Public water system · TX0270141
ActiveRio Ancho Subdivision
At a glance
Rio Ancho Subdivision (PWSID TX0270141) is an active community water system in Burnet County, Texas. It reports serving 570 people through 190 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
570
Service connections
190
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rio Ancho Subdivision compare with other water systems in Burnet County?
By EPA's size categories, Rio Ancho Subdivision is a small system (501 to 3,300 people). Burnet County has 61 active public water systems. Its population served is about 19% below the county average of 708 people per system, and accounts for 1.3% of the 43,175 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 Rio Ancho Subdivision 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 Rio Ancho Subdivision?
EPA lists Rio Ancho Subdivision as privately owned. 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. 46 of the 61 active systems in Burnet County (75%) are also privately owned.
Does Rio Ancho Subdivision have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2013. The violations listed here began between October 2010 and July 2013. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). 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 |
|---|---|---|---|---|
| 2013-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Rio Ancho Subdivision: frequently asked questions
Who runs Rio Ancho Subdivision?
Rio Ancho Subdivision (PWSID TX0270141) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Rio Ancho Subdivision serve?
Rio Ancho Subdivision reports serving 570 people through 190 service connections in Burnet County, Texas.
Where does Rio Ancho Subdivision 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 Rio Ancho Subdivision have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2013. 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 Rio Ancho Subdivision'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 July 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Rio Ancho Subdivision's water quality report?
As a community water system, Rio Ancho Subdivision 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 Burnet County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Marble Falls | Burnet | 8,059 | Community | Surface water |
| City of Burnet | Burnet | 7,011 | Community | Surface water |
| City of Granite Shoals | Burnet | 6,795 | Community | Surface water |
| City of Bertram | Burnet | 3,636 | Community | Groundwater |
| City of Meadowlakes | Burnet | 2,480 | Community | Surface water |
| City of Cottonwood Shores | Burnet | 2,157 | Community | 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, “Rio Ancho Subdivision, PWSID TX0270141, Texas”, https://aquacensus.com/water-systems/texas/rio-ancho-subdivision-tx0270141 (data as of October 1, 2026).