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ST. JOHNSVILLE VILLAGE WATER WORKS

PWS ID: NY2800143 · ST. JOHNSVILLE, New York 13452

ST. JOHNSVILLE VILLAGE WATER WORKS serves 1,700 people in ST. JOHNSVILLE, New York using Surface Water water sources. It has 263 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST. JOHNSVILLE VILLAGE WATER WORKS

ST. JOHNSVILLE VILLAGE WATER WORKS is a local-owned community water system that delivers drinking water to 1,700 residents in ST. JOHNSVILLE, New York (Montgomery County) through 641 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 263 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 260 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Nitrate, recorded in 6 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. ST. JOHNSVILLE VILLAGE WATER WORKS's 263 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
1,700
Total Violations
263
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
641
County
Montgomery
School/Daycare
No
MCL Violations
0
Monitoring Violations
260
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 6 2017
Arsenic MR 6 2017
Chromium MR 6 2017
CYANIDE MR 6 2017
Nickel MR 6 2017
Antimony, Total MR 6 2017
Beryllium, Total MR 6 2017
Selenium MR 6 2017
Thallium, Total MR 6 2017
Fluoride MR 6 2017
Barium MR 6 2017
Cadmium MR 6 2017
Mercury MR 6 2017
Aldicarb sulfone MR 4 2001
Hexachlorocyclopentadiene MR 4 2001
Picloram MR 4 2001
OXAMYL MR 4 2001
Chlordane MR 4 2001
Benzo(a)pyrene MR 4 2001
HEXACHLOROBENZENE MR 4 2001
ETHYLENE DIBROMIDE MR 4 2001
2,4,5-TP MR 4 2001
Coliform (TCR) MR 4 1998
Heptachlor MR 4 2001
Atrazine MR 4 2001
Aldicarb MR 4 2001
Dalapon MR 4 2001
BHC-GAMMA MR 4 2001
Toxaphene MR 4 2001
2,4-D MR 4 2001

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 ST. JOHNSVILLE VILLAGE WATER WORKS.

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 NY2800143 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 ST. JOHNSVILLE VILLAGE WATER WORKS 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
2025 Revised Total Coliform Rule MON 3 SDWIS / NY2800143 / 8000
2021 Consumer Confidence Rule Other 1 SDWIS / NY2800143 / 7000
2017 Nitrate MR 6 SDWIS / NY2800143 / 1040
2017 Arsenic MR 6 SDWIS / NY2800143 / 1005
2017 Chromium MR 6 SDWIS / NY2800143 / 1020
2017 CYANIDE MR 6 SDWIS / NY2800143 / 1024
2017 Nickel MR 6 SDWIS / NY2800143 / 1036
2017 Antimony, Total MR 6 SDWIS / NY2800143 / 1074
2017 Beryllium, Total MR 6 SDWIS / NY2800143 / 1075
2017 Selenium MR 6 SDWIS / NY2800143 / 1045
2017 Thallium, Total MR 6 SDWIS / NY2800143 / 1085
2017 Fluoride MR 6 SDWIS / NY2800143 / 1025
2017 Barium MR 6 SDWIS / NY2800143 / 1010
2017 Cadmium MR 6 SDWIS / NY2800143 / 1015
2017 Mercury MR 6 SDWIS / NY2800143 / 1035

How ST. JOHNSVILLE VILLAGE WATER WORKS Compares

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

Metric ST. JOHNSVILLE VILLAGE WATER WORKS New York avg Federal benchmark
Total violations 263 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 1,700 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 ST. JOHNSVILLE VILLAGE WATER WORKS water safe to drink? ▼
ST. JOHNSVILLE VILLAGE WATER WORKS (PWS ID: NY2800143) has 263 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,700 people using Surface Water sources.
How many people does ST. JOHNSVILLE VILLAGE WATER WORKS serve? ▼
ST. JOHNSVILLE VILLAGE WATER WORKS serves 1,700 people in ST. JOHNSVILLE, New York. It is a Local-owned system using Surface Water water sources with 641 service connections.
What type of violations does ST. JOHNSVILLE VILLAGE WATER WORKS have? ▼
ST. JOHNSVILLE VILLAGE WATER WORKS has 263 total violations: 1 health-based violations (MCL exceedances or treatment failures), 260 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST. JOHNSVILLE VILLAGE WATER WORKS water? ▼
No PFAS testing data is available for ST. JOHNSVILLE VILLAGE WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does ST. JOHNSVILLE VILLAGE WATER WORKS use? ▼
ST. JOHNSVILLE VILLAGE WATER WORKS 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.

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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.

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