Otterbein WWTP
502 E 2nd St, Otterbein, IN 47970 · Benton County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.21 MGD
- NPDES permit
- IN0023990
- Effective
- Permit expires
- March 2030
- Population served
- 1,144
- CWNS 2022
Otterbein WWTP is a publicly owned wastewater treatment works in Otterbein, Benton County, Indiana treating an average of 0.13 million gallons per day against a permitted design capacity of 0.21 MGD, serving about 1,144 residents. It discharges under NPDES permit IN0023990 (effective), which expires in March 2030, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Otterbein WWTP.
Available with a free Klarifi account
See the full treatment train at Otterbein WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Otterbein WWTP.
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Brookston · 14 mi away
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Fowler · 15 mi away
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Otterbein 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 August 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms