Derma POTW
Calhoun City, MS · Calhoun County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.21 MGD
- NPDES permit
- MS0034975
- Effective
- Permit expires
- August 2029
- Population served
- —
- CWNS 2022
Derma POTW is a publicly owned wastewater treatment works in Calhoun City, Calhoun County, Mississippi. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit MS0034975 (effective), which expires in August 2029, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Derma POTW.
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Nearby wastewater treatment plants in Mississippi
Calhoun City · 2 mi away
—
Bruce · 10 mi away
—
Woodland · 15 mi away
—
Houston · 17 mi away
0.28 MGD
Water Valley · 29 mi away
0.25 MGD
Okolona · 33 mi away
—
Pontotoc · 34 mi away
0.5 MGD
Pontotoc · 35 mi away
0.02 MGD
Derma POTW: 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 August 11, 2026.