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Public water system record

Water Oak Utility Co

Serves an area of Beaufort County, SC that includes Hilton Head Island · 2,318 people served

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

  • SC0750002
  • HILTON HEAD
  • SC
  • 2,318 served

System profile

Source water Purchased surface water
ZIP 29926
EPA system ID SC0750002

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

  • Water Oak Utility Co buys its water from BJW&Sa.
  • 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), 2024.
  • Most recent formal enforcement: administrative penalty by South Carolina, March 2024.
  • Record on file since 1992, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,067 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 Jan 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Oct 1, 2023 Resolved No

Full record since 1992

EPA's records for Water Oak Utility Co go back to 1992. Before October 19, 2016 they list no health-based violations and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 7
2000s 0 1
2020s 2 0

Enforcement actions

South Carolina regulators took 2 formal enforcement actions against Water Oak Utility Co in 2024. The most recent was an administrative penalty in March 2024.

Date By Action Violations covered
Mar 18, 2024 South Carolina Administrative penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Mar 18, 2024 South Carolina Compliance order with a penalty 1 violation (1 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

Water Oak Utility Co buys its water from BJW&Sa. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Water Oak Utility Co 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 South Carolina.

Certified drinking water labs by state EPA guidance for private wells