Grayton Lake Roadside
Walton County, FloridaEutrophic
Grayton Lake Roadside is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 108 other monitored lakes in Walton County, Grayton Lake Roadside ranks #85 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-15. Grade methodology: LakeGrade methodology.
Watch Grayton Lake Roadside water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 4.3 ft. Phosphorus level: 16 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.3 ft | D |
| Phosphorus | 16 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #85 of 109 lakes in Walton County
Cleaner Lakes Within 30 Miles
Grayton Lake Roadside holds Grade C. 3 nearby lakes hold higher grades.
- BGrayton Lake MiddleWalton County · 0.2 mi · Higher grade (C → B)
- BGrayton Lake WesternWalton County · 0.1 mi · Higher grade (C → B)
- BWalton-Grayton LakeWalton County · 0.1 mi · Higher grade (C → B)
Nearby Lakes in Walton County
More Florida Lake Rankings
Other Grade C Lakes in Florida
Orange County · Clarity: 3.5 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
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: 2025-02-15
Monitoring stations: 1
Where to stay near Grayton Lake Roadside
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