miller Hill Elementary School 418 10 -
West Sand Lake Elem School 417 4 -
Saleems Food Mart 400 19 -
Daves Market 350 40 -
Rotary Scout Reservation 305 18 -
Pine Haven Mobile Court 300 10 -
Liberty Ridge Farms 300 21 -
Vanderheyden Hall , Inc. 280 42 -
Cedar Acres Mobile Home Park 276 2 -
Cherry Plain Day Use Area 275 8 -
Bennington Battlefield 250 5 -
Dunkin Wsl 250 7 -
Dunco Inc 250 54 -
Walgreens-West Sand Lake 250 23 -
Hoosac School 249 38 -
Brunswick Water District #11 249 32 -
Petersburgh Water District 240 77 -
Taconic 240 8 -
43 Mall LLC 235 25 -
Hanaford Brother (Wsl) 218 36 -
Terrace Haven Mobile Home Park 210 74 -
Curtis Mobile Home Park 210 11 -
Ravenwood Estates 200 108 -
Broken Wheel Campground 200 18 -
Aqua Vista 200 4 -
Herberts East/ Birch Hill 200 160 -

Other Counties in New York

Richmond County
1 systems · 8,271,000 served · 47 violations
Suffolk County
152 systems · 1,387,905 served · 3,402 violations
Nassau County
44 systems · 1,387,489 served · 7,471 violations
Westchester County
274 systems · 992,853 served · 15,832 violations
Erie County
108 systems · 955,615 served · 7,606 violations
Onondaga County
88 systems · 615,889 served · 2,561 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Rensselaer County? ▼
Rensselaer County has 3,867 total drinking water violations across 147 water systems, of which 299 are health-based violations. 98.6% of systems have at least one violation.
How many people get water from Rensselaer County systems? ▼
Water systems in Rensselaer County serve approximately 135,298 people through 147 public water systems.
Has PFAS been detected in Rensselaer County water? ▼
Of 7 water systems tested for PFAS in Rensselaer County, 1 had PFAS detected (14.3% detection rate).
What types of water sources supply Rensselaer County? ▼
Water systems in Rensselaer County use GW (37 systems), SW (13 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 7.7% of Rensselaer County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.