Dallas Salmon WWTP
League City, TX · Galveston County · Publicly Owned Treatment Works
- Average flow
- 11.35 MGD
- Design flow
- 12 MGD
- NPDES permit
- TX0085618
- Effective
- Permit expires
- April 2029
- Population served
- 15,000
- CWNS 2022
Dallas Salmon WWTP is a publicly owned wastewater treatment works in League City, Galveston County, Texas treating an average of 11.35 million gallons per day against a permitted design capacity of 12 MGD, serving about 15,000 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit TX0085618 (effective), which expires in April 2029, with 4 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
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Dallas Salmon WWTP.
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Nearby wastewater treatment plants in Texas
Nassau Bay · 1 mi away
0.74 MGD
Webster · 1 mi away
1.7 MGD
Houston · 4 mi away
6.3 MGD
Houston · 5 mi away
7.25 MGD
Kemah · 5 mi away
0.69 MGD
El Lago · 5 mi away
0.24 MGD
Dickinson · 5 mi away
9.8 MGD
Bacliff · 5 mi away
0.32 MGD
Dallas Salmon 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.