South Mesquite Regional Wastewater Treatment Plant
Mesquite, TX · Dallas County · Publicly Owned Treatment Works
- Average flow
- 37.57 MGD
- Design flow
- 41 MGD
- NPDES permit
- TX0047431
- Effective
- Permit expires
- August 2027
- Population served
- 354,544
- CWNS 2022
South Mesquite Regional Wastewater Treatment Plant is a publicly owned wastewater treatment works in Mesquite, Dallas County, Texas treating an average of 37.57 million gallons per day against a permitted design capacity of 41 MGD, serving about 354,544 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit TX0047431 (effective), which expires in August 2027, with 23 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
- 23
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for South Mesquite Regional Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at South Mesquite Regional Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Crandall · 9 mi away
0.64 MGD
Rockwall · 13 mi away
0.48 MGD
Dallas · 14 mi away
104 MGD
Garland · 14 mi away
22.38 MGD
Terrell · 16 mi away
4.21 MGD
Scurry · 17 mi away
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Rockwall County · 17 mi away
—
Kaufman · 18 mi away
0.64 MGD
South Mesquite Regional Wastewater Treatment Plant: 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 August 13, 2026.