Wakpamni Community Lagoon
Pine Ridge, SD · Shannon County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.007 MGD
- NPDES permit
- SDG589511
- Effective
- Permit expires
- March 2027
- Population served
- —
- CWNS 2022
Wakpamni Community Lagoon is a publicly owned wastewater treatment works in Pine Ridge, Shannon County, South Dakota. Treatment on site includes uncovered lagoons. It discharges under NPDES permit SDG589511 (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 Wakpamni Community Lagoon.
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Nearby wastewater treatment plants in South Dakota
Pine Ridge · 14 mi away
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Pine Ridge · 15 mi away
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Porcupine · 17 mi away
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Manderson · 22 mi away
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Martin · 23 mi away
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Kyle · 28 mi away
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Oglala · 32 mi away
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Pine Ridge · 36 mi away
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Wakpamni 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 March 14, 2025.