Martinsville WWTP
Martinsville, IN · Morgan County · Publicly Owned Treatment Works
- Average flow
- 0.95 MGD
- Design flow
- 2.2 MGD
- NPDES permit
- IN0020303
- Effective
- Permit expires
- June 2029
- Population served
- 12,546
- CWNS 2022
Martinsville WWTP is a publicly owned wastewater treatment works in Martinsville, Morgan County, Indiana treating an average of 0.95 million gallons per day against a permitted design capacity of 2.2 MGD, serving about 12,546 residents. Treatment on site includes clarifiers. It discharges under NPDES permit IN0020303 (effective), which expires in June 2029, with 16 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Martinsville WWTP.
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Nearby wastewater treatment plants in Indiana
Paragon · 6 mi away
0.03 MGD
Martinsville · 7 mi away
0.1 MGD
Brooklyn · 9 mi away
0.14 MGD
Morgantown · 10 mi away
0.07 MGD
Gosport · 12 mi away
0.04 MGD
Monrovia · 13 mi away
0.23 MGD
Helmsburg · 13 mi away
0.003 MGD
Ellettsville · 13 mi away
0.86 MGD
Martinsville 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 September 11, 2026; facility record last updated May 18, 2025.