Hillsborough-Heather Lake
Hillsborough County, FloridaEutrophic
Hillsborough-Heather Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded F based on 2 sampling years through 2025. Compared to the 221 other monitored lakes in Hillsborough County, Hillsborough-Heather Lake ranks #204 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-28. 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: 106 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | F |
| Phosphorus | 106 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #204 of 222 lakes in Hillsborough County
Cleaner Lakes Within 30 Miles
Hillsborough-Heather Lake holds Grade F. 5 nearby lakes hold higher grades.
- AHillsborough-Round LakeHillsborough County · 0.8 mi · Two grade letters higher (F → A)
- BHillsborough-Saddleback South LakeHillsborough County · 0.7 mi · Two grade letters higher (F → B)
- BHillsborough-Zambito-East LakeHillsborough County · 0.3 mi · Two grade letters higher (F → B)
- BHillsborough-Zambito LakeHillsborough County · 0.4 mi · Two grade letters higher (F → B)
- CHillsborough-Crum LakeHillsborough County · 0.9 mi · Two grade letters higher (F → C)
Nearby Lakes in Hillsborough 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
Volusia County · Clarity: 2 ft
Brevard County · Clarity: 1.6 ft
Highlands County · Clarity: 1 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: 2025-02-28
Monitoring stations: 3
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