Seminole-Crystal Bowl Lake
Seminole County, FloridaMesotrophic
Seminole-Crystal Bowl Lake is a mesotrophic lake in Seminole County, Florida. Water quality is graded A based on 2 sampling years through 2025. Compared to the 167 other monitored lakes in Seminole County, Seminole-Crystal Bowl Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-03-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 11 ft. Phosphorus level: 10.5 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | 10.5 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #1 of 168 lakes in Seminole County
Nearby Lakes in Seminole County
More Florida Lake Rankings
Other Grade A Lakes in Florida
Highlands County · Clarity: 16 ft
Walton County · Clarity: 9 ft
Highlands County · Clarity: 13.2 ft
Orange County · Clarity: 11.5 ft
Volusia County · Clarity: 14 ft
Bay County · Clarity: 14 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: 2025-03-29
Monitoring stations: 2
Where to stay near Seminole-Crystal Bowl Lake
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