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UNION CITY MUNICIPAL AUTHORITY

PWS ID: PA6250064 · UNION CITY, Pennsylvania 16438

UNION CITY MUNICIPAL AUTHORITY serves 2,952 people in UNION CITY, Pennsylvania using Surface Water water sources. It has 629 recorded EPA violations, including 164 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: UNION CITY MUNICIPAL AUTHORITY

UNION CITY MUNICIPAL AUTHORITY is a local-owned community water system that delivers drinking water to 2,952 residents in UNION CITY, Pennsylvania (Erie County) through 1,131 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 629 total violations for this system , of which 164 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 359 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 Public Notice, recorded in 93 violations (Other). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. UNION CITY MUNICIPAL AUTHORITY's 629 violations sit above the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
2,952
Total Violations
629
Health-Based Violations
164
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,131
County
Erie
School/Daycare
No
MCL Violations
136
Monitoring Violations
359
Treatment Tech Violations
28

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 93 2025
Total Haloacetic Acids (HAA5) MCL 84 2025
TTHM MCL 48 2009
CARBON, TOTAL MR 46 2024
Surface Water Treatment Rule MR 30 2019
CARBON, TOTAL TT 20 2004
Total Haloacetic Acids (HAA5) MR 17 2017
Chlorine MR 13 2019
TTHM MR 10 2014
1,1-Dichloroethylene MR 10 2016
1,2-Dichloroethane MR 10 2016
1,1,1-Trichloroethane MR 10 2016
Benzene MR 10 2016
p-Dichlorobenzene MR 10 2016
Carbon tetrachloride MR 10 2016
Trichloroethylene MR 10 2016
Consumer Confidence Rule Other 9 2007
Styrene MR 9 2016
Surface Water Treatment Rule TT 8 2004
2,4-D MR 8 2023
o-Dichlorobenzene MR 8 2016
CHLOROBENZENE MR 8 2016
cis-1,2-Dichloroethylene MR 8 2016
DICHLOROMETHANE MR 8 2016
trans-1,2-Dichloroethylene MR 8 2016
Tetrachloroethylene MR 8 2016
Toluene MR 8 2016
Ethylbenzene MR 8 2016
1,2-Dichloropropane MR 8 2016
1,1,2-Trichloroethane MR 8 2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 8/22/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/22/2023 <9 µg/L 9 µg/L Not Detected
PFUnA 8/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/16/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/16/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/16/2023 <0.005 µg/L 0.005 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 UNION CITY MUNICIPAL AUTHORITY.

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 PA6250064 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects UNION CITY MUNICIPAL AUTHORITY under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP — Bureau of Safe Drinking Water

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 Public Notice Other 93 SDWIS / PA6250064 / 7500
2025 Total Haloacetic Acids (HAA5) MCL 84 SDWIS / PA6250064 / 2456
2024 CARBON, TOTAL MR 46 SDWIS / PA6250064 / 2920
2023 2,4-D MR 8 SDWIS / PA6250064 / 2105
2023 Dalapon MR 6 SDWIS / PA6250064 / 2031
2019 Surface Water Treatment Rule MR 30 SDWIS / PA6250064 / 0200
2019 Chlorine MR 13 SDWIS / PA6250064 / 0999
2017 Total Haloacetic Acids (HAA5) MR 17 SDWIS / PA6250064 / 2456
2017 Picloram MR 6 SDWIS / PA6250064 / 2040
2017 Pentachlorophenol MR 6 SDWIS / PA6250064 / 2326
2017 Endothall MR 4 SDWIS / PA6250064 / 2033
2017 Dinoseb MR 4 SDWIS / PA6250064 / 2041
2017 2,3,7,8-TCDD MR 4 SDWIS / PA6250064 / 2063
2017 2,4,5-TP MR 4 SDWIS / PA6250064 / 2110
2016 1,1-Dichloroethylene MR 10 SDWIS / PA6250064 / 2977

How UNION CITY MUNICIPAL AUTHORITY Compares

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

Metric UNION CITY MUNICIPAL AUTHORITY Pennsylvania avg Federal benchmark
Total violations 629 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 164 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,952 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

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 UNION CITY MUNICIPAL AUTHORITY water safe to drink? ▼
UNION CITY MUNICIPAL AUTHORITY (PWS ID: PA6250064) has 629 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,952 people using Surface Water sources.
How many people does UNION CITY MUNICIPAL AUTHORITY serve? ▼
UNION CITY MUNICIPAL AUTHORITY serves 2,952 people in UNION CITY, Pennsylvania. It is a Local-owned system using Surface Water water sources with 1,131 service connections.
What type of violations does UNION CITY MUNICIPAL AUTHORITY have? ▼
UNION CITY MUNICIPAL AUTHORITY has 629 total violations: 164 health-based violations (MCL exceedances or treatment failures), 359 monitoring/reporting violations, and 28 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in UNION CITY MUNICIPAL AUTHORITY water? ▼
No. UNION CITY MUNICIPAL AUTHORITY was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does UNION CITY MUNICIPAL AUTHORITY use? ▼
UNION CITY MUNICIPAL AUTHORITY 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