Lake Viola
Highlands County, FloridaEutrophic
Lake Viola is a productive, nutrient-rich eutrophic lake in Highlands County, Florida. Water quality is graded C based on 2 sampling years through 2023. Compared to the 149 other monitored lakes in Highlands County, Lake Viola ranks #91 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-03-16. Grade methodology: LakeGrade methodology.
Watch Lake Viola water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 1.6 ft of visibility. Phosphorus level: 14 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | F |
| Phosphorus | 14 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #91 of 150 lakes in Highlands County
Cleaner Lakes Within 30 Miles
Lake Viola holds Grade C. 5 nearby lakes hold higher grades.
- AHighlands-Verona LakeHighlands County · 1.1 mi · Two grade letters higher (C → A)
- ALake VeronaHighlands County · 1.2 mi · Two grade letters higher (C → A)
- BHighlands-Viola LakeHighlands County · 0.2 mi · Higher grade (C → B)
- BHighlands-Pioneer LakeHighlands County · 0.6 mi · Higher grade (C → B)
- BLake DamonHighlands County · 1.7 mi · Higher grade (C → B)
Nearby Lakes in Highlands 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
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: 2023-03-16
Monitoring stations: 1
Where to stay near Lake Viola
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