Coldwater POTW - Southwest
Coldwater, MS · Tate County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.18 MGD
- NPDES permit
- MS0024678
- Effective
- Permit expires
- November 2029
- Population served
- 1,792
- CWNS 2022
Coldwater POTW - Southwest is a publicly owned wastewater treatment works in Coldwater, Tate County, Mississippi, serving about 1,792 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit MS0024678 (effective), which expires in November 2029, with 57 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
- 57
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Coldwater POTW - Southwest.
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Nearby wastewater treatment plants in Mississippi
Coldwater · 1 mi away
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Hernando · 10 mi away
6.5 MGD
Como · 11 mi away
0.12 MGD
0.71 MGD
Sardis · 21 mi away
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Sledge · 22 mi away
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Byhalia · 22 mi away
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Robinsonville · 22 mi away
0.69 MGD
Coldwater POTW - Southwest: 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 April 5, 2025.