Stephenville Wastewater Treatment Plant
900 Cr 454, Stephenville, TX 76401 · Erath County · Publicly Owned Treatment Works
- Average flow
- 1.58 MGD
- Design flow
- 3 MGD
- NPDES permit
- TX0024228
- Effective
- Permit expires
- March 2030
- Population served
- 18,589
- CWNS 2022
Stephenville Wastewater Treatment Plant is a publicly owned wastewater treatment works in Stephenville, Erath County, Texas treating an average of 1.58 million gallons per day against a permitted design capacity of 3 MGD, serving about 18,589 residents. It discharges under NPDES permit TX0024228 (effective), which expires in March 2030, with 18 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in December 2025.
Treatment technology
2 treatment structures and unit processes identified at Stephenville Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Stephenville Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
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 Stephenville Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 3
- 2 since FY2020
- Compliance actions
- $30,000
- required by EPA orders
- EPA inspections
- 4
- latest Feb 2007
Latest case · Dec 2025
City of Stephenville Wastewater Treatment Facility
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication
EPA's description of the case:
“On December 30, 2025, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to the City of Stephenville Wastewater Treatment Facility, in…”
Unlock EPA's full description by creating a free account on Klarifi. Create a free account →
Source: EPA ECHO, civil enforcement case 06-2026-1723.
Full case history with a free Klarifi account
Every action against Stephenville Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
19 verified contacts for Stephenville Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 19 verified contacts (16 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Stephenville Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Dublin · 13 mi away
0.48 MGD
Hico · 18 mi away
0.22 MGD
Tolar · 21 mi away
0.17 MGD
Deleon · 21 mi away
0.24 MGD
Iredell · 24 mi away
0.04 MGD
Lipan · 25 mi away
0.02 MGD
Comanche · 25 mi away
0.03 MGD
Gordon · 26 mi away
0.01 MGD
Stephenville Wastewater Treatment Plant: 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 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms