Montgomery Co Ud 3 WWTP
15663 Highway 105, Montgomery, TX 77356 · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 1.18 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- TX0069469
- Effective
- Permit expires
- February 2029
- Population served
- 3,804
- CWNS 2022
Montgomery Co Ud 3 WWTP is a publicly owned wastewater treatment works in Montgomery, Montgomery County, Texas treating an average of 1.18 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 3,804 residents. It discharges under NPDES permit TX0069469 (effective), which expires in February 2029, with 4 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Montgomery Co Ud 3 WWTP.
Available with a free Klarifi account
See the full treatment train at Montgomery Co Ud 3 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Montgomery Co Ud 3 WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Montgomery Co Ud 3 WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Montgomery · 2 mi away
1.07 MGD
Montgomery · 2 mi away
0.06 MGD
Montgomery · 3 mi away
0.83 MGD
Houston · 4 mi away
0.29 MGD
Willis · 4 mi away
0.22 MGD
Willis · 5 mi away
0.47 MGD
Conroe · 5 mi away
0.69 MGD
Willis · 5 mi away
0.25 MGD
Montgomery Co Ud 3 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 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms