Nappanee Wwtp, City Of
Nappanee, IN · Elkhart County · Publicly Owned Treatment Works
- Average flow
- 3 MGD
- Design flow
- 1.9 MGD
- NPDES permit
- IN0021466
- Effective
- Permit expires
- February 2030
- Population served
- 6,949
- CWNS 2022
Nappanee Wwtp, City Of is a publicly owned wastewater treatment works in Nappanee, Elkhart County, Indiana treating an average of 3 million gallons per day against a permitted design capacity of 1.9 MGD, serving about 6,949 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit IN0021466 (effective), which expires in February 2030, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Nappanee Wwtp, City Of, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Nappanee Wwtp, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Wakarusa · 6 mi away
0.32 MGD
Milford · 7 mi away
0.1 MGD
New Paris · 10 mi away
0.12 MGD
Bremen · 12 mi away
0.06 MGD
Syracuse · 12 mi away
0.37 MGD
Etna Green · 12 mi away
0.03 MGD
Goshen · 12 mi away
3.1 MGD
Bourbon · 13 mi away
0.12 MGD
Nappanee Wwtp, City Of: 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 March 9, 2025.