D

Petty Gulf Lake

Leon County, FloridaEutrophic

Petty Gulf Lake is a productive, nutrient-rich eutrophic lake in Leon County, Florida. Water quality is graded D based on 2 sampling years through 2024. Compared to the 126 other monitored lakes in Leon County, Petty Gulf Lake ranks #96 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-10-31. 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 1 ft of visibility. Phosphorus level: 32.5 µg/L. Trophic State Index: 66.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1 ft	F
Phosphorus	32.5 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	66	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #96 of 127 lakes in Leon County

Cleaner Lakes Within 30 Miles

Petty Gulf Lake holds Grade D. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Leon County

Leon-Petty Gulf Lake

M of Petty Gulf Lake

M of Lower Dianne Lake

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

All Florida lakes

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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

Lake Orlando East

Orange County · Clarity: 2 ft

Orange County · Clarity: 3 ft

Orange County · Clarity: 2 ft

Putnam-Suggs Lake

Putnam County · Clarity: 2 ft

Eutrophic Lakes in Florida

Lake Lancaster West Flagler-Emerald Lake Eastern Lake Outlet Seminole-Secret Lake

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

Surface area

44 acres

Mean depth (est.)

9.5 ft

Shoreline

1.5 mi

Elevation

190 ft

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: 2024-10-31

Monitoring stations: 1

Where to stay near Petty Gulf Lake

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