San Benito Waste Water Treatment Plant
1900 Line 20 Rd, San Benito, TX 78586 · Cameron County · Publicly Owned Treatment Works
- Average flow
- 1.86 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 1.86 million gallons per day against a permitted design capacity of 3.75 MGD. It discharges under NPDES permit TX0135470 (effective), which expires in February 2031, with 7 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in April 2019.
Treatment technology
3 treatment structures and unit processes identified at San Benito Waste Water Treatment Plant.
Available with a free Klarifi account
See the full treatment train at San Benito Waste Water Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for San Benito Waste Water Treatment Plant in EPA's ICIS system.
- Formal actions
- 3
- 0 since FY2020
- Penalties assessed
- $50,760
- all cases
- Compliance actions
- $28,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2019
San Benito, City of
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $3,000
EPA's description of the case:
“City of San Benito order issued for effluent violations of the permit limits. Corrective plan to be submitted.”
Source: EPA ECHO, civil enforcement case 06-2019-1737.
Full case history with a free Klarifi account
Every action against San Benito Waste Water Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at San Benito Waste Water Treatment Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Harlingen · 1 mi away
6.87 MGD
Rancho Viejo · 4 mi away
0.41 MGD
Rio Hondo · 6 mi away
0.08 MGD
Los Fresnos · 12 mi away
1.19 MGD
La Feria · 13 mi away
0.8 MGD
Santa Rosa · 13 mi away
0.27 MGD
Sebastian · 15 mi away
0.1 MGD
Mercedes · 17 mi away
2.21 MGD
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 October 26, 2026; facility record last updated April 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms