Public water system · TX0110054
ActiveThe Colony MUD 1b
At a glance
The Colony MUD 1b (PWSID TX0110054) is an active community water system in Bastrop County, Texas. It reports serving 657 people through 220 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
657
Service connections
220
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does The Colony MUD 1b compare with other water systems in Bastrop County?
By EPA's size categories, The Colony MUD 1b is a small system (501 to 3,300 people). Bastrop County has 23 active public water systems. Its population served is well below the county average of 5,692 people per system, and accounts for 0.5% 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 1b 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. 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 1b?
EPA lists The Colony MUD 1b 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 1b have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2025. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2025-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.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 1b: frequently asked questions
Who runs The Colony MUD 1b?
The Colony MUD 1b (PWSID TX0110054) 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 1b serve?
The Colony MUD 1b reports serving 657 people through 220 service connections in Bastrop County, Texas.
Where does The Colony MUD 1b 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 1b have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2025. 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 1b'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 one violation for this system; it is not health-based, and the most recent began in September 2025. 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 1b's water quality report?
As a community water system, The Colony MUD 1b 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 |
| The Colony MUD 1a | Bastrop | 2,262 | Community | Purchased 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 1b, PWSID TX0110054, Texas”, https://aquacensus.com/water-systems/texas/the-colony-mud-1b-tx0110054 (data as of October 1, 2026).