NW Harris County Mud 36 WWTP
Spring, TX · Harris County · Publicly Owned Treatment Works
- Average flow
- 0.2 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- TX0108120
- Administratively continued
- Permit expires
- April 2023
- Population served
- —
- CWNS 2022
NW Harris County Mud 36 WWTP is a publicly owned wastewater treatment works in Spring, Harris County, Texas treating an average of 0.2 million gallons per day against a permitted design capacity of 0.5 MGD. It discharges under NPDES permit TX0108120 (administratively continued), which expires in April 2023, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at NW Harris County Mud 36 WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Spring · 1 mi away
1.06 MGD
Spring · 1 mi away
1.69 MGD
Tomball · 1 mi away
0.04 MGD
Spring · 1 mi away
0.44 MGD
Houston · 2 mi away
0.34 MGD
Houston · 3 mi away
0.43 MGD
Harris County · 3 mi away
0.68 MGD
Spring · 3 mi away
0.38 MGD
NW Harris County Mud 36 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 April 7, 2025.