Cofc Lake
Choctaw County, AlabamaView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
↑ up from C at the last regrade
- Eutrophic
- #2 of 2 in the county
- Public access
Cofc Lake in Choctaw County, Alabama has a water quality grade of B (Good). Water clarity: 1.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 10.7 µg/L.
- Clarity
- 1.9 ft
- Type
- Eutrophic
- Phosphorus
- 40 µg/L
- Chlorophyll-a
- 10.7 µg/L
- Public access
- Yes
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Watch Cofc Lake’s letter
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Cofc Lake is a productive, nutrient-rich eutrophic lake in Choctaw County, Alabama. Water quality is graded B based on 1 sampling years through 2025. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in Choctaw County, Cofc Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2025-10-29. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Very murky, less than 1.9 ft of visibility. Phosphorus 40 µg/L. Chlorophyll-a 10.7 µg/L. TSI 60. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.9 ft | Not graded |
| Phosphorus | 40 µg/L | Not graded |
| Chlorophyll-a (Algae) | 10.7 µg/L | Good |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Cofc Lake
County Ranking
Ranked #2 of 2 lakes in Choctaw County
Nearby Lakes in Choctaw County
Frequently asked questions about Cofc Lake
Where is Cofc Lake?
- Cofc Lake is a lake in Choctaw County, Alabama. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Cofc Lake?
- Cofc Lake in Choctaw County, Alabama has a water quality grade of B (Good). Water clarity: 1.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 10.7 µg/L.
Is Cofc Lake safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Cofc Lake across LakeQuality
More Alabama Lake Rankings
Other Grade B Lakes in Alabama
Where this data comes from
150 measurements from 2 monitoring stations, 2014–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC150 samples · 2014–2025
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 2120 B ~ Color in Water by Visual Comparison
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.