Cofc Lake
Sumter County, AlabamaView mapDirections
Not enough samples to grade — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. No letter yet. Here is what we do have.
- Public access
- Limited data
Cofc Lake in Sumter County, Alabama is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.9 ft visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
- Clarity
- 2.9 ft
- Phosphorus
- 26 µg/L
- Chlorophyll-a
- 9.6 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Watch Cofc Lake’s letter
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Why Cofc Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Cofc Lake, the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by ADEM and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Cofc Lake is a lake in Sumter 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.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2014-10-23. Grade methodology: LakeQuality methodology.
What Cofc Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Cofc Lake
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 2.9 ft of visibility. Phosphorus 26 µg/L. Chlorophyll-a 9.6 µg/L. TSI 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 ft | Not graded |
| Phosphorus | 26 µg/L | Not graded |
| Chlorophyll-a (Algae) | 9.6 µg/L | Not graded |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Spillway FallsPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Cofc Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.021 m/yr | 5 |
| Phosphorus | ↓ Declining | +0.8 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +0.45 µg/L/yr | 5 |
Graded lakes near Cofc Lake
Cofc Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Sumter County
Frequently asked questions about Cofc Lake
Where is Cofc Lake?
- Cofc Lake is a lake in Sumter County, Alabama. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Cofc Lake?
- Cofc Lake in Sumter County, Alabama is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.9 ft visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
Is Cofc Lake safe to swim in?
- The letter is 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 Spillway Falls. Public access is listed as yes.
Explore Cofc Lake across LakeQuality
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Where this data comes from
21 measurements from 1 monitoring station, 2014. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC21 samples · 2014
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory