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Public water system record

Union City Municipal Authority

Serves Union City, Erie County, PA · 4,295 people served

Federal records show 2 health-based violations and 43 monitoring/reporting issues for Union City Municipal Authority in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • PA6250064
  • UNION CITY
  • PA
  • 4,295 served

System profile

Source water Surface water
ZIP 16438
EPA system ID PA6250064

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
43

Key facts

  • Union City Municipal Authority draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit), 2025.
  • Most recent formal enforcement: consent decree or court judgment by Pennsylvania, February 2006.
  • Record on file since 1982, with 34 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 931 unknown out of 1,239 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 220 Oct 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 220 Jul 1, 2025 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
 Feb 2, 2026 Resolved
Public Notice
OTHER
 Oct 29, 2025 Resolved
CARBON, TOTAL
Monitoring and reporting
 Apr 1, 2024 Resolved
Public Notice
OTHER
 Mar 11, 2024 Resolved
2,4-D
Monitoring and reporting
 Oct 1, 2023 Resolved
Dalapon
Monitoring and reporting
 Oct 1, 2023 Resolved
CARBON, TOTAL
Monitoring and reporting
 Dec 1, 2022 Resolved
CARBON, TOTAL
Monitoring and reporting
 Jan 1, 2020 Resolved
CARBON, TOTAL
Monitoring and reporting
 Apr 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Feb 1, 2019 Resolved
Chlorine
Monitoring and reporting
 Jan 1, 2019 Resolved
CARBON, TOTAL
Monitoring and reporting
 Oct 1, 2018 Resolved
CARBON, TOTAL
Monitoring and reporting
 Jul 1, 2018 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Public Notice
OTHER
 Apr 11, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2017 Resolved
Pentachlorophenol
Monitoring and reporting
 Jan 1, 2017 Resolved
2,4,5-TP
Monitoring and reporting
 Jan 1, 2017 Resolved
2,4-D
Monitoring and reporting
 Jan 1, 2017 Resolved
2,3,7,8-TCDD
Monitoring and reporting
 Jan 1, 2017 Resolved
Dinoseb
Monitoring and reporting
 Jan 1, 2017 Resolved
Picloram
Monitoring and reporting
 Jan 1, 2017 Resolved
Endothall
Monitoring and reporting
 Jan 1, 2017 Resolved
Dalapon
Monitoring and reporting
 Jan 1, 2017 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
 Oct 1, 2016 Resolved

Full record since 1982

EPA's records for Union City Municipal Authority go back to 1982. Before October 19, 2016 they list 34 health-based violations (34 resolved) and 131 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 31
1990s 0 28
2000s 29 36
2010 to October 18, 2016 5 36
October 19, 2016 to 2019 0 34
2020s 2 8

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began July 2015, Resolved.

Show all 34 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Jul 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063675 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Jul 1, 2011 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069675 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Apr 1, 2011 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068133 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Jan 1, 2011 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Jan 1, 2010 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Oct 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087225 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2009 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.10325 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
 Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.13125 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Apr 1, 2009 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.12925 mg/L, federal limit 0.06 mg/L (2.2 times the limit)
 Apr 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.14175 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
 Jan 1, 2009 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.06 mg/L (2.2 times the limit)
 Jan 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.145375 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
 Oct 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.14025 mg/L, federal limit 0.06 mg/L (2.3 times the limit)
 Oct 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.121875 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Jul 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.06 mg/L (1.8 times the limit)
 Jul 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089375 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07675 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Apr 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 Mar 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Oct 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Apr 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jan 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Jan 1, 2005 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Oct 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Oct 1, 2004 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 2004 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2004 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 2003 Resolved

Enforcement actions

Pennsylvania regulators took 3 formal enforcement actions against Union City Municipal Authority between 2005 and 2006, filed as 4 records in EPA's data. The most recent was a consent decree or court judgment in February 2006.

Date By Action Violations covered
Feb 13, 2006 Pennsylvania Consent decree or court judgment 1 violation: Consumer Confidence Rule
Dec 23, 2005 Pennsylvania Consent decree or court judgment 4 violations (1 health-based): Chlorine, Surface Water Treatment Rule
Dec 8, 2005 Pennsylvania Consent decree or court judgment 12 violations (8 health-based): CARBON, TOTAL

What the violations mean

Haloacetic Acids (HAA5)

2 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Union City Municipal Authority draws water from 1 surface water intake.

Annual water quality report

Union City Municipal Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.

Certified drinking water labs by state EPA guidance for private wells