Yales Lake
Lake County, FloridaLimited DataEutrophic
Yales Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded D based on 1 sampling years through 2025. Compared to the 316 other monitored lakes in Lake County, Yales Lake ranks #284 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-07-14. 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
No clarity data. Phosphorus level: 84.4 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 84.4 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #284 of 317 lakes in Lake County
Cleaner Lakes Within 30 Miles
Yales Lake holds Grade D. 2 nearby lakes hold higher grades.
Nearby Lakes in Lake County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic 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: 2025-07-14
Monitoring stations: 1
Where to stay near Yales Lake
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