City Of Silsbee South WWTP
400' E & 800' S Intx Ushwy 96/, Silsbee, TX 77656 · Hardin County · Publicly Owned Treatment Works
- Average flow
- 2.07 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- TX0023736
- Effective
- Permit expires
- May 2027
- Population served
- 5,672
- CWNS 2022
City Of Silsbee South WWTP is a publicly owned wastewater treatment works in Silsbee, Hardin County, Texas treating an average of 2.07 million gallons per day against a permitted design capacity of 1.6 MGD, serving about 5,672 residents. It discharges under NPDES permit TX0023736 (effective), which expires in May 2027, with 21 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in December 2023.
Treatment technology
Treatment structures and unit processes at City Of Silsbee South WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 11
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 City Of Silsbee South WWTP in EPA's ICIS system.
- Formal actions
- 2
- 2 since FY2020
- Compliance actions
- $15,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2023
City of Silsbee South WWTP TX0023736
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $15,000
EPA's description of the case:
“On December 11, 2023, EPA Region 6 issued an Administrative Order under its authority pursuant to Section 309 of the Clean Water Act to the City of Silsbee WWTP, in Silsbee, Hardin County, Texas…”
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Source: EPA ECHO, civil enforcement case 06-2024-1712.
Full case history with a free Klarifi account
Every action against City Of Silsbee South WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for City Of Silsbee South WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at City Of Silsbee South WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Silsbee · 2 mi away
0.37 MGD
Evadale · 6 mi away
0.17 MGD
Kountze · 8 mi away
0.43 MGD
Lumberton · 8 mi away
3.79 MGD
Jasper · 14 mi away
0.11 MGD
Sour Lake · 15 mi away
0.16 MGD
Vidor · 17 mi away
3.45 MGD
Rose City · 19 mi away
0.02 MGD
City Of Silsbee South 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 October 26, 2026; facility record last updated December 25, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms