Walkerton Municipal WWTP
Walkerton, IN · St. Joseph County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- 0.4 MGD
- NPDES permit
- IN0040690
- Effective
- Permit expires
- November 2028
- Population served
- 2,096
- CWNS 2022
Walkerton Municipal WWTP is a publicly owned wastewater treatment works in Walkerton, St. Joseph County, Indiana treating an average of 0.22 million gallons per day against a permitted design capacity of 0.4 MGD, serving about 2,096 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit IN0040690 (effective), which expires in November 2028, with 16 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
- 16
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Walkerton Municipal WWTP.
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Nearby wastewater treatment plants in Indiana
Walkerton · 4 mi away
0.06 MGD
North Liberty · 5 mi away
0.09 MGD
Hamlet · 9 mi away
0.03 MGD
Lapaz · 9 mi away
0.06 MGD
Kingsford Heights · 10 mi away
0.07 MGD
La Porte · 13 mi away
3.47 MGD
Lakeville · 13 mi away
0.05 MGD
Knox · 14 mi away
0.31 MGD
Walkerton Municipal WWTP: 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 6, 2025.