Southside WWTF
Brownsville, TX · Cameron County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 12.8 MGD
- NPDES permit
- TX0055484
- Effective
- Permit expires
- October 2027
- Population served
- 3,704
- CWNS 2022
Southside WWTF is a publicly owned wastewater treatment works in Brownsville, Cameron County, Texas, serving about 3,704 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit TX0055484 (effective), which expires in October 2027, with 14 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
- 14
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
32 verified contacts for Southside WWTF, with validated emails and direct phone numbers.
Unlock 32 verified contacts (29 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Southside WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Brownsville · 4 mi away
13.69 MGD
Brownsville · 6 mi away
0.11 MGD
Los Fresnos · 12 mi away
1.71 MGD
Laguna Vista · 18 mi away
0.33 MGD
Port Isabel · 18 mi away
1.4 MGD
Port Isabel · 19 mi away
1.15 MGD
Rancho Viejo · 20 mi away
0.72 MGD
San Benito · 22 mi away
2.02 MGD
Southside WWTF: 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 26, 2025.