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Public water system record

Wooster Waterworks

Serves an area of Faulkner County, AR that includes Wooster · 5,000 people served

Federal records show 6 health-based violations and 2 monitoring/reporting issues for Wooster Waterworks in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • AR0000196
  • WOOSTER
  • AR
  • 5,000 served

System profile

Source water Purchased surface water
ZIP 72181
EPA system ID AR0000196

Verify this system on EPA ECHO →

Health-based violations, last 10 years
6
Resolved
0
Unresolved
0
Archived by EPA
6
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Wooster Waterworks buys its water from Community Water System.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 96 µg/L, federal limit 80 µg/L (1.2 times the limit), 2024.
  • Most recent formal enforcement: administrative penalty by Arkansas, June 2024.
  • Record on file since 2000, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 399 unknown out of 399 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 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 91 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 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
 Apr 1, 2024 Active
Enforcement action in place
Public Notice
OTHER
 Dec 1, 2023 Active
Enforcement action in place

Full record since 2000

EPA's records for Wooster Waterworks go back to 2000. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 6 1
2010 to October 18, 2016 1 2
2020s 6 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2012, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Jan 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 Jul 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Apr 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jan 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Oct 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Jul 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
 Apr 1, 2007 Resolved

Enforcement actions

Arkansas regulators took 3 formal enforcement actions against Wooster Waterworks between 2009 and 2024. The most recent was an administrative penalty in June 2024.

Date By Action Violations covered
Jun 10, 2024 Arkansas Administrative penalty 7 violations (5 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Public Notice
Mar 1, 2024 Arkansas Compliance order (no penalty) 3 violations (2 health-based): Total Trihalomethanes (TTHMs), Public Notice
Feb 27, 2009 Arkansas Consent decree or court judgment 6 violations (6 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

5 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Wooster Waterworks buys its water from Community Water System. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Wooster Waterworks 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 Arkansas.

Certified drinking water labs by state EPA guidance for private wells