Florencelk Lake
Brevard County, FloridaHypereutrophic
Florencelk Lake is a highly nutrient-loaded hypereutrophic lake in Brevard County, Florida. Water quality is graded F based on 2 sampling years through 2024. Compared to the 27 other monitored lakes in Brevard County, Florencelk Lake ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-11-21. 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 1.3 ft of visibility. Phosphorus level: 150 µg/L. Trophic State Index: 75.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.3 ft | F |
| Phosphorus | 150 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 75 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #22 of 28 lakes in Brevard County
Cleaner Lakes Within 30 Miles
Florencelk Lake holds Grade F. 4 nearby lakes hold higher grades.
- BBrevard-Clear LakeBrevard County · 4.3 mi · Two grade letters higher (F → B)
- DFay Lake @ Ne CornerBrevard County · 9.8 mi · Higher grade (F → D)
- DBrevard-Park LakeBrevard County · 3.6 mi · Higher grade (F → D)
- DLwindr LakeBrevard County · 6.5 mi · Higher grade (F → D)
Nearby Lakes in Brevard County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Polk County · Clarity: 1.3 ft
Polk County · Clarity: 1 ft
Alachua County · Clarity: 2.4 ft
Hillsborough County · Clarity: 1.3 ft
Volusia County · Clarity: 2 ft
Highlands County · Clarity: 1 ft
Hypereutrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Florencelk Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Rockledge, City OfRockledge · 3.5 mi away · NPDES FL0021571Recent 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)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-11-21
Monitoring stations: 1
Where to stay near Florencelk Lake
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