Evansville Westside WWTP
Evansville, IN · Vanderburgh County · Publicly Owned Treatment Works
- Average flow
- 10.6 MGD
- Design flow
- 21.7 MGD
- NPDES permit
- IN0032956
- Effective
- Permit expires
- January 2027
- Population served
- 56,737
- CWNS 2022
Evansville Westside WWTP is a publicly owned wastewater treatment works in Evansville, Vanderburgh County, Indiana treating an average of 10.6 million gallons per day against a permitted design capacity of 21.7 MGD, serving about 56,737 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit IN0032956 (effective), which expires in January 2027, with 10 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
- 10
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
37 verified contacts for Evansville Westside WWTP, with validated emails and direct phone numbers.
Unlock 37 verified contacts (34 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Evansville Westside WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Evansville · 3 mi away
9.8 MGD
Mount Vernon · 12 mi away
0.003 MGD
Elberfeld · 15 mi away
0.08 MGD
Mount Vernon · 16 mi away
1.03 MGD
Haubstadt · 17 mi away
0.23 MGD
Poseyville · 17 mi away
0.14 MGD
Boonville · 19 mi away
2.7 MGD
Fort Branch · 19 mi away
0.32 MGD
Evansville Westside 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 March 29, 2025.