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Eagle Butte WWTF

US-212, Eagle Butte, SD 57625 · Dewey County · Publicly Owned Treatment Works

Average flow
—
Design flow
0.32 MGD
NPDES permit
SD0020192
Administratively continued
Permit expires
June 2026
Population served
—
CWNS 2022

Eagle Butte WWTF is a publicly owned wastewater treatment works in Eagle Butte, Dewey County, South Dakota. It discharges under NPDES permit SD0020192 (administratively continued), which expires in June 2026, with 8 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in May 2024.

Treatment technology

One treatment structure or unit process identified at Eagle Butte WWTF.

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Compliance snapshot (last 3 years)

Total violations
8
Effluent violations
3

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 Eagle Butte WWTF in EPA's ICIS system.

Formal actions
3
1 since FY2020
Penalties assessed
$2,500
all cases
Compliance actions
$69,228
required by EPA orders
EPA inspections
3
latest Jun 2019

Latest case · May 2024

EAGLE BUTTE WWTF

Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $68,028

EPA's description of the case:

“Action requires compliance with NPDES permit requirements and the Clean Water Act.”

Source: EPA ECHO, civil enforcement case 08-2024-0152.

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Every action against Eagle Butte WWTF 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 Eagle Butte WWTF.

No verified contacts on file yet

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Nearby wastewater treatment plants in South Dakota

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Blunt- City Of

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Herreid, City Of

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Murdo, City Of

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Eureka, City Of

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Eagle Butte WWTF: 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 November 5, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms


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