PlainWater

Community Water System · PWS SC0750002

Water Oak Utility Co (Sc0750002)

Hilton Head, South Carolina 29926-1173 - drinking water served from surface water sources to 2,318 people, tracked in EPA SDWIS and UCMR5.

2,318
People served
28
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 28 drinking-water violations at Water Oak Utility Co (Sc0750002), 50% of them health-based - above the South Carolina per-system average.

28
Total EPA violations on record
50%
Health-based (MCL / treatment failure)
2,318
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Water Oak Utility Co (Sc0750002)

Water Oak Utility Co (Sc0750002) is a local-owned community water system that delivers drinking water to 2,318 residents in Hilton Head, South Carolina (Beaufort County) through 1,079 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 14 (50%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is TTHM, recorded in 14 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across South Carolina, EPA tracks 1,390 public water systems serving 4,709,324 people, with 38,355 cumulative violations and 9,705 health-based violations on record. About 65% of systems in the state carry at least one violation, and state-wide the average per system is 27.6 violations. Statewide, 107 of 164 UCMR5-tested systems have reported PFAS detections (65.2%).

Water Oak Utility Co (Sc0750002)'s 28 violations sit above the South Carolina average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,318
Total Violations
28
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,079
County
Beaufort
School/Daycare
No
MCL Violations
14
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 14 2024
Coliform (TCR) MR 10 2008

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Water Oak Utility Co (Sc0750002).

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID SC0750002 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Carolina Drinking Water Authority

South Carolina's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find SC regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 TTHM MCL 14 SDWIS / SC0750002 / 2950
2008 Coliform (TCR) MR 10 SDWIS / SC0750002 / 3100

How Water Oak Utility Co (Sc0750002) Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Water Oak Utility Co (Sc0750002) South Carolina avg Federal benchmark
Total violations 28 27.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 65.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,318 3,388 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,390 regulated public water systems in South Carolina.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Water Oak Utility Co (Sc0750002) water safe to drink?
Water Oak Utility Co (Sc0750002) (PWS ID: SC0750002) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,318 people using Surface Water sources.
How many people does Water Oak Utility Co (Sc0750002) serve?
Water Oak Utility Co (Sc0750002) serves 2,318 people in Hilton Head, South Carolina. It is a Local-owned system using Surface Water water sources with 1,079 service connections.
What type of violations does Water Oak Utility Co (Sc0750002) have?
Water Oak Utility Co (Sc0750002) has 28 total violations: 14 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Water Oak Utility Co (Sc0750002) water?
No PFAS testing data is available for Water Oak Utility Co (Sc0750002) under the EPA's UCMR5 monitoring program.
What water source does Water Oak Utility Co (Sc0750002) use?
Water Oak Utility Co (Sc0750002) uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.