Carbon Municipal STP
Cr 15 E And Ebenezer Rd D, Carbon, IN 47837 · Clay County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.03 MGD
- NPDES permit
- IN0039829
- Effective
- Permit expires
- December 2028
- Population served
- 263
- CWNS 2022
Carbon Municipal STP is a publicly owned wastewater treatment works in Carbon, Clay County, Indiana treating an average of 0.03 million gallons per day against a permitted design capacity of 0.03 MGD, serving about 263 residents. It discharges under NPDES permit IN0039829 (effective), which expires in December 2028, with 5 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Carbon Municipal STP.
Available with a free Klarifi account
See the full treatment train at Carbon Municipal STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Carbon Municipal STP.
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Brazil · 8 mi away
1.6 MGD
Rockville · 9 mi away
0.0067 MGD
Rosedale · 9 mi away
—
Staunton · 10 mi away
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Greencastle · 12 mi away
0.04 MGD
Rockville · 13 mi away
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Centerpoint · 13 mi away
0.01 MGD
Clinton · 16 mi away
0.42 MGD
Carbon Municipal STP: 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 August 4, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms