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Public water system · SC4650063

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Catawba Indian Nation Cws (Sc4650063)

At a glance

Catawba Indian Nation Cws (Sc4650063) (PWSID SC4650063) is an active community water system in York County, South Carolina. It reports serving 446 people through 186 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 October 2025.

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

Population served

446

Service connections

186

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSC4650063
System typeCommunity water system
Activity statusActive
Population served446
Service connections186
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencySC state drinking water program
City servedRock Hill
StateSouth Carolina
ZIP—
CountyYork County

How does Catawba Indian Nation Cws (Sc4650063) compare with other water systems in York County?

By EPA's size categories, Catawba Indian Nation Cws (Sc4650063) is a very small system (500 people or fewer). York County has 135 active public water systems. Its population served is well below the county average of 1,573 people per system, and accounts for 0.2% of the 212,290 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 Catawba Indian Nation Cws (Sc4650063) 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. 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 Catawba Indian Nation Cws (Sc4650063)?

EPA lists Catawba Indian Nation Cws (Sc4650063) 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. 10 of the 135 active systems in York County (7.4%) are also owned by a local government.

Does Catawba Indian Nation Cws (Sc4650063) have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2025. The violations listed here began between July 2009 and October 2025. 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) (8 of them). EPA lists 11 as resolved 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2016-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-12-23Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Total trihalomethanes (TTHM)code 2950NoResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2014-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2012-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2010-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2009-07-02Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved

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.

Catawba Indian Nation Cws (Sc4650063): frequently asked questions

Who runs Catawba Indian Nation Cws (Sc4650063)?

Catawba Indian Nation Cws (Sc4650063) (PWSID SC4650063) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Catawba Indian Nation Cws (Sc4650063) serve?

Catawba Indian Nation Cws (Sc4650063) reports serving 446 people through 186 service connections in York County, South Carolina.

Where does Catawba Indian Nation Cws (Sc4650063) 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 Catawba Indian Nation Cws (Sc4650063) 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 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 Catawba Indian Nation Cws (Sc4650063)'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 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 Catawba Indian Nation Cws (Sc4650063)'s water quality report?

As a community water system, Catawba Indian Nation Cws (Sc4650063) 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 York County

Water systemCountyPopulation servedTypeSource
Rock Hill City of (Sc4610002)York89,850CommunitySurface water
York County East Wd (Sc4620002)York30,225CommunityPurchased surface water
Fort Mill Town of (Sc4610003)York25,000CommunityPurchased surface water
York County West Wd (Sc4620003)York18,273CommunityPurchased surface water
York City of (Sc4610001)York11,137CommunityPurchased surface water
Tega Cay City of (Sc4610008)York10,500CommunityPurchased 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, “Catawba Indian Nation Cws (Sc4650063), PWSID SC4650063, South Carolina”, https://aquacensus.com/water-systems/south-carolina/catawba-indian-nation-cws-sc4650063-sc4650063 (data as of October 1, 2026).