Spirit Lake Casino WWTF
Saint Michael, ND · Benson County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.05 MGD
- NPDES permit
- NDG589204
- Effective
- Permit expires
- March 2027
- Population served
- —
- CWNS 2022
Spirit Lake Casino WWTF is a publicly owned wastewater treatment works in Saint Michael, Benson County, North Dakota. Treatment on site includes uncovered lagoons. It discharges under NPDES permit NDG589204 (effective), which expires in March 2027, with 19 recorded violations in the last three years.
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
- 19
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Spirit Lake Casino WWTF.
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Nearby wastewater treatment plants in North Dakota
Fort Totten · 4 mi away
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Devils Lake · 7 mi away
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Crary · 13 mi away
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Oberon · 15 mi away
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Minnewaukan · 17 mi away
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Maddock · 30 mi away
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Spirit Lake Casino WWTF: 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 September 11, 2026; facility record last updated February 10, 2025.