Southside WTP
Henderson, TX · Rusk County · Publicly Owned Treatment Works
- Average flow
- 1.81 MGD
- Design flow
- 3 MGD
- NPDES permit
- TX0141763
- Effective
- Permit expires
- January 2028
- Population served
- —
- CWNS 2022
Southside WTP is a publicly owned wastewater treatment plant in Henderson, Rusk County, Texas treating an average of 1.81 million gallons per day against a permitted design capacity of 3 MGD. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit TX0141763 (effective), which expires in January 2028, with 16 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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Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Southside WTP.
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Nearby wastewater treatment plants in Texas
Henderson · 5 mi away
0.61 MGD
Overton · 13 mi away
0.04 MGD
Overton · 14 mi away
0.41 MGD
Arp · 16 mi away
0.11 MGD
Mount Enterprise · 17 mi away
0.13 MGD
Troup · 18 mi away
0.14 MGD
New Summerfield · 18 mi away
0.0037 MGD
Kilgore · 20 mi away
1.88 MGD
Southside WTP: 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 September 11, 2026.