Public water system · TX0300005

Active

Eula WSC

At a glance

Eula WSC (PWSID TX0300005) is an active community water system in Callahan County, Texas. It reports serving 3,918 people through 1,306 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, 4 are health-based, and the most recent began in April 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

3,918

Service connections

1,306

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX0300005

System typeCommunity water system

Activity statusActive

Population served3,918

Service connections1,306

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyCallahan County

How does Eula WSC compare with other water systems in Callahan County?

By EPA's size categories, Eula WSC is a medium system (3,301 to 10,000 people). Callahan County has 5 active public water systems, and Eula WSC is the largest of them by population served. Its population served is about 41% above the county average of 2,788 people per system, and accounts for 28% of the 13,939 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 Eula WSC is about 42% 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 Eula WSC?

EPA lists Eula 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. 5 of the 5 active systems in Callahan County (100%) are also owned by a local government.

Does Eula WSC have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 2026. The violations listed here began between April 2024 and April 2026. By type: 5 public notice, recordkeeping or other, 4 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Public Notice (5 of them). EPA lists 8 as resolved and 4 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-04-23	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2025-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Unaddressed
2025-07-02	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2025-04-29	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2025-04-29	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2025-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2024-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2024-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2024-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2024-06-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2024-06-05	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Total trihalomethanes (TTHM)code 2950	No	Resolved
2024-04-01	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.

Eula WSC: frequently asked questions

Who runs Eula WSC?

Eula WSC (PWSID TX0300005) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Eula WSC serve?

Eula WSC reports serving 3,918 people through 1,306 service connections in Callahan County, Texas.

Where does Eula 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 Eula WSC have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 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 Eula 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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Eula WSC's water quality report?

As a community water system, Eula 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 Callahan County

Water system	County	Population served	Type	Source
City of Clyde	Callahan	3,820	Community	Surface water
Callahan County WSC	Callahan	3,741	Community	Purchased surface water
City of Baird	Callahan	1,534	Community	Surface water
City of Cross Plains	Callahan	926	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, “Eula WSC, PWSID TX0300005, Texas”, https://aquacensus.com/water-systems/texas/eula-wsc-tx0300005 (data as of October 1, 2026).