Barwood Wastewater Treatment Plant
11311 Marrs Drive, Houston, TX 77065 · Harris County · Publicly Owned Treatment Works
- Average flow
- 1.12 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- TX0022853
- Effective
- Permit expires
- June 2027
- Population served
- 3,357
- CWNS 2022
Barwood Wastewater Treatment Plant is a publicly owned wastewater treatment works in Houston, Harris County, Texas treating an average of 1.12 million gallons per day against a permitted design capacity of 1.6 MGD, serving about 3,357 residents. It discharges under NPDES permit TX0022853 (effective), which expires in June 2027, with 4 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Barwood Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Barwood Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
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 Barwood Wastewater Treatment Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Cypress · 1 mi away
2.85 MGD
Houston · 2 mi away
0.53 MGD
Cypress · 2 mi away
0.14 MGD
Houston · 2 mi away
0.57 MGD
Houston · 2 mi away
0.29 MGD
Cypress · 2 mi away
0.85 MGD
Houston · 3 mi away
0.36 MGD
Houston · 3 mi away
0.39 MGD
Barwood 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 February 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms