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Elmwood Wastewater Treatment Facility

PO Box 62, Elmwood, NE 68349 · Cass County · Publicly Owned Treatment Works

Average flow
0.04 MGD
Design flow
0.05 MGD
NPDES permit
NE0112127
Effective
Permit expires
June 2027
Population served
701
CWNS 2022

Elmwood Wastewater Treatment Facility is a publicly owned wastewater treatment works in Elmwood, Cass County, Nebraska treating an average of 0.04 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 701 residents. It discharges under NPDES permit NE0112127 (effective), which expires in June 2027, with 40 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Elmwood Wastewater Treatment Facility.

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Compliance snapshot (last 3 years)

Total violations
40
Effluent violations
3

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

Key contacts

Decision-makers at Elmwood Wastewater Treatment Facility.

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Nearby wastewater treatment plants in Nebraska

Eagle Wastewater Treatment Facility

Eagle · 8 mi away

0.22 MGD

Weeping Water Wastewater Treat

Weeping Water · 8 mi away

0.21 MGD

Avoca Burn Site

Avoca · 10 mi away

0.01 MGD

Greenwood Interchange Sid WWTF

Greenwood · 11 mi away

0.0043 MGD

Unadilla Burn Site

Unadilla · 11 mi away

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Greenwood Burn Site

Greenwood · 12 mi away

—

0.02 MGD

Elmwood 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 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms


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