Blackhawk Regional WWTP
3902 West Bay Blvd, Houston, TX 77058 · Harris County · Publicly Owned Treatment Works
- Average flow
- 9.87 MGD
- Design flow
- 9.25 MGD
- NPDES permit
- TX0069728
- Effective
- Permit expires
- January 2030
- Population served
- 57,528
- CWNS 2022
Blackhawk Regional WWTP is a publicly owned wastewater treatment works in Houston, Harris County, Texas treating an average of 9.87 million gallons per day against a permitted design capacity of 9.25 MGD, serving about 57,528 residents. It discharges under NPDES permit TX0069728 (effective), which expires in January 2030, with 19 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in February 2025.
Treatment technology
One treatment structure or unit process identified at Blackhawk Regional WWTP.
Available with a free Klarifi account
See the full treatment train at Blackhawk Regional WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 19
- 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 Blackhawk Regional WWTP in EPA's ICIS system.
- Formal actions
- 2
- 1 since FY2020
- Compliance actions
- $180,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Feb 2025
Friendswood, City of
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $175,000
EPA's description of the case:
“On February 28, 2025, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to 1. Gulf Coast Authority WWTF. The AO was issued in…”
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Source: EPA ECHO, civil enforcement case 06-2025-1724.
Full case history with a free Klarifi account
Every action against Blackhawk Regional WWTP 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 Blackhawk Regional WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
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Webster · 4 mi away
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League City · 5 mi away
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Pearland · 5 mi away
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Nassau Bay · 5 mi away
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Houston · 6 mi away
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Houston · 7 mi away
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Houston · 7 mi away
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Blackhawk Regional 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 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms