Public water system · SC3710003
ActiveWestminster City of (Sc3710003)
At a glance
Westminster City of (Sc3710003) (PWSID SC3710003) is an active community water system in Oconee County, South Carolina. It reports serving 9,588 people through 4,067 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,588
Service connections
4,067
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Westminster City of (Sc3710003) compare with other water systems in Oconee County?
By EPA's size categories, Westminster City of (Sc3710003) is a medium system (3,301 to 10,000 people). Oconee County has 55 active public water systems, and Westminster City of (Sc3710003) is the 4th-largest of them by population served. Its population served is about 5.2 times the county average of 1,835 people per system, and accounts for 9.5% of the 100,931 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 Westminster City of (Sc3710003) is about 43% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 South Carolina systems (3.8%) list surface water as their primary source.
Who owns and regulates Westminster City of (Sc3710003)?
EPA lists Westminster City of (Sc3710003) as owned by a local government. 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. 6 of the 55 active systems in Oconee County (11%) are also owned by a local government.
Does Westminster City of (Sc3710003) 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 2025. The violations listed here began between January 2004 and October 2025. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule, Consumer Confidence Rule, Total trihalomethanes (TTHM) and 1,1,2-Trichloroethane. EPA lists 9 as resolved, 2 as unaddressed 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | 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.
Westminster City of (Sc3710003): frequently asked questions
Who runs Westminster City of (Sc3710003)?
Westminster City of (Sc3710003) (PWSID SC3710003) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Westminster City of (Sc3710003) serve?
Westminster City of (Sc3710003) reports serving 9,588 people through 4,067 service connections in Oconee County, South Carolina.
Where does Westminster City of (Sc3710003) get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Westminster City of (Sc3710003) 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 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 Westminster City of (Sc3710003)'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 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 Westminster City of (Sc3710003)'s water quality report?
As a community water system, Westminster City of (Sc3710003) 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 Oconee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Seneca City of (Sc3710002) | Oconee | 39,772 | Community | Surface water |
| Pioneer Rural Water Dist (Sc3720001) | Oconee | 16,929 | Community | Surface water |
| Walhalla City of (Sc3710004) | Oconee | 16,010 | Community | Surface water |
| Salem Town of (Sc3710001) | Oconee | 6,444 | Community | Purchased surface water |
| Keowee Key Utility System Inc. (3750023) | Oconee | 4,108 | Community | Purchased surface water |
| Foxwood Hills (Sc3750025) | Oconee | 1,703 | Community | Purchased surface water |
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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, “Westminster City of (Sc3710003), PWSID SC3710003, South Carolina”, https://aquacensus.com/water-systems/south-carolina/westminster-city-of-sc3710003-sc3710003 (data as of October 1, 2026).