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WATERLOO VILLAGE

PWS ID: NY4901199 · WATERLOO, New York 13165

WATERLOO VILLAGE serves 7,000 people in WATERLOO, New York using Surface Water water sources. It has 110 recorded EPA violations, including 4 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: WATERLOO VILLAGE

WATERLOO VILLAGE is a local-owned community water system that delivers drinking water to 7,000 residents in WATERLOO, New York (Seneca County) through 1,910 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 110 total violations for this system , of which 4 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 103 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 5 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 13.1 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. WATERLOO VILLAGE's 110 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
7,000
Total Violations
110
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,910
County
Seneca
School/Daycare
No
MCL Violations
4
Monitoring Violations
103
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 5 2024
Chlorine dioxide MR 4 2012
o-Dichlorobenzene MR 4 2015
p-Dichlorobenzene MR 4 2015
1,1,1-Trichloroethane MR 4 2015
Trichloroethylene MR 4 2015
1,1,2-Trichloroethane MR 4 2015
Tetrachloroethylene MR 4 2015
CHLOROBENZENE MR 4 2015
Benzene MR 4 2015
Ethylbenzene MR 4 2015
Total Haloacetic Acids (HAA5) MR 4 2016
Styrene MR 4 2015
1,1-Dichloroethylene MR 4 2015
DICHLOROMETHANE MR 4 2015
cis-1,2-Dichloroethylene MR 4 2015
1,2-Dichloroethane MR 4 2015
1,2,4-Trichlorobenzene MR 4 2015
Vinyl chloride MR 4 2015
Coliform (TCR) MCL 4 2014
Toluene MR 4 2015
1,2-Dichloropropane MR 4 2015
Carbon tetrachloride MR 4 2015
TTHM MR 4 2016
trans-1,2-Dichloroethylene MR 4 2015
Coliform (TCR) MR 3 2007
Nickel MR 2 2021
Revised Total Coliform Rule MON 1 2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/15/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/15/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/15/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/15/2023 13.1000 µg/L 9 µg/L Detected
8:2 FTS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/15/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/15/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/15/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/8/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 5/8/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected

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 WATERLOO VILLAGE.

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 NY4901199 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 WATERLOO VILLAGE 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 Lead and Copper Rule MR 5 SDWIS / NY4901199 / 5000
2021 Nickel MR 2 SDWIS / NY4901199 / 1036
2016 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NY4901199 / 2456
2016 TTHM MR 4 SDWIS / NY4901199 / 2950
2016 Revised Total Coliform Rule MON 1 SDWIS / NY4901199 / 8000
2015 o-Dichlorobenzene MR 4 SDWIS / NY4901199 / 2968
2015 p-Dichlorobenzene MR 4 SDWIS / NY4901199 / 2969
2015 1,1,1-Trichloroethane MR 4 SDWIS / NY4901199 / 2981
2015 Trichloroethylene MR 4 SDWIS / NY4901199 / 2984
2015 1,1,2-Trichloroethane MR 4 SDWIS / NY4901199 / 2985
2015 Tetrachloroethylene MR 4 SDWIS / NY4901199 / 2987
2015 CHLOROBENZENE MR 4 SDWIS / NY4901199 / 2989
2015 Benzene MR 4 SDWIS / NY4901199 / 2990
2015 Ethylbenzene MR 4 SDWIS / NY4901199 / 2992
2015 Styrene MR 4 SDWIS / NY4901199 / 2996

How WATERLOO VILLAGE Compares

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

Metric WATERLOO VILLAGE New York avg Federal benchmark
Total violations 110 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 7,000 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 WATERLOO VILLAGE water safe to drink? ▼
WATERLOO VILLAGE (PWS ID: NY4901199) has 110 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 7,000 people using Surface Water sources.
How many people does WATERLOO VILLAGE serve? ▼
WATERLOO VILLAGE serves 7,000 people in WATERLOO, New York. It is a Local-owned system using Surface Water water sources with 1,910 service connections.
What type of violations does WATERLOO VILLAGE have? ▼
WATERLOO VILLAGE has 110 total violations: 4 health-based violations (MCL exceedances or treatment failures), 103 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WATERLOO VILLAGE water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in WATERLOO VILLAGE's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does WATERLOO VILLAGE use? ▼
WATERLOO VILLAGE 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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