D

Gadsden-Talquin Lake

Leon County, FloridaEutrophic

Gadsden-Talquin Lake is a productive, nutrient-rich eutrophic lake in Leon County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 126 other monitored lakes in Leon County, Gadsden-Talquin Lake ranks #80 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-07. 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 2.5 ft of visibility. Phosphorus level: 50 µg/L. Trophic State Index: 62.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.5 ft	F
Phosphorus	50 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	62	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #80 of 127 lakes in Leon County

Cleaner Lakes Within 30 Miles

Gadsden-Talquin Lake holds Grade D. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Leon County

Lake Talquin West

Moore Lake South

More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

Best swimming lakes in Florida

Grade A/B + low algae filter

Family fishing lakes in Florida

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

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

1,710 sq mi

Surface area

7,134 acres

Mean depth (est.)

21 ft

Shoreline

52.7 mi

Elevation

75 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: 2025-02-07

Monitoring stations: 3

Where to stay near Gadsden-Talquin Lake

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