Public water system · TX1090041
ActiveHill County WSC
At a glance
Hill County WSC (PWSID TX1090041) is an active community water system in Hill County, Texas. It reports serving 4,383 people through 1,461 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,383
Service connections
1,461
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Hill County WSC compare with other water systems in Hill County?
By EPA's size categories, Hill County WSC is a medium system (3,301 to 10,000 people). Hill County has 39 active public water systems, and Hill County WSC is the 3rd-largest of them by population served. Its population served is about 3.3 times the county average of 1,338 people per system, and accounts for 8.4% of the 52,177 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Hill County WSC is about 35% 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.
Who owns and regulates Hill County WSC?
EPA lists Hill County WSC as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 28 of the 39 active systems in Hill County (72%) are also owned by a local government.
Does Hill County WSC have drinking water violations?
EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 2025. The violations listed here began between January 1998 and July 2025. By type: 9 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 10 as resolved. 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2004-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2004-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1998-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Atrazinecode 2050 | Yes | Resolved |
All 10 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.
Hill County WSC: frequently asked questions
Who runs Hill County WSC?
Hill County WSC (PWSID TX1090041) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Hill County WSC serve?
Hill County WSC reports serving 4,383 people through 1,461 service connections in Hill County, Texas.
Where does Hill County WSC 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 Hill County WSC have any drinking water violations?
EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 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 Hill County WSC'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 10 violations for this system; 9 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Hill County WSC's water quality report?
As a community water system, Hill County WSC 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 Hill County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Hillsboro | Hill | 8,867 | Community | Purchased surface water |
| Files Valley WSC | Hill | 4,776 | Community | Purchased surface water |
| Cedar Creek Water System | Hill | 3,720 | Community | Groundwater |
| Post Oak Sud | Hill | 3,117 | Community | Purchased surface water |
| Woodrow Osceola WSC Blanton Well Plant 1 | Hill | 2,526 | Community | Groundwater |
| White Bluff | Hill | 2,319 | Community | Groundwater |
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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, “Hill County WSC, PWSID TX1090041, Texas”, https://aquacensus.com/water-systems/texas/hill-county-wsc-tx1090041 (data as of October 1, 2026).