Fort Bend County Mud 81 WWTP
Katy, TX · Fort Bend County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 0.42 MGD
- NPDES permit
- TX0106046
- Effective
- Permit expires
- January 2029
- Population served
- —
- CWNS 2022
Fort Bend County Mud 81 WWTP is a publicly owned wastewater treatment works in Katy, Fort Bend County, Texas treating an average of 0.26 million gallons per day against a permitted design capacity of 0.42 MGD. Treatment on site includes clarifiers. It discharges under NPDES permit TX0106046 (effective), which expires in January 2029, with 6 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Fort Bend County Mud 81 WWTP.
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Nearby wastewater treatment plants in Texas
Fulshear · 4 mi away
1.11 MGD
Fulshear · 4 mi away
0.17 MGD
Orchard · 5 mi away
0.09 MGD
City Of Katy · 6 mi away
0.61 MGD
Fulshear · 6 mi away
1.09 MGD
Fulshear · 6 mi away
0.2 MGD
Fulshear · 7 mi away
0.42 MGD
Wallis · 7 mi away
0.04 MGD
Fort Bend County Mud 81 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 26, 2025.