Harris County Mud 167 WWTP
4950 Old Greenhouse Rd, Katy, TX 77449 · Harris County · Publicly Owned Treatment Works
- Average flow
- 1.53 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- TX0094307
- Effective
- Permit expires
- June 2031
- Population served
- —
- CWNS 2022
Harris County Mud 167 WWTP is a publicly owned wastewater treatment works in Katy, Harris County, Texas treating an average of 1.53 million gallons per day against a permitted design capacity of 1.6 MGD. It discharges under NPDES permit TX0094307 (effective), which expires in June 2031, with 3 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Harris County Mud 167 WWTP.
Available with a free Klarifi account
See the full treatment train at Harris County Mud 167 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Harris County Mud 167 WWTP.
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Nearby wastewater treatment plants in Texas
Katy · 1 mi away
0.31 MGD
Houston · 1 mi away
0.58 MGD
Katy · 2 mi away
1.86 MGD
Houston · 2 mi away
1.73 MGD
Katy · 2 mi away
0.66 MGD
Houston · 3 mi away
1.28 MGD
Houston · 3 mi away
0.41 MGD
Houston · 3 mi away
0.68 MGD
Harris County Mud 167 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 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms