Welder Park WWTP
Sinton, TX · San Patricio County · Publicly Owned Treatment Works
- Average flow
- 0.0035 MGD
- Design flow
- 0.0086 MGD
- NPDES permit
- TX0110361
- Effective
- Permit expires
- September 2028
- Population served
- 69
- CWNS 2022
Welder Park WWTP is a publicly owned wastewater treatment works in Sinton, San Patricio County, Texas treating an average of 0.0035 million gallons per day against a permitted design capacity of 0.0086 MGD, serving about 69 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit TX0110361 (effective), which expires in September 2028, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Welder Park WWTP.
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Welder Park 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 April 11, 2025.