Public water system · TX0270134
ActiveStone Mountain Subdivision
At a glance
Stone Mountain Subdivision (PWSID TX0270134) is an active community water system in Burnet County, Texas. It reports serving 60 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
20
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stone Mountain Subdivision compare with other water systems in Burnet County?
By EPA's size categories, Stone Mountain Subdivision is a very small system (500 people or fewer). Burnet County has 61 active public water systems. Its population served is well below the county average of 708 people per system, and accounts for 0.1% 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 Stone Mountain 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 Stone Mountain Subdivision?
EPA lists Stone Mountain 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 Stone Mountain Subdivision have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2024 and October 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5), cis-1,2-Dichloroethylene and Pentachlorophenol. EPA lists 12 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
The 12 most recent 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.
Stone Mountain Subdivision: frequently asked questions
Who runs Stone Mountain Subdivision?
Stone Mountain Subdivision (PWSID TX0270134) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Stone Mountain Subdivision serve?
Stone Mountain Subdivision reports serving 60 people through 20 service connections in Burnet County, Texas.
Where does Stone Mountain 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 Stone Mountain Subdivision have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 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 Stone Mountain 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 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 Stone Mountain Subdivision's water quality report?
As a community water system, Stone Mountain 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, “Stone Mountain Subdivision, PWSID TX0270134, Texas”, https://aquacensus.com/water-systems/texas/stone-mountain-subdivision-tx0270134 (data as of October 1, 2026).