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LakeQuality

Cofc Lake

Choctaw County, AlabamaView mapDirections

ADEM publishes the water-quality measurements for Cofc Lake. Here is what has been measured.

Clarity
1.9 ft
Murkier than most
Secchi · sampled 2025
Phosphorus
40 µg/L
More phosphorus than most
Measured by ADEM
Chlorophyll-a
10.7 µg/L
Typical for Alabama
Measured by ADEM
Type
Eutrophic
Trophic class
  • Eutrophic
  • Public access

Cofc Lake in Choctaw County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 1.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 10.7 µg/L.

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Cofc Lake is a productive, nutrient-rich eutrophic lake in Choctaw County, Alabama. 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. Methodology: how these readings are compared.

Swimming conditions

Readings only

Low algae

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Cofc Lake is safe to swim in today is a call for the Alabama Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Cofc Lake

These are the measurements ADEM publishes for Cofc Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 1.9 ft of visibility. Phosphorus 40 µg/L. Chlorophyll-a 10.7 µg/L. TSI 60.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.9ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus40µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)10.7µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.60Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Cofc Lake

Answers come straight from the public measurements and survey records on this page.

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Stays near Cofc Lake

Compare lakeside cabins, hotels, and vacation rentals near Cofc Lake in Choctaw County, Alabama — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Cofc Lake

Nearby Lakes in Choctaw County

Frequently asked questions about Cofc Lake

Where is Cofc Lake?

Cofc Lake is a lake in Choctaw County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.

What is the water quality of Cofc Lake?

Cofc Lake in Choctaw County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 1.9 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 10.7 µg/L.

Measurements on this page ↑

Is Cofc Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Can I fish at Cofc Lake?

Public access to Cofc Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Alabama's fish and wildlife agency, so check its current regulations before you go.

Eutrophic 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 DATA21AWIC150 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)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.