Middletown WWTP
215 S 8th St, Middletown, IN 47356 · Henry County · Publicly Owned Treatment Works
- Average flow
- 0.37 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- IN0020770
- Effective
- Permit expires
- June 2028
- Population served
- 2,253
- CWNS 2022
Middletown WWTP is a publicly owned wastewater treatment works in Middletown, Henry County, Indiana treating an average of 0.37 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 2,253 residents. It discharges under NPDES permit IN0020770 (effective), which expires in June 2028, with 78 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Middletown WWTP.
Available with a free Klarifi account
See the full treatment train at Middletown WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 78
- Effluent violations
- 78
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Middletown WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Middletown WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Chesterfield · 6 mi away
0.39 MGD
Mount Summit · 6 mi away
0.08 MGD
Yorktown · 9 mi away
0.98 MGD
Anderson · 10 mi away
10.46 MGD
Muncie · 11 mi away
17.5 MGD
Kennard · 11 mi away
0.05 MGD
New Castle · 12 mi away
4.53 MGD
Shirley · 12 mi away
0.2 MGD
Middletown 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 May 18, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms