Lake Powell Bay County Line
Walton County, FloridaMesotrophic
Lake Powell Bay County Line is a mesotrophic lake in Walton County, Florida. Water quality is graded B based on 2 sampling years through 2025. Compared to the 108 other monitored lakes in Walton County, Lake Powell Bay County Line ranks #37 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-12. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.5 ft. Phosphorus level: 14 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft | D |
| Phosphorus | 14 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #37 of 109 lakes in Walton County
Nearby Lakes in Walton County
More Florida Lake Rankings
Other Grade B Lakes in Florida
Bay County · Clarity: 4 ft
Brevard County · Clarity: 9.8 ft
Alachua County · Clarity: 5.5 ft
Seminole County · Clarity: 5 ft
Marion County · Clarity: 7 ft
Hillsborough County · Clarity: 6 ft
Mesotrophic Lakes in Florida
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-02-12
Monitoring stations: 1
Where to stay near Lake Powell Bay County Line
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