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Public water system record

Westville Utility Authority

Serves Old Green, Christie and Westville, Adair County, OK · 1,596 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Westville Utility Authority in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • OK3000109
  • WESTVILLE
  • OK
  • 1,596 served

System profile

Source water Purchased surface water
ZIP 74965
EPA system ID OK3000109

Verify this system on EPA ECHO →

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

Key facts

  • Westville Utility Authority buys its water from Benton-Washington Regional PWA.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, February 2019.
  • Record on file since 2005, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 771 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jul 1, 2018 Resolved No

Full record since 2005

EPA's records for Westville Utility Authority go back to 2005. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 22 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 3 13
2010 to October 18, 2016 4 9
October 19, 2016 to 2019 1 0

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

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Oct 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2005 Resolved

Enforcement actions

Oklahoma regulators took 3 formal enforcement actions against Westville Utility Authority between 2014 and 2019. The most recent was a compliance order (no penalty) in February 2019.

Date By Action Violations covered
Feb 4, 2019 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Jul 14, 2016 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Jun 20, 2014 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Westville Utility Authority buys its water from Benton-Washington Regional PWA. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Westville Utility 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 Oklahoma.

Certified drinking water labs by state EPA guidance for private wells