Caddo Lake State Park WWTP
245 Park Rd 2, Karnack, TX 75661 · Harrison County · Publicly Owned Treatment Works
- Average flow
- 0.0075 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- TX0124125
- Administratively continued
- Permit expires
- July 2026
- Population served
- —
- CWNS 2022
Caddo Lake State Park WWTP is a publicly owned wastewater treatment works in Karnack, Harrison County, Texas treating an average of 0.0075 million gallons per day against a permitted design capacity of 0.04 MGD. It discharges under NPDES permit TX0124125 (administratively continued), which expires in July 2026, with 35 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Caddo Lake State Park WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 35
- Effluent violations
- 35
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Caddo Lake State Park WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Jefferson · 12 mi away
0.62 MGD
San Antonio · 13 mi away
0.12 MGD
Waskom · 16 mi away
0.36 MGD
Linden · 24 mi away
0.12 MGD
Hallsville · 25 mi away
0.75 MGD
Avinger · 27 mi away
0.03 MGD
Atlanta · 30 mi away
2.04 MGD
Avinger · 31 mi away
0.46 MGD
Caddo Lake State Park 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 March 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms