San Benito Waste Water Treatment Plant
San Benito, TX · Cameron County · Publicly Owned Treatment Works
- Average flow
- 2.02 MGD
- Design flow
- 3.75 MGD
- NPDES permit
- TX0135470
- Effective
- Permit expires
- February 2031
- Population served
- —
- CWNS 2022
San Benito Waste Water Treatment Plant is a publicly owned wastewater treatment works in San Benito, Cameron County, Texas treating an average of 2.02 million gallons per day against a permitted design capacity of 3.75 MGD. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit TX0135470 (effective), which expires in February 2031, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at San Benito Waste Water Treatment Plant.
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Rio Hondo · 6 mi away
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Los Fresnos · 12 mi away
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La Feria · 13 mi away
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Santa Rosa · 13 mi away
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Sebastian · 15 mi away
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Mercedes · 17 mi away
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San Benito Waste Water 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 April 12, 2025.