Potomac STP
Potomac, IL · Vermilion County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- 0.41 MGD
- NPDES permit
- 3603525934
- Effective
- Permit expires
- May 2027
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Potomac STP are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Potomac STP — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated March 2025.