Sarasota-Pinebrook South Lake
Sarasota County, FloridaEutrophic
Sarasota-Pinebrook South Lake 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-Pinebrook South Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-03-12. 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 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 62 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #23 of 38 lakes in Sarasota County
Cleaner Lakes Within 30 Miles
Sarasota-Pinebrook South Lake holds Grade D. 4 nearby lakes hold higher grades.
- CSarasota-Center LakeSarasota County · 2.1 mi · Higher grade (D → C)
- CSarasota-North LakeSarasota County · 2.1 mi · Higher grade (D → C)
- CSarasota-South LakeSarasota County · 2.2 mi · Higher grade (D → C)
- CSarasota-Awesome LakeSarasota County · 2.8 mi · Higher grade (D → C)
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-Pinebrook South Lake 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.
- Venice, City Of - R/O PlantVenice · 1.1 mi away · NPDES FL0035335MajorRecent violation
- Venice, City OfVenice · 1.4 mi away · NPDES FLS266132MajorRecent 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: 2025-03-12
Monitoring stations: 3
Where to stay near Sarasota-Pinebrook South Lake
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