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CORNING CITY

PWS ID: NY5001209 · CORNING, New York 14830

CORNING CITY serves 10,300 people in CORNING, New York using Groundwater water sources. It has 107 recorded EPA violations, including 7 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (2 compounds found).

Water Quality Snapshot: CORNING CITY

CORNING CITY is a local-owned community water system that delivers drinking water to 10,300 residents in CORNING, New York (Steuben County) through 4,200 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 107 total violations for this system , of which 7 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 85 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 Coliform (TCR), recorded in 7 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0122 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. CORNING CITY's 107 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

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

Population Served
10,300
Total Violations
107
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,200
County
Steuben
School/Daycare
No
MCL Violations
7
Monitoring Violations
85
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 7 2010
Toxaphene MR 3 2021
Di(2-ethylhexyl) adipate MR 3 2021
OXAMYL MR 3 2021
Simazine MR 3 2021
Di(2-ethylhexyl) phthalate MR 3 2021
Dinoseb MR 3 2021
Hexachlorocyclopentadiene MR 3 2021
Carbofuran MR 3 2021
Aldicarb MR 3 2021
Atrazine MR 3 2021
LASSO MR 3 2021
Heptachlor epoxide MR 3 2021
2,4,5-TP MR 3 2021
HEXACHLOROBENZENE MR 3 2021
Total Polychlorinated Biphenyls (PCB) MR 3 2021
Chlordane MR 3 2021
Methoxychlor MR 3 2021
Picloram MR 3 2021
BHC-GAMMA MR 3 2021
LEAD AND COPPER RULE REVISIONS RPT 3 2024
2,4-D MR 3 2021
ETHYLENE DIBROMIDE MR 3 2021
Aldicarb sulfoxide MR 3 2021
Heptachlor MR 3 2021
Endrin MR 3 2021
Dalapon MR 3 2021
Benzo(a)pyrene MR 3 2021
Pentachlorophenol MR 3 2021
Aldicarb sulfone MR 3 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 5/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/23/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/23/2023 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/23/2023 0.0051 µg/L 0.003 µg/L Detected
HFPO-DA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/23/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/23/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/23/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/23/2023 <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 CORNING CITY.

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 NY5001209 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 CORNING CITY 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 REVISIONS RPT 3 SDWIS / NY5001209 / 5200
2021 Toxaphene MR 3 SDWIS / NY5001209 / 2020
2021 Di(2-ethylhexyl) adipate MR 3 SDWIS / NY5001209 / 2035
2021 OXAMYL MR 3 SDWIS / NY5001209 / 2036
2021 Simazine MR 3 SDWIS / NY5001209 / 2037
2021 Di(2-ethylhexyl) phthalate MR 3 SDWIS / NY5001209 / 2039
2021 Dinoseb MR 3 SDWIS / NY5001209 / 2041
2021 Hexachlorocyclopentadiene MR 3 SDWIS / NY5001209 / 2042
2021 Carbofuran MR 3 SDWIS / NY5001209 / 2046
2021 Aldicarb MR 3 SDWIS / NY5001209 / 2047
2021 Atrazine MR 3 SDWIS / NY5001209 / 2050
2021 LASSO MR 3 SDWIS / NY5001209 / 2051
2021 Heptachlor epoxide MR 3 SDWIS / NY5001209 / 2067
2021 2,4,5-TP MR 3 SDWIS / NY5001209 / 2110
2021 HEXACHLOROBENZENE MR 3 SDWIS / NY5001209 / 2274

How CORNING CITY Compares

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

Metric CORNING CITY New York avg Federal benchmark
Total violations 107 68.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 10,300 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 CORNING CITY water safe to drink? ▼
CORNING CITY (PWS ID: NY5001209) has 107 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 10,300 people using Groundwater sources.
How many people does CORNING CITY serve? ▼
CORNING CITY serves 10,300 people in CORNING, New York. It is a Local-owned system using Groundwater water sources with 4,200 service connections.
What type of violations does CORNING CITY have? ▼
CORNING CITY has 107 total violations: 7 health-based violations (MCL exceedances or treatment failures), 85 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CORNING CITY water? ▼
Yes. UCMR5 testing detected 2 PFAS compounds in CORNING CITY's water supply: PFBS, PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does CORNING CITY use? ▼
CORNING CITY uses Groundwater 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