Dtl Lake
Clay County, FloridaEutrophic
Dtl Lake is a productive, nutrient-rich eutrophic lake in Clay County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 24 other monitored lakes in Clay County, Dtl Lake ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2 ft of visibility. Phosphorus level: 75.2 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 75.2 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #17 of 25 lakes in Clay County
Cleaner Lakes Within 30 Miles
Dtl Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Clay County
More Florida Lake Rankings
Other Grade D Lakes in Florida
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: 2025-02-10
Monitoring stations: 1
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