Cowden STP
Cowden, IL · Shelby County · Publicly Owned Treatment Works
- Average flow
- 0.2 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- 3603718469
- Effective
- Permit expires
- August 2028
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 71
- Effluent violations
- 71
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Cowden STP are available in the Klarifi platform.
Unlock contacts for this facility
Names, validated emails and direct phone numbers for decision-makers at Cowden STP — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Illinois
Herrick · 6 mi away
0.03 MGD
Tower Hill · 10 mi away
0.05 MGD
Shelbyville · 11 mi away
0.67 MGD
Shumway · 12 mi away
0.008 MGD
Stewardson · 12 mi away
0.11 MGD
Pana · 13 mi away
1.18 MGD
Altamont · 14 mi away
0.09 MGD
Strasburg · 14 mi away
0.06 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated March 2025.