Sarasota-Cormorant Lake
Sarasota-Cormorant Lake in Sarasota County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.4 ft visibility. Phosphorus: 164.5 µg/L.
- Clarity
- 2.4 ft
- Type
- Hypereutrophic
- Trend
- → Stable
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Sarasota-Cormorant Lake →
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Sarasota-Cormorant Lake is a highly nutrient-loaded hypereutrophic lake in Sarasota County, Florida. Water quality is graded D based on 1 sampling years through 2025. Water clarity is declining over recent sampling years. Compared to the 29 other monitored lakes in Sarasota County, Sarasota-Cormorant Lake ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-11. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyElevated nutrients
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 2.4 ft of visibility. Phosphorus level: 164.5 µg/L. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.4 ft | Not graded |
| Phosphorus | 164.5 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Sarasota-Cormorant Lake
Compare lakeside cabins, hotels, and vacation rentals near Sarasota-Cormorant Lake in Sarasota County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Sarasota-Cormorant Lake are listed below.
Top-rated places to stay near Sarasota-Cormorant Lake
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Fishing Sarasota-Cormorant Lake
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.25 m/yr | 2 |
| Phosphorus | ↑ Improving | -4.47 µg/L/yr | 6 |
EPA Impairment Status
Sarasota-Cormorant Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL1975 · Official waterbody report · Matched by proximity (0.87 km)
County Ranking
Ranked #17 of 30 lakes in Sarasota County
Nearby Lakes in Sarasota County
Frequently asked questions about Sarasota-Cormorant Lake
Where is Sarasota-Cormorant Lake?
- Sarasota-Cormorant Lake is a lake in Sarasota County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Sarasota-Cormorant Lake?
- Sarasota-Cormorant Lake in Sarasota County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.4 ft visibility. Phosphorus: 164.5 µg/L.
Is Sarasota-Cormorant Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Sarasota-Cormorant Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Sarasota-Cormorant Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Hypereutrophic Lakes in Florida
Where this data comes from
108 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX108 samples · 2020–2025
Monitoring station identifiers (3)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database