Hillsborough-Charles Lake
Hillsborough County, FloridaEutrophic
Hillsborough-Charles Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded C based on 2 sampling years through 2023. Compared to the 221 other monitored lakes in Hillsborough County, Hillsborough-Charles Lake ranks #96 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-07-15. Grade methodology: LakeGrade methodology.
Watch Hillsborough-Charles Lake water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 4 ft. Phosphorus level: 18.5 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 ft | D |
| Phosphorus | 18.5 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #96 of 222 lakes in Hillsborough County
Cleaner Lakes Within 30 Miles
Hillsborough-Charles Lake holds Grade C. 3 nearby lakes hold higher grades.
- BHillsborough-Saddleback South LakeHillsborough County · 0.8 mi · Higher grade (C → B)
- BHillsborough-Brant LakeHillsborough County · 0.9 mi · Higher grade (C → B)
- BHillsborough-Zambito LakeHillsborough County · 1 mi · Higher grade (C → B)
Nearby Lakes in Hillsborough County
More Florida Lake Rankings
Other Grade C Lakes in Florida
Orange County · Clarity: 3.5 ft
Walton County · Clarity: 4.2 ft
Seminole County · Clarity: 4.5 ft
Seminole County · Clarity: 2.9 ft
Polk County · Clarity: 3.5 ft
Volusia County · Clarity: 4.5 ft
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: 2023-07-15
Monitoring stations: 3
Where to stay near Hillsborough-Charles Lake
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