Public water system · TX0340066
ActiveWestern Cass WSC
At a glance
Western Cass WSC (PWSID TX0340066) is an active community water system in Cass County, Texas. It reports serving 5,871 people through 1,957 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in April 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,871
Service connections
1,957
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Western Cass WSC compare with other water systems in Cass County?
By EPA's size categories, Western Cass WSC is a medium system (3,301 to 10,000 people). Cass County has 14 active public water systems, and Western Cass WSC is the largest of them by population served. Its population served is about 3.5 times the county average of 1,676 people per system, and accounts for 25% of the 23,465 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 Western Cass WSC is about 12% 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.
Who owns and regulates Western Cass WSC?
EPA lists Western Cass 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. 12 of the 14 active systems in Cass County (86%) are also owned by a local government.
Does Western Cass WSC have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in April 2021. The violations listed here began between April 2007 and April 2021. By type: 3 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2021-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2019-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2007-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2007-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
All 4 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.
Western Cass WSC: frequently asked questions
Who runs Western Cass WSC?
Western Cass WSC (PWSID TX0340066) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Western Cass WSC serve?
Western Cass WSC reports serving 5,871 people through 1,957 service connections in Cass County, Texas.
Where does Western Cass WSC 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 Western Cass WSC have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in April 2021. 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 Western Cass 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 4 violations for this system; 3 are health-based, and the most recent began in April 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Western Cass WSC's water quality report?
As a community water system, Western Cass 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Atlanta | Cass | 5,418 | Community | Purchased surface water |
| Eastern Cass WSC | Cass | 2,670 | Community | Groundwater |
| City of Hughes Springs | Cass | 2,527 | Community | Purchased surface water |
| City of Linden | Cass | 1,813 | Community | Groundwater |
| City of Queen City | Cass | 1,398 | Community | Groundwater |
| Holly Springs WSC East Meter | Cass | 1,386 | 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, “Western Cass WSC, PWSID TX0340066, Texas”, https://aquacensus.com/water-systems/texas/western-cass-wsc-tx0340066 (data as of October 1, 2026).