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Public water system record

Coalinga-City

Serves Coalinga, Fresno County, CA · 17,277 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Coalinga-City in the last ten years.

  • CA1010004
  • COALINGA
  • CA
  • 17,277 served

System profile

Source water Surface water
ZIP 93210
EPA system ID CA1010004

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Coalinga-City draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order (no penalty) by California, April 2017.
  • Record on file since 1979, with 14 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 4,026 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Miscellaneous Other Rules
OTHER
 Oct 1, 2016 Resolved

Full record since 1979

EPA's records for Coalinga-City go back to 1979. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
2000s 7 0
2010 to October 18, 2016 7 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2015, Resolved.

Show all 14 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0805 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Oct 1, 2015 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jul 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1192 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Oct 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1123 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Jul 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1011 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1114 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Apr 1, 2003 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1172 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Jan 1, 2003 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1093 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Sep 1, 2002 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1063 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jul 1, 2002 Resolved

Enforcement actions

California regulators took 9 formal enforcement actions against Coalinga-City between 2002 and 2017. The most recent was a compliance order (no penalty) in April 2017.

Date By Action Violations covered
Apr 5, 2017 California Compliance order (no penalty) 13 violations (13 health-based): Total Trihalomethanes (TTHMs)
Feb 13, 2017 California Compliance order (no penalty) 1 violation: Miscellaneous Other Rules
Feb 26, 2016 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Nov 18, 2015 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Dec 11, 2014 California Compliance order (no penalty) 8 violations (8 health-based): Total Trihalomethanes (TTHMs)
Aug 18, 2003 California Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Feb 14, 2003 California Compliance order (no penalty) 4 violations (4 health-based): Total Trihalomethanes (TTHMs)
Jan 10, 2003 California Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Sep 11, 2002 California Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)

Where the water comes from

Coalinga-City draws water from 1 surface water intake.

Annual water quality report

Coalinga-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.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 California.

Certified drinking water labs by state EPA guidance for private wells