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Moscow Mills WWTF

State Highway Mm, Moscow Mills, MO 63362 · Lincoln County · Publicly Owned Treatment Works

Average flow
0.31 MGD
Design flow
—
NPDES permit
MO0129852
Administratively continued
Permit expires
December 2023
Population served
12,000
CWNS 2022

Moscow Mills WWTF is a publicly owned wastewater treatment works in Moscow Mills, Lincoln County, Missouri treating an average of 0.31 million gallons per day, serving about 12,000 residents. It discharges under NPDES permit MO0129852 (administratively continued), which expires in December 2023, with 81 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2020.

Treatment technology

3 treatment structures and unit processes identified at Moscow Mills WWTF.

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Compliance snapshot (last 3 years)

Total violations
81
Effluent violations
39

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 Moscow Mills WWTF in EPA's ICIS system.

Formal actions
1
0 since FY2020
Compliance actions
$2M
required by EPA orders
EPA inspections
0
none on record

Latest case · Apr 2020

MOSCOW MILLS, MISSOURI

Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $2M

Source: EPA ECHO, civil enforcement case 07-2013-0036.

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Every action against Moscow Mills 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 Moscow Mills WWTF.

No verified contacts on file yet

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Nearby wastewater treatment plants in Missouri

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Fountain-N-Lake WWTF

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0.0037 MGD

Lcpwsd No.1 To Bobs Creek WWTF

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Wentzville Pws

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Lcpwsd No. 1 Green Acres WWTF

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Foristell Interim WWTP

Foristell · 8 mi away

0.01 MGD

Sccpwsd 2 Hickory Trails WWTP

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Dcsd, Riverdale Subdivision WWTF

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Moscow Mills 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 August 14, 2024.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms


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