C

Lake Jessamine

Orange County, FloridaEutrophic

Lake Jessamine is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 531 other monitored lakes in Orange County, Lake Jessamine ranks #409 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-03-26. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Very murky, less than 2 ft of visibility. Phosphorus level: 16 µg/L. Trophic State Index: 56.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2 ft	F
Phosphorus	16 µg/L	B
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	56	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #409 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Lake Jessamine holds Grade C. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

Orange-Jessamine Lake

Jessamine M Lake

Jessamine Sw Lake

Orange-Jessamine South Lake

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 C Lakes in Florida

Eastern Lake Outlet

Walton County · Clarity: 4.2 ft

Seminole-Secret Lake

Seminole County · Clarity: 4.5 ft

Seminole County · Clarity: 2.9 ft

Polk-Fannie Lake

Polk County · Clarity: 3.5 ft

Volusia-North Talmadge Lake

Volusia County · Clarity: 4.5 ft

Seminole-Spring Lake

Seminole County · Clarity: 3 ft

Eutrophic Lakes in Florida

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

Lake Size & Watershed

Watershed (drainage) area

15 sq mi

Surface area

220 acres

Mean depth (est.)

11.2 ft

Shoreline

3.6 mi

Elevation

89 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: 2025-03-26

Monitoring stations: 2

Where to stay near Lake Jessamine

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