C

Myrtle Lake

Lake County, FloridaLimited DataEutrophic

Myrtle Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded C based on 1 sampling years through 2025. Compared to the 316 other monitored lakes in Lake County, Myrtle Lake ranks #85 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-08-19. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

No clarity data. Phosphorus level: 56.2 µg/L. Trophic State Index: 62.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	56.2 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 #85 of 317 lakes in Lake County

Cleaner Lakes Within 30 Miles

Myrtle Lake holds Grade C. One nearby lake has a higher grade.

B
Lake Deaton @ Center
Sumter County · 3.5 mi · Higher grade (C → B)

Nearby Lakes in Lake County

Fountainsh Lake

Griffinwsh Lake

Lake-Griffin West

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

Lake Lancaster West

Orange County · Clarity: 3.5 ft

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

Eutrophic Lakes in Florida

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

Lake Size & Watershed

Watershed (drainage) area

0 sq mi

Surface area

35 acres

Mean depth (est.)

11.2 ft

Shoreline

1 mi

Elevation

62 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: 2025-08-19

Monitoring stations: 1

Where to stay near Myrtle Lake

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