Su-Regional WWTF Plant
14701 Woodforest Blvd., Houston, TX 77049 · Harris County · Publicly Owned Treatment Works
- Average flow
- 6.48 MGD
- Design flow
- 6.3 MGD
- NPDES permit
- TX0025062
- Effective
- Permit expires
- May 2030
- Population served
- 50,583
- CWNS 2022
Su-Regional WWTF Plant is a publicly owned wastewater treatment works in Houston, Harris County, Texas treating an average of 6.48 million gallons per day against a permitted design capacity of 6.3 MGD, serving about 50,583 residents. It discharges under NPDES permit TX0025062 (effective), which expires in May 2030, with 24 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in January 2023.
Treatment technology
One treatment structure or unit process identified at Su-Regional WWTF Plant.
Available with a free Klarifi account
See the full treatment train at Su-Regional WWTF Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 24
- Effluent violations
- 8
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 Su-Regional WWTF Plant in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $50,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jan 2023
Harris Co. FWSD No. 51 - AO
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $50,000
EPA's description of the case:
“On September 1, 2021, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to Harris County FWSD No. 51 Wastewater Treatment Plant. The…”
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Source: EPA ECHO, civil enforcement case 06-2021-1774.
Full case history with a free Klarifi account
Every action against Su-Regional WWTF Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Houston
Houston's capital improvement plan lists 22 water, sewer and wastewater line items worth $1.3B starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Houston →
| Project | Budget | Years |
|---|---|---|
| Wastewater Treatment Plant Improvements | $353,943,200 | 2025–2025 |
| Wastewater Treatment Plant Consolidation | $166,807,000 | 2025–2025 |
| Surface Water Transmission Program | $132,740,144 | 2025–2025 |
| Neighborhood Sewer Rehab Program | $96,000,000 | 2025–2025 |
| Pump Station Program | $87,851,600 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Su-Regional WWTF Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
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Su-Regional WWTF 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 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms