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Public water system · SC0410010

Active

Williamston Town of (Sc0410010)

At a glance

Williamston Town of (Sc0410010) (PWSID SC0410010) is an active community water system in Anderson County, South Carolina. It reports serving 6,693 people through 2,582 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

6,693

Service connections

2,582

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSC0410010
System typeCommunity water system
Activity statusActive
Population served6,693
Service connections2,582
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencySC state drinking water program
City servedWilliamston
StateSouth Carolina
ZIP—
CountyAnderson County

How does Williamston Town of (Sc0410010) compare with other water systems in Anderson County?

By EPA's size categories, Williamston Town of (Sc0410010) is a medium system (3,301 to 10,000 people). Anderson County has 40 active public water systems. Its population served is about 30% above the county average of 5,165 people per system, and accounts for 3.2% of the 206,616 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 Williamston Town of (Sc0410010) is roughly in line with 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 368 South Carolina systems (26%) list purchased surface water as their primary source.

Who owns and regulates Williamston Town of (Sc0410010)?

EPA lists Williamston Town of (Sc0410010) 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. 17 of the 40 active systems in Anderson County (43%) are also owned by a local government.

Does Williamston Town of (Sc0410010) have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2025. The violations listed here began between July 1993 and July 2025. By type: 7 contaminant level above the legal limit, 2 monitoring and reporting, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (6 of them). EPA lists 6 as resolved, 5 as archived and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2001-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2000-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1996-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1996-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
1996-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1996-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1996-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1995-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
1995-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
1995-04-10Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
1993-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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.

Williamston Town of (Sc0410010): frequently asked questions

Who runs Williamston Town of (Sc0410010)?

Williamston Town of (Sc0410010) (PWSID SC0410010) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Williamston Town of (Sc0410010) serve?

Williamston Town of (Sc0410010) reports serving 6,693 people through 2,582 service connections in Anderson County, South Carolina.

Where does Williamston Town of (Sc0410010) get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Williamston Town of (Sc0410010) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 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 Williamston Town of (Sc0410010)'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, 9 are health-based, and the most recent began in July 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 Williamston Town of (Sc0410010)'s water quality report?

As a community water system, Williamston Town of (Sc0410010) 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 Anderson County

Water systemCountyPopulation servedTypeSource
Electric City Utilities (Sc0410012)Anderson38,204CommunityPurchased surface water
Powdersville Water District (Sc0420002)Anderson34,960CommunityPurchased surface water
Hammond W/D (Sc0420007)Anderson21,193CommunityPurchased surface water
West Anderson W/D (0420006)Anderson17,430CommunityPurchased surface water
Sandy Springs Water Co Inc. (Sc0420003)Anderson17,311CommunityPurchased surface water
Big Creek W/S District (0420009)Anderson13,647CommunityPurchased 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, “Williamston Town of (Sc0410010), PWSID SC0410010, South Carolina”, https://aquacensus.com/water-systems/south-carolina/williamston-town-of-sc0410010-sc0410010 (data as of October 1, 2026).