Gumlk Lake
Polk County, FloridaEutrophic
Gumlk Lake is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded F based on 2 sampling years through 2020. Compared to the 360 other monitored lakes in Polk County, Gumlk Lake ranks #325 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2020-10-26. 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 2.3 ft of visibility. Phosphorus level: 120 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | 120 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #325 of 361 lakes in Polk County
Cleaner Lakes Within 30 Miles
Gumlk Lake holds Grade F. 2 nearby lakes hold higher grades.
- DLake AlfredPolk County · 2.8 mi · Higher grade (F → D)
- DLake Van @ CenterPolk County · 2.9 mi · Higher grade (F → D)
Nearby Lakes in Polk County
More Florida Lake Rankings
Other Grade F 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: 2020-10-26
Monitoring stations: 1
Where to stay near Gumlk Lake
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