Lake Isabell Sw
Polk County, FloridaEutrophic
Lake Isabell Sw is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded C based on 2 sampling years through 2020. Compared to the 360 other monitored lakes in Polk County, Lake Isabell Sw ranks #137 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2020-09-10. Grade methodology: LakeGrade methodology.
Watch Lake Isabell Sw water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 2 ft of visibility. Phosphorus level: 21 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 21 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #137 of 361 lakes in Polk County
Cleaner Lakes Within 30 Miles
Lake Isabell Sw holds Grade C. 5 nearby lakes hold higher grades.
- BLake DamonHighlands County · 1.9 mi · Higher grade (C → B)
- BHighlands-Pioneer LakeHighlands County · 2 mi · Higher grade (C → B)
- BHighlands-Pythias LakeHighlands County · 1.5 mi · Higher grade (C → B)
- BHighlands-Trout LakePolk County · 1.8 mi · Higher grade (C → B)
- BHighlands-Damon LakeHighlands County · 2.3 mi · Higher grade (C → B)
Nearby Lakes in Polk 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
Volusia County · Clarity: 4.5 ft
Seminole County · Clarity: 3 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: 2020-09-10
Monitoring stations: 1
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