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Public water system · SC2920001

Active

Lancaster County W&Sd (Sc2920001)

At a glance

Lancaster County W&Sd (Sc2920001) (PWSID SC2920001) is an active community water system in Lancaster County, South Carolina. It reports serving 79,107 people through 36,859 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, 7 are health-based, and the most recent began in March 2019.

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

Population served

79,107

Service connections

36,859

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSC2920001
System typeCommunity water system
Activity statusActive
Population served79,107
Service connections36,859
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencySC state drinking water program
City servedLancaster
StateSouth Carolina
ZIP—
CountyLancaster County

How does Lancaster County W&Sd (Sc2920001) compare with other water systems in Lancaster County?

By EPA's size categories, Lancaster County W&Sd (Sc2920001) is a large system (10,001 to 100,000 people). Lancaster County has 9 active public water systems, and Lancaster County W&Sd (Sc2920001) is the largest of them by population served. Its population served is about 7.4 times the county average of 10,762 people per system, and accounts for 82% of the 96,861 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 Lancaster County W&Sd (Sc2920001) is about 12 times 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 Lancaster County W&Sd (Sc2920001)?

EPA lists Lancaster County W&Sd (Sc2920001) 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. 4 of the 9 active systems in Lancaster County (44%) are also owned by a local government.

Does Lancaster County W&Sd (Sc2920001) have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in March 2019. The violations listed here began between July 1993 and March 2019. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (6 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-03-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2013-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2001-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1996-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1996-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1994-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1994-06-08Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1994-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1994-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1993-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1993-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived

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.

Lancaster County W&Sd (Sc2920001): frequently asked questions

Who runs Lancaster County W&Sd (Sc2920001)?

Lancaster County W&Sd (Sc2920001) (PWSID SC2920001) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Lancaster County W&Sd (Sc2920001) serve?

Lancaster County W&Sd (Sc2920001) reports serving 79,107 people through 36,859 service connections in Lancaster County, South Carolina.

Where does Lancaster County W&Sd (Sc2920001) 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 Lancaster County W&Sd (Sc2920001) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in March 2019. 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 Lancaster County W&Sd (Sc2920001)'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, 7 are health-based, and the most recent began in March 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.

Where can I find Lancaster County W&Sd (Sc2920001)'s water quality report?

As a community water system, Lancaster County W&Sd (Sc2920001) 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 Lancaster County

Water systemCountyPopulation servedTypeSource
Lancaster City of (Sc2910001)Lancaster14,074CommunityPurchased surface water
Kershaw Town of (Sc2910003)Lancaster2,567CommunityPurchased surface water
Heath Springs Town of (Sc2910002)Lancaster947CommunityPurchased surface water
Catawba Falls Event CenterLancaster60Transient non-communityGroundwater
Dooley Farm #1 (2970907)Lancaster30Transient non-communityGroundwater
Primo-Walmart 1030 (Sc2980001)Lancaster26Transient non-communityPurchased 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, “Lancaster County W&Sd (Sc2920001), PWSID SC2920001, South Carolina”, https://aquacensus.com/water-systems/south-carolina/lancaster-county-w-sd-sc2920001-sc2920001 (data as of October 1, 2026).