West Brule Lagoon South
South Of Route 10/PO Box 807, Lower Brule, SD 57548 · Lyman County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.01 MGD
- NPDES permit
- SDG589402
- Effective
- Permit expires
- March 2027
- Population served
- —
- CWNS 2022
West Brule Lagoon South is a publicly owned wastewater treatment works in Lower Brule, Lyman County, South Dakota. It discharges under NPDES permit SDG589402 (effective), which expires in March 2027, with 46 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at West Brule Lagoon South.
Available with a free Klarifi account
See the full treatment train at West Brule Lagoon South: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 46
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for West Brule Lagoon South in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 2
- latest Mar 2005
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against West Brule Lagoon South with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at West Brule Lagoon South.
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Nearby wastewater treatment plants in South Dakota
Lower Brule · 1 mi away
—
Fort Thompson · 6 mi away
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Fort Thompson · 7 mi away
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Fort Thompson · 8 mi away
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Reliance · 13 mi away
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Stephan · 13 mi away
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Kennebec · 18 mi away
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Fort Thompson · 19 mi away
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West Brule Lagoon South: 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 October 26, 2026; facility record last updated August 9, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms