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Flandreau, City Of

1005 W. Elm Ave., Flandreau, SD 57028 · Moody County · Publicly Owned Treatment Works

Average flow
—
Design flow
0.35 MGD
NPDES permit
SD0021831
Effective
Permit expires
June 2031
Population served
2,512
CWNS 2022

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.

Treatment technology

One treatment structure or unit process identified at Flandreau, City Of.

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Compliance snapshot (last 3 years)

Total violations
0
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 Flandreau, City Of in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$2,875
all cases
EPA inspections
2
latest Jun 2007

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.

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Every action against Flandreau, City Of with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at Flandreau, City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in South Dakota

Colman, City Of

Colman · 11 mi away

—

Elkton, City Of

Elkton, City Of · 14 mi away

0.01 MGD

Dell Rapids, City Of

Dell Rapids · 16 mi away

0.2 MGD

Garretson, City Of

Garretson · 23 mi away

—

Volga, City Of

Volga, City Of · 25 mi away

0.39 MGD

Madison-Treatment Plant

Madison · 25 mi away

—

—

Crooks, City Of

Crooks · 28 mi away

—

Flandreau, City Of: 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 April 24, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms


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