Public water system · TX0100120
ActiveTwu Water Hauler San Antonio
At a glance
Twu Water Hauler San Antonio (PWSID TX0100120) is an active transient non-community water system in Bandera County, Texas. It reports serving 25 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Twu Water Hauler San Antonio compare with other water systems in Bandera County?
By EPA's size categories, Twu Water Hauler San Antonio is a very small system (500 people or fewer). Bandera County has 65 active public water systems. Its population served is well below the county average of 365 people per system, and accounts for 0.1% of the 23,721 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Twu Water Hauler San Antonio is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Texas has 1,622 active transient non-community water systems, 23% of the state's 7,078 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.
Who owns and regulates Twu Water Hauler San Antonio?
EPA lists Twu Water Hauler San Antonio 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. 53 of the 65 active systems in Bandera County (82%) are also privately owned.
Does Twu Water Hauler San Antonio have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2026. The violations listed here began between March 2026 and April 2026. By type: 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2026-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
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.
Twu Water Hauler San Antonio: frequently asked questions
Who runs Twu Water Hauler San Antonio?
Twu Water Hauler San Antonio (PWSID TX0100120) is a transient non-community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Twu Water Hauler San Antonio serve?
Twu Water Hauler San Antonio reports serving 25 people through 1 service connection in Bandera County, Texas.
Where does Twu Water Hauler San Antonio get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Twu Water Hauler San Antonio have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2026. 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 Twu Water Hauler San Antonio'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 April 2026. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Twu Water Hauler San Antonio's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Twu Water Hauler San Antonio is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Bandera County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake Medina Shores | Bandera | 3,660 | Community | Groundwater |
| City of Bandera | Bandera | 3,231 | Community | Groundwater |
| Bandera County Fwsd 1 | Bandera | 1,092 | Community | Groundwater |
| Bandera River Ranch 1 | Bandera | 1,053 | Community | Groundwater |
| Bridlegate Subdivision | Bandera | 882 | Community | Groundwater |
| Flying L PUD | Bandera | 837 | 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, “Twu Water Hauler San Antonio, PWSID TX0100120, Texas”, https://aquacensus.com/water-systems/texas/twu-water-hauler-san-antonio-tx0100120 (data as of October 1, 2026).