Hillsborough-Little Wilson Lake
Hillsborough County, FloridaEutrophic
Hillsborough-Little Wilson Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 221 other monitored lakes in Hillsborough County, Hillsborough-Little Wilson Lake ranks #161 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-04-05. Grade methodology: LakeGrade methodology.
Watch Hillsborough-Little Wilson Lake water quality
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 3.9 ft. Phosphorus level: 80 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | D |
| Phosphorus | 80 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #161 of 222 lakes in Hillsborough County
Cleaner Lakes Within 30 Miles
Hillsborough-Little Wilson Lake holds Grade D. 3 nearby lakes hold higher grades.
- BHillsborough-Fuller LakeHillsborough County · 0.8 mi · Two grade letters higher (D → B)
- BLake VirginiaHillsborough County · 1 mi · Two grade letters higher (D → B)
- BHillsborough-Wilson LakeHillsborough County · 0.3 mi · Two grade letters higher (D → B)
Nearby Lakes in Hillsborough County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-04-05
Monitoring stations: 3
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