Dillman Waste Water Treatment Plant
Bloomington, IN · Monroe County · Publicly Owned Treatment Works
- Average flow
- 8.64 MGD
- Design flow
- 15 MGD
- NPDES permit
- IN0035718
- Effective
- Permit expires
- August 2029
- Population served
- 56,248
- CWNS 2022
Dillman Waste Water Treatment Plant is a publicly owned wastewater treatment works in Bloomington, Monroe County, Indiana treating an average of 8.64 million gallons per day against a permitted design capacity of 15 MGD, serving about 56,248 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IN0035718 (effective), which expires in August 2029, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
9 verified contacts for Dillman Waste Water Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Dillman Waste Water Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Bloomington · 5 mi away
0.09 MGD
Ellettsville · 12 mi away
0.86 MGD
Spencer · 18 mi away
—
Nashville · 18 mi away
0.3 MGD
Bedford · 18 mi away
1.42 MGD
Helmsburg · 18 mi away
0.003 MGD
Gosport · 18 mi away
0.04 MGD
Paragon · 20 mi away
0.03 MGD
Dillman Waste Water 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 September 11, 2026; facility record last updated May 18, 2025.