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Public water system record

East Carbon City

Serves East Carbon, Carbon County, UT · 1,460 people served

Federal records show 3 health-based violations and 10 monitoring/reporting issues for East Carbon City in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.

  • UTAH04012
  • EAST CARBON
  • UT
  • 1,460 served

System profile

Source water Surface water
ZIP 84520
EPA system ID UTAH04012

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
10

Key facts

  • East Carbon City draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 84.5 µg/L, federal limit 80 µg/L (1.1 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, September 2009.
  • Record on file since 1979, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 916 unknown out of 974 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
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Sep 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.5 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Oct 1, 2017 Resolved No
Groundwater Rule
Treatment technique failure
 140 Sep 29, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Mar 20, 2025 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2023 Resolved
CARBON, TOTAL
Monitoring and reporting
 Jan 1, 2022 Resolved
Public Notice
OTHER
 Sep 1, 2021 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
 Mar 1, 2018 Resolved
Revised Total Coliform Rule
OTHER
 Oct 1, 2017 Resolved
Revised Total Coliform Rule
RPT
 Jun 21, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jun 1, 2017 Resolved

Full record since 1979

EPA's records for East Carbon City go back to 1979. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 171 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 8
1980s 0 48
1990s 0 29
2000s 3 26
2010 to October 18, 2016 0 60
October 19, 2016 to 2019 2 4
2020s 1 6

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began December 2009, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Dec 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Feb 1, 2001 Archived
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 2000 Resolved

Enforcement actions

EPA took 1 formal enforcement action against East Carbon City in 2009. The most recent was a compliance order (no penalty) in September 2009.

Date By Action Violations covered
Sep 10, 2009 EPA Compliance order (no penalty) 25 violations: Arsenic, Barium, CYANIDE, Fluoride, Mercury

What the violations mean

Long Term 2 Enhanced Surface Water Treatment Rule

1 incident

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

East Carbon City draws water from 1 surface water intake.

Annual water quality report

East Carbon City 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 Utah.

Certified drinking water labs by state EPA guidance for private wells