Public water system · SC4320003
ActiveHigh Hills Rural Water Co Inc. (4320003)
At a glance
High Hills Rural Water Co Inc. (4320003) (PWSID SC4320003) is an active community water system in Sumter County, South Carolina. It reports serving 12,545 people through 5,224 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, none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,545
Service connections
5,224
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does High Hills Rural Water Co Inc. (4320003) compare with other water systems in Sumter County?
By EPA's size categories, High Hills Rural Water Co Inc. (4320003) is a large system (10,001 to 100,000 people). Sumter County has 24 active public water systems, and High Hills Rural Water Co Inc. (4320003) is the 2nd-largest of them by population served. Its population served is about 3.4 times the county average of 3,717 people per system, and accounts for 14% of the 89,203 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 High Hills Rural Water Co Inc. (4320003) is about 87% above 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 High Hills Rural Water Co Inc. (4320003)?
EPA lists High Hills Rural Water Co Inc. (4320003) 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. 15 of the 24 active systems in Sumter County (63%) are also privately owned.
Does High Hills Rural Water Co Inc. (4320003) have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. The violations listed here began between April 2008 and December 2025. By type: 6 public notice, recordkeeping or other, 5 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Consumer Confidence Rule (6 of them). EPA lists 6 as unaddressed and 6 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-08-13 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-07-07 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2022-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2022-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-07-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2008-04-02 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
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.
High Hills Rural Water Co Inc. (4320003): frequently asked questions
Who runs High Hills Rural Water Co Inc. (4320003)?
High Hills Rural Water Co Inc. (4320003) (PWSID SC4320003) is a community water system privately owned. It is regulated by the SC state drinking water program.
How many people does High Hills Rural Water Co Inc. (4320003) serve?
High Hills Rural Water Co Inc. (4320003) reports serving 12,545 people through 5,224 service connections in Sumter County, South Carolina.
Where does High Hills Rural Water Co Inc. (4320003) 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 High Hills Rural Water Co Inc. (4320003) have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. 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 High Hills Rural Water Co Inc. (4320003)'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, none is health-based, and the most recent began in December 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find High Hills Rural Water Co Inc. (4320003)'s water quality report?
As a community water system, High Hills Rural Water Co Inc. (4320003) 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 Sumter County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sumter City of (Sc4310001) | Sumter | 53,070 | Community | Groundwater |
| Shaw Afb (Sc4310501) | Sumter | 10,000 | Community | Groundwater |
| Dalzell Water District (Sc4320001) | Sumter | 3,912 | Community | Groundwater |
| Oswego Rural Water Co (Sc4320006) | Sumter | 3,282 | Community | Purchased groundwater |
| Sumter Co-Wedgefield-Stateburg Wd | Sumter | 1,200 | Community | Groundwater |
| Bgwc Oakland Plantation (Sc4350006) | Sumter | 1,180 | 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, “High Hills Rural Water Co Inc. (4320003), PWSID SC4320003, South Carolina”, https://aquacensus.com/water-systems/south-carolina/high-hills-rural-water-co-inc-4320003-sc4320003 (data as of October 1, 2026).