112 S Chauncey St, Columbia City, IN 46725 · Whitley County · Publicly Owned Treatment Works
Columbia City Water Department is a publicly owned wastewater treatment plant in Columbia City, Whitley County, Indiana treating an average of 2.48 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 9,892 residents. It discharges under NPDES permit IN0022624 (effective), which expires in December 2027, with 47 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in December 1997.
2 treatment structures and unit processes identified at Columbia City Water Department.
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See the full treatment train at Columbia City Water Department: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Columbia City Water Department in EPA's ICIS system.
Latest case · Dec 1997
COLUMBIA, CITY OF
Administrative order · CWA, Sewage Sludge Disposal · Final Order With Penalty · Penalty $1,000
Source: EPA ECHO, civil enforcement case 05-1997-0393.
Full case history with a free Klarifi account
Every action against Columbia City Water Department with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
5 verified contacts for Columbia City Water Department, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Columbia City Water Department, plus the full compliance history and discharge data.
Columbia City · 7 mi away
0.35 MGD
South Whitley · 9 mi away
0.16 MGD
Churubusco · 11 mi away
0.23 MGD
Pierceton · 12 mi away
0.22 MGD
Huntington · 13 mi away
0.0063 MGD
Roanoke · 14 mi away
0.17 MGD
Bippus · 15 mi away
0.0078 MGD
Warsaw · 15 mi away
0.13 MGD
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 October 9, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms