PlainWater

ILION (V) WATER WORKS

PWS ID: NY2102307 · ILION, New York 13357

ILION (V) WATER WORKS serves 8,053 people in ILION, New York using Surface Water water sources. It has 88 recorded EPA violations, including 9 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: ILION (V) WATER WORKS

ILION (V) WATER WORKS is a local-owned community water system that delivers drinking water to 8,053 residents in ILION, New York (Herkimer County) through 2,900 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 9 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 66 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 TTHM, recorded in 8 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 61.2 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. ILION (V) WATER WORKS's 88 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
8,053
Total Violations
88
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,900
County
Herkimer
School/Daycare
No
MCL Violations
8
Monitoring Violations
66
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 8 2003
Interim Enhanced Surface Water Treatment Rule MR 6 2016
1,2,4-Trichlorobenzene MR 3 2020
cis-1,2-Dichloroethylene MR 3 2020
p-Dichlorobenzene MR 3 2020
Vinyl chloride MR 3 2020
1,1-Dichloroethylene MR 3 2020
trans-1,2-Dichloroethylene MR 3 2020
1,2-Dichloroethane MR 3 2020
Carbon tetrachloride MR 3 2020
1,2-Dichloropropane MR 3 2020
1,1,2-Trichloroethane MR 3 2020
Ethylbenzene MR 3 2020
Styrene MR 3 2020
1,1,1-Trichloroethane MR 3 2020
Benzene MR 3 2020
CHLOROBENZENE MR 3 2020
Trichloroethylene MR 3 2020
o-Dichlorobenzene MR 3 2020
Toluene MR 3 2020
Tetrachloroethylene MR 3 2020
DICHLOROMETHANE MR 3 2020
Lead and Copper Rule TT 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 9/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 9/16/2025 34.2000 µg/L 9 µg/L Detected
PFBS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 6/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/10/2025 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 6/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
lithium 6/10/2025 53.0000 µg/L 9 µg/L Detected
PFTA 6/10/2025 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/10/2025 <0.006 µg/L 0.006 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 ILION (V) 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 NY2102307 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 ILION (V) 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 Lead and Copper Rule TT 1 SDWIS / NY2102307 / 5000
2020 1,2,4-Trichlorobenzene MR 3 SDWIS / NY2102307 / 2378
2020 cis-1,2-Dichloroethylene MR 3 SDWIS / NY2102307 / 2380
2020 p-Dichlorobenzene MR 3 SDWIS / NY2102307 / 2969
2020 Vinyl chloride MR 3 SDWIS / NY2102307 / 2976
2020 1,1-Dichloroethylene MR 3 SDWIS / NY2102307 / 2977
2020 trans-1,2-Dichloroethylene MR 3 SDWIS / NY2102307 / 2979
2020 1,2-Dichloroethane MR 3 SDWIS / NY2102307 / 2980
2020 Carbon tetrachloride MR 3 SDWIS / NY2102307 / 2982
2020 1,2-Dichloropropane MR 3 SDWIS / NY2102307 / 2983
2020 1,1,2-Trichloroethane MR 3 SDWIS / NY2102307 / 2985
2020 Ethylbenzene MR 3 SDWIS / NY2102307 / 2992
2020 Styrene MR 3 SDWIS / NY2102307 / 2996
2020 1,1,1-Trichloroethane MR 3 SDWIS / NY2102307 / 2981
2020 Benzene MR 3 SDWIS / NY2102307 / 2990

How ILION (V) WATER WORKS Compares

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

Metric ILION (V) WATER WORKS New York avg Federal benchmark
Total violations 88 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 1 compound 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,053 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 ILION (V) WATER WORKS water safe to drink?
ILION (V) WATER WORKS (PWS ID: NY2102307) has 88 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,053 people using Surface Water sources.
How many people does ILION (V) WATER WORKS serve?
ILION (V) WATER WORKS serves 8,053 people in ILION, New York. It is a Local-owned system using Surface Water water sources with 2,900 service connections.
What type of violations does ILION (V) WATER WORKS have?
ILION (V) WATER WORKS has 88 total violations: 9 health-based violations (MCL exceedances or treatment failures), 66 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ILION (V) WATER WORKS water?
Yes. UCMR5 testing detected 1 PFAS compound in ILION (V) WATER WORKS's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does ILION (V) WATER WORKS use?
ILION (V) 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.

Explore PlainWater

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.

Related

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