Monroe-Desbiens Lake
Monroe County, FloridaHypereutrophic
Monroe-Desbiens Lake is a highly nutrient-loaded hypereutrophic lake in Monroe County, Florida. Water quality is graded F based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Monroe County, Monroe-Desbiens Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-12-06. Grade methodology: LakeGrade methodology.
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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 2.5 ft of visibility. Phosphorus level: 267 µg/L. Trophic State Index: 74.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | F |
| Phosphorus | 267 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 74 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #2 of 2 lakes in Monroe County
Cleaner Lakes Within 30 Miles
Monroe-Desbiens Lake holds Grade F. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Monroe County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Hypereutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-12-06
Monitoring stations: 1
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