Mt Etna WWTP
Mount Etna, IN 46750 · Huntington County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- IN0058963
- Effective
- Permit expires
- January 2027
- Population served
- 111
- CWNS 2022
Mt Etna WWTP is a publicly owned wastewater treatment works in Mount Etna, Huntington County, Indiana treating an average of 0.02 million gallons per day against a permitted design capacity of 0.04 MGD, serving about 111 residents. It discharges under NPDES permit IN0058963 (effective), which expires in January 2027, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Mt Etna WWTP.
Available with a free Klarifi account
See the full treatment train at Mt Etna WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mt Etna WWTP.
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Nearby wastewater treatment plants in Indiana
Warren · 7 mi away
0.37 MGD
Van Buren · 9 mi away
0.11 MGD
Andrews · 10 mi away
0.2 MGD
Huntington · 10 mi away
4.95 MGD
La Fontaine · 10 mi away
0.09 MGD
Markle · 13 mi away
0.14 MGD
Wabash · 15 mi away
1.71 MGD
Bippus · 15 mi away
0.0078 MGD
Mt Etna 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms