Lake Silver
Polk County, FloridaEutrophic
Lake Silver is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded C based on 2 sampling years through 2023. Compared to the 360 other monitored lakes in Polk County, Lake Silver ranks #129 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-07-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 3.3 ft of visibility. Phosphorus level: 26 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | D |
| Phosphorus | 26 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #129 of 361 lakes in Polk County
Cleaner Lakes Within 30 Miles
Lake Silver holds Grade C. 2 nearby lakes hold higher grades.
- BLakesilvPolk County · 0.2 mi · Higher grade (C → B)
- BLakemarthaPolk County · 0.5 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
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-07-19
Monitoring stations: 1
Where to stay near Lake Silver
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