New Harmony Wastewater Treatment Plant
613 Arthur St, New Harmony, IN 47631 · Posey County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- IN0020699
- Effective
- Permit expires
- April 2029
- Population served
- 690
- CWNS 2022
New Harmony Wastewater Treatment Plant is a publicly owned wastewater treatment works in New Harmony, Posey County, Indiana treating an average of 0.06 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 690 residents. It discharges under NPDES permit IN0020699 (effective), which expires in April 2029, with 4 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at New Harmony Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at New Harmony Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at New Harmony Wastewater Treatment Plant.
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Nearby wastewater treatment plants in Indiana
Poseyville · 10 mi away
0.19 MGD
Mount Vernon · 14 mi away
0.0061 MGD
Owensville · 16 mi away
0.13 MGD
Evansville · 21 mi away
11.68 MGD
Haubstadt · 21 mi away
0.36 MGD
Fort Branch · 21 mi away
0.56 MGD
Princeton · 24 mi away
2.07 MGD
Elberfeld · 26 mi away
0.15 MGD
New Harmony Wastewater Treatment Plant: 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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms