Portage Des Sioux WWTP
Portage Des Sioux, MO · Saint Charles County · Publicly Owned Treatment Works
- Average flow
- 8.8 MGD
- Design flow
- —
- NPDES permit
- 3602102038
- Effective
- Permit expires
- September 2024
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological Treatment, Other
unit processDisinfection, UV
unit processBiosolids Aerobic Digestion
unit processScreening
unit processFlow Equalization
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Portage Des Sioux WWTP are available in the Klarifi platform.
Unlock contacts for this facility
Names, validated emails and direct phone numbers for decision-makers at Portage Des Sioux WWTP — plus full compliance history and discharge data.
Try Klarifi freeData sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.