Porter Mud WWTP
7200F S/SE Ushwy 59 & Fm 1314, Porter, TX 77365 · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 3.54 MGD
- Design flow
- 5 MGD
- NPDES permit
- TX0084042
- Effective
- Permit expires
- February 2031
- Population served
- 7,223
- CWNS 2022
Porter Mud WWTP is a publicly owned wastewater treatment works in Porter, Montgomery County, Texas treating an average of 3.54 million gallons per day against a permitted design capacity of 5 MGD, serving about 7,223 residents. It discharges under NPDES permit TX0084042 (effective), which expires in February 2031, with 18 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 2025.
Treatment technology
Treatment structures and unit processes at Porter Mud WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Porter Mud WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $15,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 2025
Porter Municipal Utility District AO (TX0084042)
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $15,000
EPA's description of the case:
“The order was issued to Porter Municipal Utility District for effluent violations of permit limitations. Facility to provide a corrective action plan.”
Source: EPA ECHO, civil enforcement case 06-2023-1732.
Full case history with a free Klarifi account
Every action against Porter Mud WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Porter Mud WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Conroe · 2 mi away
0.38 MGD
Porter · 3 mi away
0.23 MGD
Houston · 3 mi away
0.27 MGD
Porter · 3 mi away
0.23 MGD
New Caney · 3 mi away
2.51 MGD
Porter · 4 mi away
0.11 MGD
Houston · 5 mi away
1.34 MGD
Houston · 5 mi away
6.73 MGD
Porter Mud 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 March 11, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms