Brightwater Lake of St. Kilda
Lee County, FloridaLimited DataEutrophic
Brightwater Lake of St. Kilda is a productive, nutrient-rich eutrophic lake in Lee County, Florida. Water quality is graded D based on 1 sampling years through 2025. Compared to the 81 other monitored lakes in Lee County, Brightwater Lake of St. Kilda ranks #29 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-04-16. 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
No clarity data. Phosphorus level: 80 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 80 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #29 of 82 lakes in Lee County
Nearby Lakes in Lee 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: 2025-04-16
Monitoring stations: 1
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