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Stanley Wastewater Treatment Facility

200 State Street, Stanley, WI 54768 · Chippewa County · Publicly Owned Treatment Works

Average flow
0.59 MGD
Design flow
0.6 MGD
NPDES permit
WI0021857
Expired
Permit expires
September 2023
Population served
3,749
CWNS 2022

Stanley Wastewater Treatment Facility is a publicly owned wastewater treatment works in Stanley, Chippewa County, Wisconsin treating an average of 0.59 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 3,749 residents. It discharges under NPDES permit WI0021857 (expired), which expires in September 2023, with 32 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Stanley Wastewater Treatment Facility.

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Compliance snapshot (last 3 years)

Total violations
32
Effluent violations
10

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Stanley Wastewater Treatment Facility.

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Nearby wastewater treatment plants in Wisconsin

Thorp Wastewater Treatment Facility

Thorp · 5 mi away

0.36 MGD

Gilman Village Of

Gilman · 15 mi away

0.04 MGD

0.31 MGD

—

0.06 MGD

0.21 MGD

Chippewa Falls WWTP

Chippewa Falls · 24 mi away

1.81 MGD

Curtiss Waterworks-200

Curtiss · 25 mi away

—

Stanley Wastewater Treatment Facility: 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 20, 2025.

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


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