Public water system · TX2270355
ActiveCottonwood Creek MUD 1
At a glance
Cottonwood Creek MUD 1 (PWSID TX2270355) is an active community water system in Travis County, Texas. It reports serving 5,082 people through 1,694 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,082
Service connections
1,694
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Cottonwood Creek MUD 1 compare with other water systems in Travis County?
By EPA's size categories, Cottonwood Creek MUD 1 is a medium system (3,301 to 10,000 people). Travis County has 138 active public water systems. Its population served is about half of the county average of 11,267 people per system, and accounts for 0.3% 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 Cottonwood Creek MUD 1 is about 24% 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 302 Texas systems (4.3%) list purchased groundwater as their primary source.
Who owns and regulates Cottonwood Creek MUD 1?
EPA lists Cottonwood Creek MUD 1 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 Cottonwood Creek MUD 1 have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between June 2021 and December 2024. By type: 1 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminants or rules involved are Lead and Copper Rule, Public Notice and Revised Total Coliform Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2024-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 3 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.
Cottonwood Creek MUD 1: frequently asked questions
Who runs Cottonwood Creek MUD 1?
Cottonwood Creek MUD 1 (PWSID TX2270355) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Cottonwood Creek MUD 1 serve?
Cottonwood Creek MUD 1 reports serving 5,082 people through 1,694 service connections in Travis County, Texas.
Where does Cottonwood Creek MUD 1 get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Cottonwood Creek MUD 1 have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2024. 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 Cottonwood Creek MUD 1'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 3 violations for this system; none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Cottonwood Creek MUD 1's water quality report?
As a community water system, Cottonwood Creek MUD 1 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 Austin Water & Wastewater | Travis | 1,115,323 | Community | Surface water |
| 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 |
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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, “Cottonwood Creek MUD 1, PWSID TX2270355, Texas”, https://aquacensus.com/water-systems/texas/cottonwood-creek-mud-1-tx2270355 (data as of October 1, 2026).