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Community Water System · PWS NY5503383

Rosendale Water District

Cottekill, New York 12419 - drinking water served from surface water sources to 2,200 people, tracked in EPA SDWIS and UCMR5.

2,200
People served
278
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 278 drinking-water violations at Rosendale Water District - above the New York per-system average.

278
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rosendale Water District

Rosendale Water District is a local-owned community water system that delivers drinking water to 2,200 residents in Cottekill, New York (Ulster County) through 580 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 278 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 264 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Rosendale Water District's 278 violations sit above the New York average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,200
Total Violations
278
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
580
County
Ulster
School/Daycare
No
MCL Violations
0
Monitoring Violations
264
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2008
Benzene MR 6 2004
Toluene MR 6 2004
Ethylbenzene MR 6 2004
Styrene MR 6 2004
cis-1,2-Dichloroethylene MR 6 2004
Coliform (TCR) MR 6 2015
DICHLOROMETHANE MR 6 2004
o-Dichlorobenzene MR 6 2004
p-Dichlorobenzene MR 6 2004
Vinyl chloride MR 6 2004
1,1-Dichloroethylene MR 6 2004
trans-1,2-Dichloroethylene MR 6 2004
1,2-Dichloropropane MR 6 2004
Tetrachloroethylene MR 6 2004
CHLOROBENZENE MR 6 2004
1,2,4-Trichlorobenzene MR 6 2004
1,2-Dichloroethane MR 6 2004
1,1,1-Trichloroethane MR 6 2004
Carbon tetrachloride MR 6 2004
Trichloroethylene MR 6 2004
1,1,2-Trichloroethane MR 6 2004
Arsenic MR 3 2004
Barium MR 3 2004
Cadmium MR 3 2004
Chromium MR 3 2004
Fluoride MR 3 2004
Mercury MR 3 2004
Nickel MR 3 2004
Antimony, Total MR 3 2004

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Rosendale Water District.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY5503383 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health, Public Water Systems is the primacy agency that licenses and inspects Rosendale Water District under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health, Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2015 Coliform (TCR) MR 6 SDWIS / NY5503383 / 3100
2014 Total Haloacetic Acids (HAA5) MR 3 SDWIS / NY5503383 / 2456
2014 TTHM MR 3 SDWIS / NY5503383 / 2950
2008 Lead and Copper Rule MR 12 SDWIS / NY5503383 / 5000
2004 Benzene MR 6 SDWIS / NY5503383 / 2990
2004 Toluene MR 6 SDWIS / NY5503383 / 2991
2004 Ethylbenzene MR 6 SDWIS / NY5503383 / 2992
2004 Styrene MR 6 SDWIS / NY5503383 / 2996
2004 cis-1,2-Dichloroethylene MR 6 SDWIS / NY5503383 / 2380
2004 DICHLOROMETHANE MR 6 SDWIS / NY5503383 / 2964
2004 o-Dichlorobenzene MR 6 SDWIS / NY5503383 / 2968
2004 p-Dichlorobenzene MR 6 SDWIS / NY5503383 / 2969
2004 Vinyl chloride MR 6 SDWIS / NY5503383 / 2976
2004 1,1-Dichloroethylene MR 6 SDWIS / NY5503383 / 2977
2004 trans-1,2-Dichloroethylene MR 6 SDWIS / NY5503383 / 2979

How Rosendale Water District Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Rosendale Water District New York avg Federal benchmark
Total violations 278 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,200 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Rosendale Water District water safe to drink? ▼
Rosendale Water District (PWS ID: NY5503383) has 278 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,200 people using Surface Water sources.
How many people does Rosendale Water District serve? ▼
Rosendale Water District serves 2,200 people in Cottekill, New York. It is a Local-owned system using Surface Water water sources with 580 service connections.
What type of violations does Rosendale Water District have? ▼
Rosendale Water District has 278 total violations: 1 health-based violations (MCL exceedances or treatment failures), 264 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rosendale Water District water? ▼
No PFAS testing data is available for Rosendale Water District under the EPA's UCMR5 monitoring program.
What water source does Rosendale Water District use? ▼
Rosendale Water District uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.