D

Lake Eola

Orange County, FloridaEutrophic

Lake Eola is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 531 other monitored lakes in Orange County, Lake Eola ranks #437 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-18. 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 2.9 ft of visibility. Phosphorus level: 48 µg/L. Trophic State Index: 61.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.9 ft	F
Phosphorus	48 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	61	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #437 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Lake Eola holds Grade D. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

Orange-Eola Lake

Lkolivectr Lake

Orange-Olive Lake

Lake Lawsona Nw of Center

More Florida Lake Rankings

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Top 25 by overall water quality score

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Grade A/B + low algae filter

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Panfish-rich, public access

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Other Grade D Lakes in Florida

Flagler-Emerald Lake

Flagler County · Clarity: 1.8 ft

Indian River County · Clarity: 2.3 ft

Putnam-Suggs Lake

Putnam County · Clarity: 2 ft

Alachua County · Clarity: 3.3 ft

Sarasota-Lake-G

Sarasota County · Clarity: 3.8 ft

Megginnis Arm Off Crowder Landing Lake

Leon County · Clarity: 1 ft

Eutrophic Lakes in Florida

Flagler-Emerald Lake Eastern Lake Outlet Seminole-Secret Lake Ftt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-02-18

Monitoring stations: 1

Where to stay near Lake Eola

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