Columbia City Water Department
Columbia City, IN · Whitley County · Publicly Owned Treatment Works
- Average flow
- 1.34 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- IN0022624
- Effective
- Permit expires
- December 2027
- Population served
- 9,892
- CWNS 2022
Columbia City Water Department is a publicly owned wastewater treatment plant in Columbia City, Whitley County, Indiana treating an average of 1.34 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 9,892 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas balloons. It discharges under NPDES permit IN0022624 (effective), which expires in December 2027, with 46 recorded violations 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
- 46
- Effluent violations
- 36
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
5 verified contacts for Columbia City Water Department, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Columbia City Water Department, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Columbia City · 7 mi away
0.13 MGD
South Whitley · 9 mi away
0.13 MGD
Churubusco · 11 mi away
0.34 MGD
Pierceton · 12 mi away
0.13 MGD
Huntington · 13 mi away
0.0037 MGD
Roanoke · 14 mi away
0.11 MGD
Bippus · 15 mi away
0.0045 MGD
Warsaw · 15 mi away
0.14 MGD
Columbia City Water Department: 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 May 18, 2025.