Trafalgar WWTP
Trafalgar, IN · Johnson County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.4 MGD
- NPDES permit
- IN0040681
- Effective
- Permit expires
- July 2029
- Population served
- 1,422
- CWNS 2022
Trafalgar WWTP is a publicly owned wastewater treatment works in Trafalgar, Johnson County, Indiana treating an average of 0.15 million gallons per day against a permitted design capacity of 0.4 MGD, serving about 1,422 residents. Treatment on site includes uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit IN0040681 (effective), which expires in July 2029, with 17 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
- 17
- 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 Trafalgar WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Trafalgar WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Franklin · 7 mi away
3.07 MGD
Bargersville · 7 mi away
0.92 MGD
Morgantown · 8 mi away
0.07 MGD
Whiteland · 9 mi away
0.51 MGD
New Whiteland · 9 mi away
0.26 MGD
Edinburgh · 10 mi away
0.47 MGD
Edinburgh · 10 mi away
0.43 MGD
Waverly · 12 mi away
0.0058 MGD
Trafalgar 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 26, 2025.