Polk-Davenport North Lake
Polk County, FloridaEutrophic
Polk-Davenport North Lake is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded C based on 2 sampling years through 2021. Compared to the 360 other monitored lakes in Polk County, Polk-Davenport North Lake ranks #75 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2021-06-23. Grade methodology: LakeGrade methodology.
Watch Polk-Davenport North Lake water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 3 ft of visibility. Phosphorus level: 24 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | D |
| Phosphorus | 24 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #75 of 361 lakes in Polk County
Cleaner Lakes Within 30 Miles
Polk-Davenport North Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →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: 2021-06-23
Monitoring stations: 3
Where to stay near Polk-Davenport North Lake
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