Ligonier WWTP
Ligonier, IN · Noble County · Publicly Owned Treatment Works
- Average flow
- 0.5 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- IN0023582
- Effective
- Permit expires
- February 2031
- Population served
- 4,568
- CWNS 2022
Ligonier WWTP is a publicly owned wastewater treatment works in Ligonier, Noble County, Indiana treating an average of 0.5 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 4,568 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos. It discharges under NPDES permit IN0023582 (effective), which expires in February 2031, with 12 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
- 12
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Ligonier WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Ligonier WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Cromwell · 4 mi away
0.07 MGD
Cromwell · 4 mi away
0.24 MGD
Topeka · 6 mi away
0.15 MGD
Millersburg · 6 mi away
0.06 MGD
Wawaka · 9 mi away
0.07 MGD
Syracuse · 9 mi away
0.37 MGD
Lagrange · 9 mi away
0.05 MGD
Albion · 10 mi away
0.16 MGD
Ligonier 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 May 18, 2025.