Public water system · SC4610001
ActiveYork City of (Sc4610001)
At a glance
York City of (Sc4610001) (PWSID SC4610001) is an active community water system in York County, South Carolina. It reports serving 11,137 people through 4,715 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, 12 are health-based, and the most recent began in April 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,137
Service connections
4,715
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does York City of (Sc4610001) compare with other water systems in York County?
By EPA's size categories, York City of (Sc4610001) is a large system (10,001 to 100,000 people). York County has 135 active public water systems, and York City of (Sc4610001) is the 5th-largest of them by population served. Its population served is about 7.1 times the county average of 1,573 people per system, and accounts for 5.2% 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 York City of (Sc4610001) is about 66% 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. 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 York City of (Sc4610001)?
EPA lists York City of (Sc4610001) 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 York City of (Sc4610001) have drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in April 2016. The violations listed here began between October 2007 and April 2016. By type: 11 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (10 of them). EPA lists 9 as resolved and 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 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 |
| 2015-10-01 | 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 |
| 2015-04-01 | 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 |
| 2012-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2008-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2008-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2007-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2007-10-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | 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.
York City of (Sc4610001): frequently asked questions
Who runs York City of (Sc4610001)?
York City of (Sc4610001) (PWSID SC4610001) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does York City of (Sc4610001) serve?
York City of (Sc4610001) reports serving 11,137 people through 4,715 service connections in York County, South Carolina.
Where does York City of (Sc4610001) 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 York City of (Sc4610001) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in April 2016. 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 York City of (Sc4610001)'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, 12 are health-based, and the most recent began in April 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find York City of (Sc4610001)'s water quality report?
As a community water system, York City of (Sc4610001) 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 |
| Tega Cay City of (Sc4610008) | York | 10,500 | Community | Purchased surface water |
| Clover Town of (Sc4610006) | York | 8,400 | 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, “York City of (Sc4610001), PWSID SC4610001, South Carolina”, https://aquacensus.com/water-systems/south-carolina/york-city-of-sc4610001-sc4610001 (data as of October 1, 2026).