Manderson Community Lagoon
Manderson, SD · Shannon County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.14 MGD
- NPDES permit
- SDG589504
- Effective
- Permit expires
- March 2027
- Population served
- —
- CWNS 2022
Manderson Community Lagoon is a publicly owned wastewater treatment works in Manderson, Shannon County, South Dakota. Treatment on site includes uncovered lagoons. It discharges under NPDES permit SDG589504 (effective), which expires in 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
- —
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Manderson Community Lagoon.
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Nearby wastewater treatment plants in South Dakota
Porcupine · 7 mi away
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Pine Ridge · 8 mi away
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Kyle · 11 mi away
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Oglala · 14 mi away
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Pine Ridge · 15 mi away
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Pine Ridge · 22 mi away
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Pine Ridge · 32 mi away
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Red Shirt · 37 mi away
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Manderson Community Lagoon: 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 November 5, 2025.