Dallas Salmon WWTP
703 N Wisconsin Ave, League City, TX 77573 · Galveston County · Publicly Owned Treatment Works
- Average flow
- 12.64 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 12.64 million gallons per day against a permitted design capacity of 12 MGD, serving about 15,000 residents. It discharges under NPDES permit TX0085618 (effective), which expires in April 2029, with 4 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 2024.
Treatment technology
One treatment structure or unit process identified at Dallas Salmon WWTP.
Available with a free Klarifi account
See the full treatment train at Dallas Salmon 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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Dallas Salmon WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $2,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 2024
City of League City (TX0085618)
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $2,000
EPA's description of the case:
“The Administrative Order was issued to City of League City for effluent violations of the permit limits. The facility is required to submit a corrective action plan within 30 days.”
Source: EPA ECHO, civil enforcement case 06-2024-1749.
Full case history with a free Klarifi account
Every action against Dallas Salmon WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Dallas Salmon WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Nassau Bay · 1 mi away
1.08 MGD
Webster · 1 mi away
2.19 MGD
Houston · 4 mi away
9 MGD
Houston · 5 mi away
9.87 MGD
Kemah · 5 mi away
1.76 MGD
El Lago · 5 mi away
0.61 MGD
Dickinson · 5 mi away
6.45 MGD
Bacliff · 5 mi away
0.54 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 October 26, 2026; facility record last updated September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms