Lake Sarasota
Sarasota County, FloridaHypereutrophic
Lake Sarasota is a highly nutrient-loaded hypereutrophic lake in Sarasota County, Florida. Water quality is graded F based on 2 sampling years through 2023. Compared to the 37 other monitored lakes in Sarasota County, Lake Sarasota ranks #37 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-04-25. Grade methodology: LakeGrade methodology.
Watch Lake Sarasota water quality
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.7 ft of visibility. Phosphorus level: 430 µg/L. Trophic State Index: 87.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.7 ft | F |
| Phosphorus | 430 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 87 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #37 of 38 lakes in Sarasota County
Cleaner Lakes Within 30 Miles
Lake Sarasota holds Grade F. 4 nearby lakes hold higher grades.
- CSarasota-Sundrop LakeSarasota County · 2.5 mi · Two grade letters higher (F → C)
- DSarasota-Moondrop LakeSarasota County · 2.6 mi · Higher grade (F → D)
- DSarasota-Egret LakeSarasota County · 4.3 mi · Higher grade (F → D)
- DSarasota-Heron LakeSarasota County · 4.3 mi · Higher grade (F → D)
Nearby Lakes in Sarasota County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Hypereutrophic Lakes in Florida
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Lake Sarasota under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Camelot Lakes Venture I, LlcSarasota · 1.7 mi away · NPDES FL0188999Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-04-25
Monitoring stations: 1
Where to stay near Lake Sarasota
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