Lake Francis
Madison County, FloridaEutrophic
Lake Francis is a productive, nutrient-rich eutrophic lake in Madison County, Florida. Water quality is graded D based on 2 sampling years through 2020. Compared to the 30 other monitored lakes in Madison County, Lake Francis ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2020-06-22. 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 2.6 ft of visibility. Phosphorus level: 86 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | F |
| Phosphorus | 86 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #23 of 31 lakes in Madison County
Cleaner Lakes Within 30 Miles
Lake Francis holds Grade D. 2 nearby lakes hold higher grades.
- DRigginslakeeastMadison County · 5.8 mi · Higher overall water quality score
- DRigginslakecenterMadison County · 5.9 mi · Higher overall water quality score
Nearby Lakes in Madison County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-06-22
Monitoring stations: 1
Where to stay near Lake Francis
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