Public water system · SC4650063
ActiveCatawba 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
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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2016-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-12-23 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2012-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-07-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | 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.
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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rock Hill City of (Sc4610002) | York | 89,850 | Community | Surface water |
| York County East Wd (Sc4620002) | York | 30,225 | Community | Purchased surface water |
| Fort Mill Town of (Sc4610003) | York | 25,000 | Community | Purchased surface water |
| York County West Wd (Sc4620003) | York | 18,273 | Community | Purchased surface water |
| York City of (Sc4610001) | York | 11,137 | Community | Purchased surface water |
| Tega Cay City of (Sc4610008) | York | 10,500 | 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, “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).