Cofc Lake is a productive, nutrient-rich eutrophic lake in Choctaw County, Alabama. Water quality is graded C based on 2 sampling years through 2025. Compared to the 1 other monitored lakes in Choctaw County, Cofc Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2025-10-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 1.9 ft of visibility. Phosphorus level: 40 µg/L. Chlorophyll-a: 10.7 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.9 ft | F |
| Phosphorus | 40 µg/L | C |
| Chlorophyll-a (Algae) | 10.7 µg/L | C |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Cofc Lake
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Location
County Ranking
Ranked #2 of 2 lakes in Choctaw County
Nearby Lakes in Choctaw County
Explore Cofc Lake across LakeGrade
More Alabama Lake Rankings
Other Grade C Lakes in Alabama
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-10-29
Monitoring stations: 2