Alligator Lake
Columbia County, FloridaEutrophic
Alligator Lake is a productive, nutrient-rich eutrophic lake in Columbia County, Florida. Water quality is graded D based on 2 sampling years through 2023. Compared to the 18 other monitored lakes in Columbia County, Alligator Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-08-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3 ft of visibility. Phosphorus level: 58 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | 58 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #7 of 19 lakes in Columbia County
Nearby Lakes in Columbia County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-02
Monitoring stations: 1
Where to stay near Alligator Lake
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