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Public water system record

Centinela State Prison

Serves an area of Imperial County, CA · 4,100 people served

Federal records show no health-based violations and no monitoring or reporting issues for Centinela State Prison in the last ten years.

  • CA1310801
  • IMPERIAL
  • CA
  • 4,100 served

System profile

Source water Purchased surface water
ZIP 92251
EPA system ID CA1310801

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
0

Key facts

  • Centinela State Prison buys its water from Imperial Irrigation District.
  • Most recent formal enforcement: compliance order (no penalty) by California, May 2015.
  • Record on file since 2004, with 16 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 94 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, and no monitoring or reporting violations either.

Full record since 2004

EPA's records for Centinela State Prison go back to 2004. Before October 20, 2016 they list 16 health-based violations (16 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 6 2
2010 to October 19, 2016 10 0

Most recent health-based violation before October 20, 2016: Total Trihalomethanes (TTHMs), began April 2015, Resolved.

Show all 16 health-based violations before October 20, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Apr 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Oct 1, 2012 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0913 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0814 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Oct 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Apr 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2004 Resolved

Enforcement actions

California regulators took 6 formal enforcement actions against Centinela State Prison between 2006 and 2015. The most recent was a compliance order (no penalty) in May 2015.

Date By Action Violations covered
May 5, 2015 California Compliance order (no penalty) 9 violations (9 health-based): Total Trihalomethanes (TTHMs)
Jun 25, 2013 California Compliance order (no penalty) 8 violations (8 health-based): Total Trihalomethanes (TTHMs)
Dec 19, 2012 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Nov 13, 2012 California Compliance order (no penalty) 5 violations (5 health-based): Total Trihalomethanes (TTHMs)
Feb 15, 2007 California Compliance order (no penalty) 4 violations (2 health-based): Total Trihalomethanes (TTHMs), Chlorine, Public Notice
Oct 6, 2006 California Compliance order (no penalty) 4 violations (2 health-based): Total Trihalomethanes (TTHMs), Chlorine, Public Notice

Where the water comes from

Centinela State Prison buys its water from Imperial Irrigation District. It lists no wells or intakes of its own.

Buys water from

  • Imperial Irrigation District Imperial, CA

Annual water quality report

Centinela State Prison 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 California.

Certified drinking water labs by state EPA guidance for private wells