Public water system · SC4650004
ActiveWillwood S/D (4650004)
At a glance
Willwood S/D (4650004) (PWSID SC4650004) is an active community water system in York County, South Carolina. It reports serving 122 people through 59 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
122
Service connections
59
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Willwood S/D (4650004) compare with other water systems in York County?
By EPA's size categories, Willwood S/D (4650004) 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 less than 0.1% 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 Willwood S/D (4650004) 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 933 South Carolina systems (67%) list groundwater as their primary source.
Who owns and regulates Willwood S/D (4650004)?
EPA lists Willwood S/D (4650004) as privately owned. 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. 120 of the 135 active systems in York County (89%) are also privately owned.
Does Willwood S/D (4650004) have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026. The violations listed here began between July 1990 and January 2026. By type: 4 public notice, recordkeeping or other, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule and Total coliform bacteria (TCR). EPA lists 4 as archived, 1 as unaddressed and 1 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2002-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1990-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1990-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1990-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1990-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 6 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.
Willwood S/D (4650004): frequently asked questions
Who runs Willwood S/D (4650004)?
Willwood S/D (4650004) (PWSID SC4650004) is a community water system privately owned. It is regulated by the SC state drinking water program.
How many people does Willwood S/D (4650004) serve?
Willwood S/D (4650004) reports serving 122 people through 59 service connections in York County, South Carolina.
Where does Willwood S/D (4650004) get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Willwood S/D (4650004) have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026. 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 Willwood S/D (4650004)'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. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Willwood S/D (4650004)'s water quality report?
As a community water system, Willwood S/D (4650004) 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, “Willwood S/D (4650004), PWSID SC4650004, South Carolina”, https://aquacensus.com/water-systems/south-carolina/willwood-s-d-4650004-sc4650004 (data as of October 1, 2026).