Public water system · TX0710005
ActiveHorizon Regional MUD
At a glance
Horizon Regional MUD (PWSID TX0710005) is an active community water system in El Paso County, Texas. It reports serving 31,542 people through 23,158 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31,542
Service connections
23,158
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Horizon Regional MUD compare with other water systems in El Paso County?
By EPA's size categories, Horizon Regional MUD is a large system (10,001 to 100,000 people). El Paso County has 32 active public water systems, and Horizon Regional MUD is the 4th-largest of them by population served. Its population served is about 11% above the county average of 28,493 people per system, and accounts for 3.5% of the 911,779 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 Horizon Regional MUD is about 4.7 times 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 Horizon Regional MUD?
EPA lists Horizon Regional MUD as owned by a local 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. 12 of the 32 active systems in El Paso County (38%) are also owned by a local government.
Does Horizon Regional MUD have drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2024. The violations listed here began between July 1992 and July 2024. By type: 6 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2017-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 8 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.
Horizon Regional MUD: frequently asked questions
Who runs Horizon Regional MUD?
Horizon Regional MUD (PWSID TX0710005) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Horizon Regional MUD serve?
Horizon Regional MUD reports serving 31,542 people through 23,158 service connections in El Paso County, Texas.
Where does Horizon Regional MUD 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 Horizon Regional MUD have any drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 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 Horizon Regional MUD'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 8 violations for this system; 1 is health-based, and the most recent began in July 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 Horizon Regional MUD's water quality report?
As a community water system, Horizon Regional MUD 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 El Paso County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| El Paso Water Utilities | El Paso | 747,168 | Community | Surface water |
| Lower Valley Water District | El Paso | 59,049 | Community | Purchased surface water |
| Paseo Del Este MUD 1 | El Paso | 36,773 | Community | Purchased surface water |
| East Montana Water System | El Paso | 11,480 | Community | Purchased surface water |
| El Paso County Wcid 4 Fabens | El Paso | 9,444 | Community | Groundwater |
| Town of Anthony | El Paso | 5,555 | 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, “Horizon Regional MUD, PWSID TX0710005, Texas”, https://aquacensus.com/water-systems/texas/horizon-regional-mud-tx0710005 (data as of October 1, 2026).