Cofc Lake
Choctaw County, Alabama8,500 acresView mapDirections
ADEM publishes the water-quality measurements for Cofc Lake. Here is what has been measured.
- Eutrophic
- Public access
Cofc Lake in Choctaw County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 2.4 ft visibility. Phosphorus: 36 µg/L. Chlorophyll-a (algae): 10.7 µg/L. Surface area: 8500 acres.
Cofc Lake is a 8,500-acre productive, nutrient-rich eutrophic lake in Choctaw County, Alabama. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Choctaw County, Cofc Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2025-10-28. Methodology: how these readings are compared.
What Cofc Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
- Big water8,500 acres
Swimming conditions
Readings onlyLow 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.
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 2.4 ft of visibility. Phosphorus 36 µg/L. Chlorophyll-a 10.7 µg/L. TSI 58.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 36µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 10.7µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 58 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Cofc Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
8,500 acres
Public access
Yes
Listed by ADEM
No bathymetric survey has been published for Cofc Lake, so its depth is not documented here.
Recreation & Access
- Service ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Cofc Lake
- Service1.2 kmReserve
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Cofc Lake
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Top-rated places to stay near Cofc Lake
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Fishing Cofc Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2014–2025).
Water clarity
Worsening5 years
Phosphorus
Worsening+1.26 µg/L/yr5 years
Chlorophyll-a
Worsening+0.48 µg/L/yr5 years
Reservoir Info (USACE NID)
Cofc Lake is a man-made reservoir impounded by the Coffeeville Lock and Dam (completed 1962), built primarily for navigation on the Tombigbee River; gravity-type dam, 60 ft tall and 1,439 ft long.
- Surface area
- 8,500 ac
- Normal storage
- 190,800 ac-ft
- Max storage
- 190,800 ac-ft
- Drainage area
- 18,417 sq mi
- Hazard class
- Significant
- Owner
- USACE - Mobile District
All listed purposes: Navigation;Recreation.
Source: USACE National Inventory of Dams, NID ID AL01431 · Operator website · Matched by proximity (0.64 km)
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: 2.4 ft visibility. Phosphorus: 36 µg/L. Chlorophyll-a (algae): 10.7 µg/L. Surface area: 8500 acres.
Is Cofc Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Cofc Lake?
- Cofc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Service Park. Public access is listed as yes.
Can I fish at Cofc Lake?
- Cofc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.
Are there campgrounds on Cofc Lake?
- Cofc Lake has 1 public campground from USGS The National Map within 5 km, including Service. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Cofc Lake across LakeQuality
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Where this data comes from
135 measurements from 1 monitoring station, 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
21AWIC135 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 (1)
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles