Public water system · CA5000588
ActiveAt&T Water System
At a glance
At&T Water System (PWSID CA5000588) is an active non-transient non-community water system in Stanislaus County, Texas. It reports serving 80 people through 3 service connections. Its primary water source is groundwater, 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 October 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does At&T Water System compare with other water systems in Stanislaus County?
By EPA's size categories, At&T Water System is a very small system (500 people or fewer). Stanislaus County has 1 active public water system, and At&T Water System is the largest of them by population served. Its population served is roughly in line with the county average of 80 people per system, and accounts for 100% of the 80 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so At&T Water System is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Texas has 862 active non-transient non-community water systems, 12% 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 At&T Water System?
EPA lists At&T Water System as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 1 active systems in Stanislaus County (100%) are also privately owned.
Does At&T Water System have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2018. The violations listed here began between October 2017 and October 2018. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2017-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
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.
At&T Water System: frequently asked questions
Who runs At&T Water System?
At&T Water System (PWSID CA5000588) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does At&T Water System serve?
At&T Water System reports serving 80 people through 3 service connections in Stanislaus County, Texas.
Where does At&T Water System 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 At&T Water System have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2018. 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 At&T Water System'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 October 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find At&T Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. At&T Water System is a non-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.
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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, “At&T Water System, PWSID CA5000588, Texas”, https://aquacensus.com/water-systems/texas/at-t-water-system-ca5000588 (data as of October 1, 2026).