Public water system · TX2330032
ActiveDiablo East
At a glance
Diablo East (PWSID TX2330032) is an active transient non-community water system in Val Verde County, Texas. It reports serving 80 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
8
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Diablo East compare with other water systems in Val Verde County?
By EPA's size categories, Diablo East is a very small system (500 people or fewer). Val Verde County has 35 active public water systems. Its population served is well below the county average of 1,313 people per system, and accounts for 0.2% of the 45,960 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 Diablo East is about 44% 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. 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 Diablo East?
EPA lists Diablo East as owned by the federal 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. 8 of the 35 active systems in Val Verde County (23%) are also owned by the federal government.
Does Diablo East have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2026. The violations listed here began between January 2023 and February 2026. By type: 9 monitoring, 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (9 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. 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 |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-04-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-11-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Diablo East: frequently asked questions
Who runs Diablo East?
Diablo East (PWSID TX2330032) is a transient non-community water system owned by the federal government. It is regulated by the TX state drinking water program.
How many people does Diablo East serve?
Diablo East reports serving 80 people through 8 service connections in Val Verde County, Texas.
Where does Diablo East 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 Diablo East 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 February 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 Diablo East'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 February 2026. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Diablo East's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Diablo East 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 Val Verde County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Del Rio Utilities Commission | Val Verde | 36,506 | Community | Groundwater under influence of surface water |
| Laughlin Air Force Base | Val Verde | 4,010 | Community | Purchased surface water |
| Lake Ridge Water System | Val Verde | 1,300 | Community | Groundwater |
| Holiday Trav L Park | Val Verde | 660 | Community | Groundwater |
| American Camp Ground | Val Verde | 381 | Community | Groundwater |
| Del Grande Mobile Home Park | Val Verde | 288 | 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, “Diablo East, PWSID TX2330032, Texas”, https://aquacensus.com/water-systems/texas/diablo-east-tx2330032 (data as of October 1, 2026).