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Public water system record

Sebastian Lake Utility Operating Company

Serves an area of Sebastian County, AR · 298 people served

Federal records show 2 health-based violations and no monitoring/reporting issues for Sebastian Lake Utility Operating Company in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • AR0000511
  • DES PERES
  • MO
  • 298 served

System profile

Source water Purchased surface water
ZIP 63131
EPA system ID AR0000511

Verify this system on EPA ECHO →

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

Key facts

  • Sebastian Lake Utility Operating Company buys its water from James Fork Regional Water District.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 81 µg/L, federal limit 80 µg/L (at or just above the limit), 2023.
  • Most recent formal enforcement: compliance order (no penalty) by Arkansas, May 2023.
  • Record on file since 1994, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 49 unknown out of 116 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 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 220 Jan 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 220 Oct 1, 2022 Resolved No

Full record since 1994

EPA's records for Sebastian Lake Utility Operating Company go back to 1994. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 3
2000s 1 9
2010 to October 18, 2016 0 1
2020s 2 0

Most recent health-based violation before October 19, 2016: Total Coliform, began May 2006, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 May 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1999 Archived
Total Coliform
Contaminant limit exceeded
 Oct 1, 1994 Archived

Enforcement actions

Arkansas regulators took 1 formal enforcement action against Sebastian Lake Utility Operating Company in 2023. The most recent was a compliance order (no penalty) in May 2023.

Date By Action Violations covered
May 26, 2023 Arkansas Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

2 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Sebastian Lake Utility Operating Company buys its water from James Fork Regional Water District. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Sebastian Lake Utility Operating Company 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Sebastian Lake Utility Operating Company for a copy.

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