Steep Bank/flat Bank WWTP
Missouri City, TX · Fort Bend County · Publicly Owned Treatment Works
- Average flow
- 4.13 MGD
- Design flow
- 6 MGD
- NPDES permit
- TX0114855
- Effective
- Permit expires
- February 2030
- Population served
- 22,224
- CWNS 2022
Steep Bank/flat Bank WWTP is a publicly owned wastewater treatment works in Missouri City, Fort Bend County, Texas treating an average of 4.13 million gallons per day against a permitted design capacity of 6 MGD, serving about 22,224 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit TX0114855 (effective), which expires in February 2030, with 68 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 68
- Effluent violations
- 67
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Steep Bank/flat Bank WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Steep Bank/flat Bank WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Sugar Land · 1 mi away
8.37 MGD
Missouri City · 2 mi away
0.32 MGD
Missouri City · 2 mi away
2.11 MGD
Stafford · 4 mi away
5.76 MGD
Fresno · 4 mi away
1.31 MGD
Missouri City · 4 mi away
0.52 MGD
Sugar Land · 5 mi away
4.99 MGD
Missouri City · 5 mi away
0.78 MGD
Steep Bank/flat Bank 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 September 11, 2026; facility record last updated May 29, 2025.