Dillsboro WWTP
Sr 62 & Spangler Rd, Dillsboro, IN 47018 · Dearborn County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- IN0022781
- Effective
- Permit expires
- March 2031
- Population served
- 1,360
- CWNS 2022
Dillsboro WWTP is a publicly owned wastewater treatment works in Dillsboro, Dearborn County, Indiana treating an average of 0.15 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 1,360 residents. It discharges under NPDES permit IN0022781 (effective), which expires in March 2031, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Dillsboro WWTP.
Available with a free Klarifi account
See the full treatment train at Dillsboro 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 Dillsboro WWTP.
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Nearby wastewater treatment plants in Indiana
Dillsboro · 2 mi away
0.01 MGD
Friendship · 5 mi away
0.02 MGD
Moores Hill · 6 mi away
0.06 MGD
Milan · 7 mi away
0.31 MGD
Bennington · 10 mi away
0.03 MGD
Versailles · 11 mi away
0.41 MGD
Lawrenceburg · 12 mi away
3.67 MGD
Rising Sun · 13 mi away
0.16 MGD
Dillsboro 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 · Lift station · Sludge dewatering · all terms