Public water system · SC4420010
ActiveLockhart Town of (Sc4420010)
At a glance
Lockhart Town of (Sc4420010) (PWSID SC4420010) is an active community water system in Union County, South Carolina. It reports serving 496 people through 231 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, 11 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
496
Service connections
231
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Lockhart Town of (Sc4420010) compare with other water systems in Union County?
By EPA's size categories, Lockhart Town of (Sc4420010) is a very small system (500 people or fewer). Union County has 8 active public water systems. Its population served is well below the county average of 3,968 people per system, and accounts for 1.6% of the 31,744 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 Lockhart Town of (Sc4420010) 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 Lockhart Town of (Sc4420010)?
EPA lists Lockhart Town of (Sc4420010) 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. 8 of the 8 active systems in Union County (100%) are also owned by a local government.
Does Lockhart Town of (Sc4420010) have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in January 2026. The violations listed here began between January 2013 and January 2026. By type: 11 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (11 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 |
|---|---|---|---|---|
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2024-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | 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.
Lockhart Town of (Sc4420010): frequently asked questions
Who runs Lockhart Town of (Sc4420010)?
Lockhart Town of (Sc4420010) (PWSID SC4420010) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Lockhart Town of (Sc4420010) serve?
Lockhart Town of (Sc4420010) reports serving 496 people through 231 service connections in Union County, South Carolina.
Where does Lockhart Town of (Sc4420010) 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 Lockhart Town of (Sc4420010) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are 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 Lockhart Town of (Sc4420010)'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, 11 are 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 Lockhart Town of (Sc4420010)'s water quality report?
As a community water system, Lockhart Town of (Sc4420010) 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 Union County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Union City of (Sc4410001) | Union | 13,076 | Community | Surface water |
| Meansville Riley W/D (Sc4420001) | Union | 7,368 | Community | Purchased surface water |
| Santuck Hebron Water Co (Sc4420007) | Union | 3,109 | Community | Purchased surface water |
| Browns Creek W/D (Sc4420002) | Union | 2,790 | Community | Purchased surface water |
| Rocky Creek W/D (Sc4420003) | Union | 2,464 | Community | Purchased surface water |
| Jonesville Town of (Sc4410002) | Union | 1,886 | 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, “Lockhart Town of (Sc4420010), PWSID SC4420010, South Carolina”, https://aquacensus.com/water-systems/south-carolina/lockhart-town-of-sc4420010-sc4420010 (data as of October 1, 2026).