Highlands-Sirena Lake
Highlands County, FloridaOligotrophic
Highlands-Sirena Lake is a cold, clear oligotrophic lake in Highlands County, Florida. Water quality is graded A based on 2 sampling years through 2024. Compared to the 149 other monitored lakes in Highlands County, Highlands-Sirena Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-12-21. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 16 ft down. Phosphorus level: 8 µg/L. Trophic State Index: 36.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 16 ft | A |
| Phosphorus | 8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 36 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Location
County Ranking
Ranked #1 of 150 lakes in Highlands County
Nearby Lakes in Highlands County
More Florida Lake Rankings
Other Grade A Lakes in Florida
Walton County · Clarity: 9 ft
Seminole County · Clarity: 11 ft
Seminole County · Clarity: 13 ft
Orange County · Clarity: 11.5 ft
Volusia County · Clarity: 14 ft
Bay County · Clarity: 14 ft
Oligotrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-12-21
Monitoring stations: 3
Where to stay near Highlands-Sirena Lake
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