Alachua-Orange Lake
Alachua County, FloridaEutrophic
Alachua-Orange Lake is a productive, nutrient-rich eutrophic lake in Alachua County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 101 other monitored lakes in Alachua County, Alachua-Orange Lake ranks #52 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-05-13. 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: 53 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | F |
| Phosphorus | 53 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #52 of 102 lakes in Alachua County
Cleaner Lakes Within 30 Miles
Alachua-Orange Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Alachua County
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-05-13
Monitoring stations: 4
Where to stay near Alachua-Orange Lake
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