Thorntown Utilities-Treatment Plant
109 W Main St, Thorntown, IN 46071 · Boone County · Publicly Owned Treatment Works
- Average flow
- 0.12 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- IN0024589
- Effective
- Permit expires
- July 2029
- Population served
- 1,432
- CWNS 2022
Thorntown Utilities-Treatment Plant is a publicly owned wastewater treatment works in Thorntown, Boone County, Indiana treating an average of 0.12 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 1,432 residents. It discharges under NPDES permit IN0024589 (effective), which expires in July 2029, with 51 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Thorntown Utilities-Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Thorntown Utilities-Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 51
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Thorntown Utilities-Treatment Plant, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Thorntown Utilities-Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Colfax · 4 mi away
0.16 MGD
Darlington · 8 mi away
0.06 MGD
Lebanon · 9 mi away
2.86 MGD
Clarks Hill · 10 mi away
0.1 MGD
Advance · 11 mi away
0.04 MGD
Frankfort · 12 mi away
3.53 MGD
Stockwell · 13 mi away
0.03 MGD
New Ross · 13 mi away
0.02 MGD
Thorntown Utilities-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 July 29, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms