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Community Water System · PWS NY0301668

Johnson City Water Works

Johnson City, New York 13790 - drinking water served from groundwater sources to 16,578 people, tracked in EPA SDWIS and UCMR5.

16,578
People served
114
EPA violations
4
Health-based
3 PFAS
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Johnson City Water Works, 4% of them health-based - above the New York per-system average, and UCMR5 testing detected 3 PFAS compounds.

114
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
16,578
People served by this system
3
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Johnson City Water Works

Johnson City Water Works is a local-owned community water system that delivers drinking water to 16,578 residents in Johnson City, New York (Broome County) through 5,622 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 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 108 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is cis-1,2-Dichloroethylene, recorded in 4 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 9.9 ppt (parts per trillion). 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. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Johnson City Water Works's 114 violations sit above the New York average.

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

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

Population Served
16,578
Total Violations
114
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,622
County
Broome
School/Daycare
No
MCL Violations
4
Monitoring Violations
108
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 4 2011
DICHLOROMETHANE MR 4 2011
p-Dichlorobenzene MR 4 2011
1,1-Dichloroethylene MR 4 2011
trans-1,2-Dichloroethylene MR 4 2011
1,1,1-Trichloroethane MR 4 2011
Carbon tetrachloride MR 4 2011
1,2-Dichloropropane MR 4 2011
Trichloroethylene MR 4 2011
CHLOROBENZENE MR 4 2011
Styrene MR 4 2011
o-Dichlorobenzene MR 4 2011
1,1,2-Trichloroethane MR 4 2011
Tetrachloroethylene MR 4 2011
1,2-Dichloroethane MR 4 2011
Vinyl chloride MR 4 2011
Benzene MR 4 2011
Toluene MR 4 2011
Ethylbenzene MR 4 2011
1,2,4-Trichlorobenzene MR 4 2011
Coliform (TCR) MCL 3 2012
Arsenic MR 2 2015
Barium MR 2 2015
Cadmium MR 2 2015
Chromium MR 2 2015
CYANIDE MR 2 2015
Fluoride MR 2 2015
Beryllium, Total MR 2 2015
Thallium, Total MR 2 2015
TTHM MR 2 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 14 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/27/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/27/2023 9.10 ppt 3.00 ppt Detected
PFMPA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/27/2023 5.90 ppt 5.00 ppt Detected
ADONA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/27/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/27/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/27/2023 4.80 ppt 3.00 ppt Detected
PFDoA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/27/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/27/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 9/27/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/19/2023 4.00 ppt 3.00 ppt Detected
PFMBA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/19/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/19/2023 <5.00 ppt 5.00 ppt 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 Johnson City 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 NY0301668 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 Johnson City 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
2015 Arsenic MR 2 SDWIS / NY0301668 / 1005
2015 Barium MR 2 SDWIS / NY0301668 / 1010
2015 Cadmium MR 2 SDWIS / NY0301668 / 1015
2015 Chromium MR 2 SDWIS / NY0301668 / 1020
2015 CYANIDE MR 2 SDWIS / NY0301668 / 1024
2015 Fluoride MR 2 SDWIS / NY0301668 / 1025
2015 Beryllium, Total MR 2 SDWIS / NY0301668 / 1075
2015 Thallium, Total MR 2 SDWIS / NY0301668 / 1085
2015 Nickel MR 2 SDWIS / NY0301668 / 1036
2015 Mercury MR 2 SDWIS / NY0301668 / 1035
2015 Selenium MR 2 SDWIS / NY0301668 / 1045
2015 Antimony, Total MR 2 SDWIS / NY0301668 / 1074
2012 Coliform (TCR) MCL 3 SDWIS / NY0301668 / 3100
2011 cis-1,2-Dichloroethylene MR 4 SDWIS / NY0301668 / 2380
2011 DICHLOROMETHANE MR 4 SDWIS / NY0301668 / 2964

How Johnson City Water Works Compares

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

Metric Johnson City Water Works New York avg Federal benchmark
Total violations 114 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 3 compounds 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 16,578 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Johnson City Water Works water safe to drink? ▼
Johnson City Water Works (PWS ID: NY0301668) has 114 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 16,578 people using Groundwater sources.
How many people does Johnson City Water Works serve? ▼
Johnson City Water Works serves 16,578 people in Johnson City, New York. It is a Local-owned system using Groundwater water sources with 5,622 service connections.
What type of violations does Johnson City Water Works have? ▼
Johnson City Water Works has 114 total violations: 4 health-based violations (MCL exceedances or treatment failures), 108 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Johnson City Water Works water? ▼
Yes. UCMR5 testing detected 3 PFAS compounds in Johnson City Water Works's water supply: PFPeA, PFBA, PFHxA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Johnson City Water Works use? ▼
Johnson City Water Works 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.