Public water system · SC0250004
ActiveOakhill S/D (Sc0250004)
At a glance
Oakhill S/D (Sc0250004) (PWSID SC0250004) is an active community water system in Aiken County, South Carolina. It reports serving 243 people through 98 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
243
Service connections
98
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oakhill S/D (Sc0250004) compare with other water systems in Aiken County?
By EPA's size categories, Oakhill S/D (Sc0250004) is a very small system (500 people or fewer). Aiken County has 65 active public water systems. Its population served is well below the county average of 2,413 people per system, and accounts for 0.2% of the 156,860 people reported by systems filed under the county. Across South Carolina, the 1,392 active systems average 3,511 people each. Nationally, the average active community water system reports serving 6,703 people, so Oakhill S/D (Sc0250004) is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Carolina has 567 active community water systems, 41% of the state's 1,392 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 933 South Carolina systems (67%) list groundwater as their primary source.
Who owns and regulates Oakhill S/D (Sc0250004)?
EPA lists Oakhill S/D (Sc0250004) as privately owned. The SC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 43 of the 65 active systems in Aiken County (66%) are also privately owned.
Does Oakhill S/D (Sc0250004) have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between June 2000 and October 2024. By type: 6 monitoring and reporting, 3 public notice, recordkeeping or other, 1 required treatment not met, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2000-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Oakhill S/D (Sc0250004): frequently asked questions
Who runs Oakhill S/D (Sc0250004)?
Oakhill S/D (Sc0250004) (PWSID SC0250004) is a community water system privately owned. It is regulated by the SC state drinking water program.
How many people does Oakhill S/D (Sc0250004) serve?
Oakhill S/D (Sc0250004) reports serving 243 people through 98 service connections in Aiken County, South Carolina.
Where does Oakhill S/D (Sc0250004) get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Oakhill S/D (Sc0250004) have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Oakhill S/D (Sc0250004)'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Oakhill S/D (Sc0250004)'s water quality report?
As a community water system, Oakhill S/D (Sc0250004) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Aiken County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aiken City of (Sc0210001) | Aiken | 51,533 | Community | Surface water |
| North Augusta City of (Sc0210003) | Aiken | 26,125 | Community | Surface water |
| Breezy Hill W/D (Sc0220006) | Aiken | 21,197 | Community | Surface water |
| Beech Island W/D (Sc0220004) | Aiken | 8,935 | Community | Groundwater |
| Srns LLC A-Area (Sc0230501) | Aiken | 8,700 | Non-transient non-community | Groundwater |
| Valley Psa (Sc0220012) | Aiken | 7,752 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Oakhill S/D (Sc0250004), PWSID SC0250004, South Carolina”, https://aquacensus.com/water-systems/south-carolina/oakhill-s-d-sc0250004-sc0250004 (data as of October 1, 2026).