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WILLSBORO BAY WATER SUPPLY

PWS ID: NY1510644 · WILLSBORO, New York 12996

WILLSBORO BAY WATER SUPPLY serves 140 people in WILLSBORO, New York using Surface Water water sources. It has 44 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WILLSBORO BAY WATER SUPPLY

WILLSBORO BAY WATER SUPPLY is a local-owned transient non-community water system that delivers drinking water to 140 residents in WILLSBORO, New York (Essex County) through 46 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 8 (18%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2005.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 29 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. WILLSBORO BAY WATER SUPPLY's 44 violations sit below 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
140
Total Violations
44
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
46
County
Essex
School/Daycare
No
MCL Violations
0
Monitoring Violations
35
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 29 2005
Surface Water Treatment Rule TT 8 2002
Nitrite MR 5 2000
Nitrate MR 1 1998

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 WILLSBORO BAY WATER SUPPLY.

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 NY1510644 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 WILLSBORO BAY WATER SUPPLY 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
2005 Coliform (TCR) MR 29 SDWIS / NY1510644 / 3100
2002 Surface Water Treatment Rule TT 8 SDWIS / NY1510644 / 0200
2000 Nitrite MR 5 SDWIS / NY1510644 / 1041
1998 Nitrate MR 1 SDWIS / NY1510644 / 1040

How WILLSBORO BAY WATER SUPPLY Compares

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

Metric WILLSBORO BAY WATER SUPPLY New York avg Federal benchmark
Total violations 44 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 140 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 WILLSBORO BAY WATER SUPPLY water safe to drink?
WILLSBORO BAY WATER SUPPLY (PWS ID: NY1510644) has 44 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 140 people using Surface Water sources.
How many people does WILLSBORO BAY WATER SUPPLY serve?
WILLSBORO BAY WATER SUPPLY serves 140 people in WILLSBORO, New York. It is a Local-owned system using Surface Water water sources with 46 service connections.
What type of violations does WILLSBORO BAY WATER SUPPLY have?
WILLSBORO BAY WATER SUPPLY has 44 total violations: 8 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WILLSBORO BAY WATER SUPPLY water?
No PFAS testing data is available for WILLSBORO BAY WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does WILLSBORO BAY WATER SUPPLY use?
WILLSBORO BAY WATER SUPPLY uses Surface Water as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

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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