Stephan Lagoon System
Stephan, SD · Hyde County · Publicly Owned Treatment Works
- Average flow
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- Design flow
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- NPDES permit
- 3603574172
- Effective
- Permit expires
- March 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
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- Effluent violations
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Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Stephan Lagoon System are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Stephan Lagoon System — plus full compliance history and discharge data.
Try Klarifi freeData sourced from public EPA / NPDES records and Klarifi analysis. Last updated February 2025.