Hillsborough-Valrico Lake
Hillsborough County, FloridaEutrophic
Hillsborough-Valrico Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded F based on 2 sampling years through 2023. Compared to the 221 other monitored lakes in Hillsborough County, Hillsborough-Valrico Lake ranks #187 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-01-15. Grade methodology: LakeGrade methodology.
Watch Hillsborough-Valrico Lake water quality
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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 ft of visibility. Phosphorus level: 101 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 101 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #187 of 222 lakes in Hillsborough County
Cleaner Lakes Within 30 Miles
Hillsborough-Valrico Lake holds Grade F. 4 nearby lakes hold higher grades.
- CHillsborough-Wee LakeHillsborough County · 2.3 mi · Two grade letters higher (F → C)
- CHillsborough-Mead LakeHillsborough County · 2.3 mi · Two grade letters higher (F → C)
- CHillsborough-June LakeHillsborough County · 2.4 mi · Two grade letters higher (F → C)
- DHillsborough-Long PondHillsborough County · 0.9 mi · Higher grade (F → D)
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
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: 2023-01-15
Monitoring stations: 3
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