Huntington WWTP
Huntington, IN · Huntington County · Publicly Owned Treatment Works
- Average flow
- 1.68 MGD
- Design flow
- 7.5 MGD
- NPDES permit
- IN0023132
- Effective
- Permit expires
- May 2028
- Population served
- 18,823
- CWNS 2022
Huntington WWTP is a publicly owned wastewater treatment works in Huntington, Huntington County, Indiana treating an average of 1.68 million gallons per day against a permitted design capacity of 7.5 MGD, serving about 18,823 residents. Treatment on site includes biogas silos. It discharges under NPDES permit IN0023132 (effective), which expires in May 2028, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Huntington WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Huntington WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Andrews · 5 mi away
0.14 MGD
Huntington · 6 mi away
0.0037 MGD
Bippus · 8 mi away
0.0045 MGD
Markle · 9 mi away
0.09 MGD
Mount Etna · 10 mi away
0.01 MGD
Roanoke · 10 mi away
0.11 MGD
Warren · 14 mi away
0.29 MGD
Uniondale · 15 mi away
0.0093 MGD
Huntington 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 2, 2025.