Horizon Regional Mud - Horizon City WWTP
1539 Pawling Dr, El Paso, TX 79928 · El Paso County · Publicly Owned Treatment Works
- Average flow
- 2.1 MGD
- Design flow
- 5 MGD
- NPDES permit
- TX0086045
- Effective
- Permit expires
- May 2029
- Population served
- 8,438
- CWNS 2022
Horizon Regional Mud - Horizon City WWTP is a publicly owned wastewater treatment works in El Paso, El Paso County, Texas treating an average of 2.1 million gallons per day against a permitted design capacity of 5 MGD, serving about 8,438 residents. It discharges under NPDES permit TX0086045 (effective), which expires in May 2029, with 6 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in June 2025.
Treatment technology
One treatment structure or unit process identified at Horizon Regional Mud - Horizon City WWTP.
Available with a free Klarifi account
See the full treatment train at Horizon Regional Mud - Horizon City WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Horizon Regional Mud - Horizon City WWTP in EPA's ICIS system.
- Formal actions
- 2
- 2 since FY2020
- Compliance actions
- $15,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jun 2025
Horizon Regional Municipal Utility District (TX0086045)
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $15,000
EPA's description of the case:
“Horizon Regional Municipal Utility District was issued the Administrative Order for effluent violations of the permit limits. The order requires a corrective action plan.”
Source: EPA ECHO, civil enforcement case 06-2023-1730.
Full case history with a free Klarifi account
Every action against Horizon Regional Mud - Horizon City WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Horizon Regional Mud - Horizon City WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
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33.07 MGD
Fabens · 12 mi away
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El Paso · 14 mi away
11.57 MGD
Tornillo · 19 mi away
0.32 MGD
Anthony · 30 mi away
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Sierra Blanca · 64 mi away
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Van Horn · 95 mi away
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Fort Davis · 148 mi away
0.0049 MGD
Horizon Regional Mud - Horizon City WWTP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated May 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms