Clam Lake
Wilcox County, AlabamaView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from C at the last regrade
- Mesotrophic
- #1 of 3 in the county
- Public access
Clam Lake in Wilcox County, Alabama has a water quality grade of A (Excellent). Water clarity: 3 ft visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 6.1 µg/L.
- Clarity
- 3 ft
- Type
- Mesotrophic
- Phosphorus
- 26 µg/L
- Chlorophyll-a
- 6.1 µg/L
- Public access
- Yes
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Watch Clam Lake’s letter
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Clam Lake is a mesotrophic lake in Wilcox County, Alabama. Water quality is graded A based on 1 sampling years through 2023. Limited fish-species data available. Public access is available. Compared to the 2 other monitored lakes in Wilcox County, Clam Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2023-10-17. 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 A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Very murky, less than 3 ft of visibility. Phosphorus 26 µg/L. Chlorophyll-a 6.1 µg/L. TSI 54. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | Not graded |
| Phosphorus | 26 µg/L | Not graded |
| Chlorophyll-a (Algae) | 6.1 µg/L | Good |
| Trophic State Index (TSI) | 54 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Clam Lake
County Ranking
Ranked #1 of 3 lakes in Wilcox County
Nearby Lakes in Wilcox County
Frequently asked questions about Clam Lake
Where is Clam Lake?
- Clam Lake is a lake in Wilcox County, Alabama. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Clam Lake?
- Clam Lake in Wilcox County, Alabama has a water quality grade of A (Excellent). Water clarity: 3 ft visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 6.1 µg/L.
Is Clam Lake safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Clam Lake across LakeQuality
More Alabama Lake Rankings
Other Grade A Lakes in Alabama
Where this data comes from
178 measurements from 3 monitoring stations, 2013–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC178 samples · 2013–2023
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 2120 B ~ Color in Water by Visual Comparison
Monitoring station identifiers (3)
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.