Elmwood Wastewater Treatment Facility
Elmwood, NE · Cass County · Publicly Owned Treatment Works
- Average flow
- 0.03 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 0.03 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 701 residents. Treatment on site includes clarifiers. It discharges under NPDES permit NE0112127 (effective), which expires in June 2027, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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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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Eagle · 8 mi away
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Weeping Water · 8 mi away
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Avoca · 10 mi away
0.009 MGD
Greenwood · 11 mi away
0.001 MGD
Unadilla · 11 mi away
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Greenwood · 12 mi away
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Otoe · 12 mi away
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Otoe · 13 mi away
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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 September 11, 2026; facility record last updated November 28, 2025.