PlainWater

OPPENHEIM EPHRATAH ST. JOHNSVILLE CS

PWS ID: NY1702603 · ST. JOHNSVILLE, New York 13452

OPPENHEIM EPHRATAH ST. JOHNSVILLE CS serves 500 people in ST. JOHNSVILLE, New York using Groundwater water sources. It has 324 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OPPENHEIM EPHRATAH ST. JOHNSVILLE CS

OPPENHEIM EPHRATAH ST. JOHNSVILLE CS is a local-owned non-transient non-community water system that delivers drinking water to 500 residents in ST. JOHNSVILLE, New York (Fulton County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 318 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 13 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. OPPENHEIM EPHRATAH ST. JOHNSVILLE CS's 324 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
500
Total Violations
324
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Fulton
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
318
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 13 2018
Nitrate MR 13 2024
TTHM MR 12 2022
Total Haloacetic Acids (HAA5) MR 12 2022
Revised Total Coliform Rule MON 8 2024
cis-1,2-Dichloroethylene MR 7 2016
o-Dichlorobenzene MR 7 2016
1,1-Dichloroethylene MR 7 2016
Carbon tetrachloride MR 7 2016
Trichloroethylene MR 7 2016
1,1,2-Trichloroethane MR 7 2016
Tetrachloroethylene MR 7 2016
Benzene MR 7 2016
Toluene MR 7 2016
Ethylbenzene MR 7 2016
Styrene MR 7 2016
p-Dichlorobenzene MR 7 2016
Vinyl chloride MR 7 2016
1,1,1-Trichloroethane MR 7 2016
1,2-Dichloropropane MR 7 2016
CHLOROBENZENE MR 7 2016
trans-1,2-Dichloroethylene MR 7 2016
1,2,4-Trichlorobenzene MR 7 2016
1,2-Dichloroethane MR 7 2016
DICHLOROMETHANE MR 7 2016
Beryllium, Total MR 3 2005
Selenium MR 3 2005
Endrin MR 3 2015
Toxaphene MR 3 2015
Di(2-ethylhexyl) phthalate MR 3 2015

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 OPPENHEIM EPHRATAH ST. JOHNSVILLE CS.

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 NY1702603 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 OPPENHEIM EPHRATAH ST. JOHNSVILLE CS 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
2024 Nitrate MR 13 SDWIS / NY1702603 / 1040
2024 Revised Total Coliform Rule MON 8 SDWIS / NY1702603 / 8000
2022 TTHM MR 12 SDWIS / NY1702603 / 2950
2022 Total Haloacetic Acids (HAA5) MR 12 SDWIS / NY1702603 / 2456
2018 Lead and Copper Rule MR 13 SDWIS / NY1702603 / 5000
2016 cis-1,2-Dichloroethylene MR 7 SDWIS / NY1702603 / 2380
2016 o-Dichlorobenzene MR 7 SDWIS / NY1702603 / 2968
2016 1,1-Dichloroethylene MR 7 SDWIS / NY1702603 / 2977
2016 Carbon tetrachloride MR 7 SDWIS / NY1702603 / 2982
2016 Trichloroethylene MR 7 SDWIS / NY1702603 / 2984
2016 1,1,2-Trichloroethane MR 7 SDWIS / NY1702603 / 2985
2016 Tetrachloroethylene MR 7 SDWIS / NY1702603 / 2987
2016 Benzene MR 7 SDWIS / NY1702603 / 2990
2016 Toluene MR 7 SDWIS / NY1702603 / 2991
2016 Ethylbenzene MR 7 SDWIS / NY1702603 / 2992

How OPPENHEIM EPHRATAH ST. JOHNSVILLE CS Compares

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

Metric OPPENHEIM EPHRATAH ST. JOHNSVILLE CS New York avg Federal benchmark
Total violations 324 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 500 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 OPPENHEIM EPHRATAH ST. JOHNSVILLE CS water safe to drink?
OPPENHEIM EPHRATAH ST. JOHNSVILLE CS (PWS ID: NY1702603) has 324 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does OPPENHEIM EPHRATAH ST. JOHNSVILLE CS serve?
OPPENHEIM EPHRATAH ST. JOHNSVILLE CS serves 500 people in ST. JOHNSVILLE, New York. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does OPPENHEIM EPHRATAH ST. JOHNSVILLE CS have?
OPPENHEIM EPHRATAH ST. JOHNSVILLE CS has 324 total violations: 0 health-based violations (MCL exceedances or treatment failures), 318 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OPPENHEIM EPHRATAH ST. JOHNSVILLE CS water?
No PFAS testing data is available for OPPENHEIM EPHRATAH ST. JOHNSVILLE CS under the EPA's UCMR5 monitoring program.
What water source does OPPENHEIM EPHRATAH ST. JOHNSVILLE CS use?
OPPENHEIM EPHRATAH ST. JOHNSVILLE CS uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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