1005 W. Elm Ave., Flandreau, SD 57028 · Moody County · Publicly Owned Treatment Works
Flandreau, City Of is a publicly owned wastewater treatment plant in Flandreau, Moody County, South Dakota, serving about 2,512 residents. It discharges under NPDES permit SD0021831 (effective), which expires in June 2031, with 0 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in March 2017.
One treatment structure or unit process identified at Flandreau, City Of.
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See the full treatment train at Flandreau, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Flandreau, City Of in EPA's ICIS system.
Latest case · Mar 2017
Flandreau, City of
Administrative order · TSCA, PCBS · Final Order With Penalty · Penalty $2,875
EPA's description of the case:
“This Complaint and Notice of Opportunity for Hearing is isssued to the City of Flandreau for improper disposal of PCBs; failure to keep annual records and logs; failure to properly store PCB items;…”
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Source: EPA ECHO, civil enforcement case 08-2007-0211.
Full case history with a free Klarifi account
Every action against Flandreau, City Of with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Flandreau, City Of.
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Colman · 11 mi away
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0.01 MGD
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0.2 MGD
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Volga, City Of · 25 mi away
0.39 MGD
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White · 27 mi away
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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 April 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms