Harris Co Mud 105 WWTP
5730 Whitwell Dr, Katy, TX 77449 · Harris County · Publicly Owned Treatment Works
- Average flow
- 1.86 MGD
- Design flow
- 3 MGD
- NPDES permit
- TX0070971
- Effective
- Permit expires
- February 2027
- Population served
- 6,621
- CWNS 2022
Harris Co Mud 105 WWTP is a publicly owned wastewater treatment works in Katy, Harris County, Texas treating an average of 1.86 million gallons per day against a permitted design capacity of 3 MGD, serving about 6,621 residents. It discharges under NPDES permit TX0070971 (effective), which expires in February 2027, with 30 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Harris Co Mud 105 WWTP.
Available with a free Klarifi account
See the full treatment train at Harris Co Mud 105 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Harris Co Mud 105 WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Harris Co Mud 105 WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Katy · 2 mi away
0.31 MGD
Katy · 2 mi away
1.53 MGD
Houston · 2 mi away
1.28 MGD
Houston · 3 mi away
0.58 MGD
Katy · 3 mi away
1.12 MGD
Houston · 3 mi away
1.73 MGD
Katy · 3 mi away
0.94 MGD
Houston · 4 mi away
0.59 MGD
Harris Co Mud 105 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 · WWTP · Biosolids · all terms