Sarasota-Lake-G
Sarasota County, FloridaEutrophic
Sarasota-Lake-G is a productive, nutrient-rich eutrophic lake in Sarasota County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 37 other monitored lakes in Sarasota County, Sarasota-Lake-G ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-03-07. 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
Murky, only visible to about 3.8 ft. Phosphorus level: 77.5 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.8 ft | D |
| Phosphorus | 77.5 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #10 of 38 lakes in Sarasota County
Nearby Lakes in Sarasota County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Sarasota-Lake-G under Clean Water Act (NPDES) discharge permits, including 2 classified by the EPA as major dischargers. 2 facilities have a reported Clean Water Act violation in the past three years.
- City Of Sarasota AwwtfSarasota · 3.1 mi away · NPDES FL0040771MajorRecent violation
- Sarasota, City OfSarasota · 3.7 mi away · NPDES FLS266141MajorRecent 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: 2025-03-07
Monitoring stations: 3
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