Public water system · TX0110053
ActiveThe Colony MUD 1a
At a glance
The Colony MUD 1a (PWSID TX0110053) is an active community water system in Bastrop County, Texas. It reports serving 2,262 people through 754 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 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
2,262
Service connections
754
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does The Colony MUD 1a compare with other water systems in Bastrop County?
By EPA's size categories, The Colony MUD 1a is a small system (501 to 3,300 people). Bastrop County has 23 active public water systems, and The Colony MUD 1a is the 6th-largest of them by population served. Its population served is about 60% below the county average of 5,692 people per system, and accounts for 1.7% of the 130,906 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 The Colony MUD 1a is about 66% 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 The Colony MUD 1a?
EPA lists The Colony MUD 1a 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. 16 of the 23 active systems in Bastrop County (70%) are also owned by a local government.
Does The Colony MUD 1a have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between April 2020 and December 2024. By type: 2 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule and Chlorine. EPA lists 2 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 |
| 2020-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
All 2 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.
The Colony MUD 1a: frequently asked questions
Who runs The Colony MUD 1a?
The Colony MUD 1a (PWSID TX0110053) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does The Colony MUD 1a serve?
The Colony MUD 1a reports serving 2,262 people through 754 service connections in Bastrop County, Texas.
Where does The Colony MUD 1a 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 The Colony MUD 1a have any drinking water violations?
EPA's records list 2 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 The Colony MUD 1a'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 2 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 The Colony MUD 1a's water quality report?
As a community water system, The Colony MUD 1a 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 Bastrop County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua WSC | Bastrop | 86,325 | Community | Groundwater |
| City of Bastrop | Bastrop | 13,209 | Community | Groundwater under influence of surface water |
| City of Elgin | Bastrop | 13,188 | Community | Groundwater |
| Bastrop County Wcid 2 | Bastrop | 7,269 | Community | Groundwater |
| City of Smithville | Bastrop | 4,901 | Community | Groundwater |
| Bastrop County Wcid 1 | Bastrop | 696 | 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, “The Colony MUD 1a, PWSID TX0110053, Texas”, https://aquacensus.com/water-systems/texas/the-colony-mud-1a-tx0110053 (data as of October 1, 2026).