Charlotte-Sturgeon Lake
Charlotte County, FloridaEutrophic
Charlotte-Sturgeon Lake is a productive, nutrient-rich eutrophic lake in Charlotte County, Florida. Water quality is graded D based on 2 sampling years through 2024. Compared to the 14 other monitored lakes in Charlotte County, Charlotte-Sturgeon Lake ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-09-01. 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 2.5 ft of visibility. Phosphorus level: 68 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | F |
| Phosphorus | 68 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #10 of 15 lakes in Charlotte County
Cleaner Lakes Within 30 Miles
Charlotte-Sturgeon Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Charlotte 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: 2024-09-01
Monitoring stations: 2
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