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D

Lake G

Orange County, FloridaEutrophic

Lake G 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 G ranks #472 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-19. 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: 85.5 µg/L. Trophic State Index: 68.

MetricValueGrade
Water Clarity (Secchi Depth)2 ftF
Phosphorus85.5 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)68Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #472 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Lake G holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

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Lake Barton
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Lake Rabama
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More Florida Lake Rankings

Cleanest lakes in Florida

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

All Florida lakes

Full state directory

Other Grade D Lakes in Florida

Flagler-Emerald Lake

Flagler County · Clarity: 1.8 ft

Ftt Lake

Indian River County · Clarity: 2.3 ft

Putnam-Suggs Lake

Putnam County · Clarity: 2 ft

Alicetst Lake

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 LakeEastern Lake OutletSeminole-Secret LakeFtt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-02-19

Monitoring stations: 1

Where to stay near Lake G

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