Conroe Southwest Regional WWTP
Conroe, TX · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 9.4 MGD
- Design flow
- 12 MGD
- NPDES permit
- TX0022268
- Effective
- Permit expires
- October 2029
- Population served
- 50,004
- CWNS 2022
Conroe Southwest Regional WWTP is a publicly owned wastewater treatment works in Conroe, Montgomery County, Texas treating an average of 9.4 million gallons per day against a permitted design capacity of 12 MGD, serving about 50,004 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit TX0022268 (effective), which expires in October 2029, with 9 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Conroe
Conroe's capital improvement plan lists 48 water, sewer and wastewater line items worth $208M starting 2024–2031. The largest budgeted items are shown here.
All water and sewer capital projects in Conroe →
| Project | Budget | Years |
|---|---|---|
| Wastewater Treatment Plant Expansion - Conroe Central | $15,492,000 | 2029–2033 |
| Water Plant - Wedgewod Point | $13,225,000 | 2030–2034 |
| Water Plant #33 - Longmire Road League Line | $11,500,000 | 2024–2025 |
| Water Plant - E. Wally Wilkerson Parkway and FM 1484 | $9,680,000 | 2029–2030 |
| Water Plant #34 - East SH 242 Area | $9,200,000 | 2025–2027 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
11 verified contacts for Conroe Southwest Regional WWTP, with validated emails and direct phone numbers.
Unlock 11 verified contacts (8 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Conroe Southwest Regional WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Conroe · 2 mi away
0.28 MGD
Montgomery · 3 mi away
0.97 MGD
Conroe · 3 mi away
3.54 MGD
Conroe · 4 mi away
1.77 MGD
Conroe · 5 mi away
0.05 MGD
Conroe · 5 mi away
0.73 MGD
Conroe · 5 mi away
0.66 MGD
The Woodlands · 5 mi away
4.58 MGD
Conroe Southwest Regional 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 May 27, 2025.