Poseyville Municipal WWTP
20 S Cale St, Poseyville, IN 47633 · Posey County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- IN0040517
- Effective
- Permit expires
- May 2031
- Population served
- 966
- CWNS 2022
Poseyville Municipal WWTP is a publicly owned wastewater treatment works in Poseyville, Posey County, Indiana treating an average of 0.19 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 966 residents. It discharges under NPDES permit IN0040517 (effective), which expires in May 2031, with 15 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Poseyville Municipal WWTP.
Available with a free Klarifi account
See the full treatment train at Poseyville Municipal WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Poseyville Municipal WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Poseyville Municipal WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Owensville · 7 mi away
0.13 MGD
New Harmony · 10 mi away
0.06 MGD
Fort Branch · 11 mi away
0.56 MGD
Haubstadt · 11 mi away
0.36 MGD
Princeton · 15 mi away
2.07 MGD
Elberfeld · 17 mi away
0.15 MGD
Evansville · 17 mi away
11.68 MGD
Mount Vernon · 17 mi away
0.0061 MGD
Poseyville 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 October 26, 2026; facility record last updated November 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms