Public water system · TX0080015

Active

City of Wallis

At a glance

City of Wallis (PWSID TX0080015) is an active community water system in Austin County, Texas. It reports serving 1,292 people through 611 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2026.

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

Population served

1,292

Service connections

611

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDTX0080015

System typeCommunity water system

Activity statusActive

Population served1,292

Service connections611

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyAustin County

How does City of Wallis compare with other water systems in Austin County?

By EPA's size categories, City of Wallis is a small system (501 to 3,300 people). Austin County has 24 active public water systems, and City of Wallis is the 4th-largest of them by population served. Its population served is about 51% above the county average of 856 people per system, and accounts for 6.3% of the 20,549 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 City of Wallis 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. 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 City of Wallis?

EPA lists City of Wallis 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. 11 of the 24 active systems in Austin County (46%) are also owned by a local government.

Does City of Wallis have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2026. The violations listed here began between August 1993 and April 2026. By type: 4 monitoring, 3 public notice, recordkeeping or other, 3 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 6 as resolved, 3 as unaddressed and 2 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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
2026-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2026-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-07-02	ReportingNotification, Known or Potential LSL · code 4H	Lead and Copper Rule Revisionscode 5200	No	Resolved
2021-12-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2020-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Unaddressed
2020-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-04-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2019-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2015-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
1993-08-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1993-08-01	Public notice, recordkeeping or otherNotification, Public · code 06	Total coliform bacteria (TCR)code 3100	No	Archived

All 11 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.

City of Wallis: frequently asked questions

Who runs City of Wallis?

City of Wallis (PWSID TX0080015) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does City of Wallis serve?

City of Wallis reports serving 1,292 people through 611 service connections in Austin County, Texas.

Where does City of Wallis 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 City of Wallis have any drinking water violations?

EPA's records list 11 violations for this system; none is 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 City of Wallis' 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 11 violations for this system; none is 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 City of Wallis' water quality report?

As a community water system, City of Wallis 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 Austin County

Water system	County	Population served	Type	Source
City of Sealy	Austin	6,839	Community	Groundwater
City of Bellville	Austin	4,206	Community	Groundwater
West End WSC	Austin	2,910	Community	Groundwater
Austin County WSC 1	Austin	1,080	Community	Groundwater
Austin County WSC 4	Austin	681	Community	Groundwater
City of Brazos Country	Austin	579	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, “City of Wallis, PWSID TX0080015, Texas”, https://aquacensus.com/water-systems/texas/city-of-wallis-tx0080015 (data as of October 1, 2026).