Public water system · TX2270001
ActiveCity of Austin Water & Wastewater
At a glance
City of Austin Water & Wastewater (PWSID TX2270001) is an active community water system in Travis County, Texas. It reports serving 1,115,323 people through 279,758 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in February 2022.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,115,323
Service connections
279,758
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Austin Water & Wastewater compare with other water systems in Travis County?
By EPA's size categories, City of Austin Water & Wastewater is a very large system (more than 100,000 people). Travis County has 138 active public water systems, and City of Austin Water & Wastewater is the largest of them by population served. Its population served is about 99 times the county average of 11,267 people per system, and accounts for 72% of the 1,554,848 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 Austin Water & Wastewater is about 166 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 328 Texas systems (4.6%) list surface water as their primary source.
Who owns and regulates City of Austin Water & Wastewater?
EPA lists City of Austin Water & Wastewater 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. 66 of the 138 active systems in Travis County (48%) are also owned by a local government.
Does City of Austin Water & Wastewater have drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in February 2022. The violations listed here began between February 2008 and February 2022. By type: 5 required treatment not met, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (5 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2022-02-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-10-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-10-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-10-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-10-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2008-09-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-02-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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 Austin Water & Wastewater: frequently asked questions
Who runs City of Austin Water & Wastewater?
City of Austin Water & Wastewater (PWSID TX2270001) 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 Austin Water & Wastewater serve?
City of Austin Water & Wastewater reports serving 1,115,323 people through 279,758 service connections in Travis County, Texas.
Where does City of Austin Water & Wastewater get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does City of Austin Water & Wastewater have any drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in February 2022. 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 Austin Water & Wastewater'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 7 violations for this system; 5 are health-based, and the most recent began in February 2022. 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 Austin Water & Wastewater's water quality report?
As a community water system, City of Austin Water & Wastewater 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 Travis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Pflugerville | Travis | 63,464 | Community | Surface water |
| Travis County Wcid 17 | Travis | 45,165 | Community | Surface water |
| Manville WSC | Travis | 39,648 | Community | Purchased surface water |
| West Travis County Public Utility Agency | Travis | 35,664 | Community | Surface water |
| Windermere Community | Travis | 21,231 | Community | Purchased surface water |
| City of Manor | Travis | 19,620 | 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 Austin Water & Wastewater, PWSID TX2270001, Texas”, https://aquacensus.com/water-systems/texas/city-of-austin-water-wastewater-tx2270001 (data as of October 1, 2026).