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NAPANOCH WATER DISTRICT

PWS ID: NY5530232 · ELLENVILLE, New York 12428

NAPANOCH WATER DISTRICT serves 400 people in ELLENVILLE, New York using Groundwater water sources. It has 167 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NAPANOCH WATER DISTRICT

NAPANOCH WATER DISTRICT is a local-owned community water system that delivers drinking water to 400 residents in ELLENVILLE, New York (Ulster County) through 160 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 167 total violations for this system , of which 9 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 142 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 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. NAPANOCH WATER DISTRICT's 167 violations sit above the New York average. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%). 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
400
Total Violations
167
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
160
County
Ulster
School/Daycare
No
MCL Violations
5
Monitoring Violations
142
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2012
Coliform (TCR) MR 6 2009
Consumer Confidence Rule Other 6 2010
Coliform (TCR) MCL 5 2007
Lead and Copper Rule TT 4 2008
Mercury MR 3 2005
Nickel MR 3 2005
Antimony, Total MR 3 2005
Beryllium, Total MR 3 2005
Thallium, Total MR 3 2005
Selenium MR 3 2005
Methoxychlor MR 3 2005
Dalapon MR 3 2005
Di(2-ethylhexyl) adipate MR 3 2005
Simazine MR 3 2005
Picloram MR 3 2005
Dinoseb MR 3 2005
Hexachlorocyclopentadiene MR 3 2005
Aldicarb sulfoxide MR 3 2005
Aldicarb sulfone MR 3 2005
LASSO MR 3 2005
Heptachlor MR 3 2005
2,4-D MR 3 2005
2,4,5-TP MR 3 2005
Total Polychlorinated Biphenyls (PCB) MR 3 2005
ETHYLENE DIBROMIDE MR 3 2005
Chlordane MR 3 2005
Arsenic MR 3 2005
Barium MR 3 2005
Cadmium MR 3 2005

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 NAPANOCH 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 NY5530232 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 NAPANOCH 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
2012 Lead and Copper Rule MR 10 SDWIS / NY5530232 / 5000
2010 Consumer Confidence Rule Other 6 SDWIS / NY5530232 / 7000
2009 Coliform (TCR) MR 6 SDWIS / NY5530232 / 3100
2008 Lead and Copper Rule TT 4 SDWIS / NY5530232 / 5000
2008 Total Haloacetic Acids (HAA5) MR 3 SDWIS / NY5530232 / 2456
2008 TTHM MR 3 SDWIS / NY5530232 / 2950
2007 Coliform (TCR) MCL 5 SDWIS / NY5530232 / 3100
2005 Mercury MR 3 SDWIS / NY5530232 / 1035
2005 Nickel MR 3 SDWIS / NY5530232 / 1036
2005 Antimony, Total MR 3 SDWIS / NY5530232 / 1074
2005 Beryllium, Total MR 3 SDWIS / NY5530232 / 1075
2005 Thallium, Total MR 3 SDWIS / NY5530232 / 1085
2005 Selenium MR 3 SDWIS / NY5530232 / 1045
2005 Methoxychlor MR 3 SDWIS / NY5530232 / 2015
2005 Dalapon MR 3 SDWIS / NY5530232 / 2031

How NAPANOCH WATER DISTRICT Compares

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

Metric NAPANOCH WATER DISTRICT New York avg Federal benchmark
Total violations 167 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 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 400 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NAPANOCH WATER DISTRICT water safe to drink?
NAPANOCH WATER DISTRICT (PWS ID: NY5530232) has 167 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Groundwater sources.
How many people does NAPANOCH WATER DISTRICT serve?
NAPANOCH WATER DISTRICT serves 400 people in ELLENVILLE, New York. It is a Local-owned system using Groundwater water sources with 160 service connections.
What type of violations does NAPANOCH WATER DISTRICT have?
NAPANOCH WATER DISTRICT has 167 total violations: 9 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NAPANOCH WATER DISTRICT water?
No PFAS testing data is available for NAPANOCH WATER DISTRICT under the EPA's UCMR5 monitoring program.
What water source does NAPANOCH WATER DISTRICT use?
NAPANOCH WATER DISTRICT uses Groundwater 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial