B

Olympia Lake

Orange County, FloridaOligotrophic

Olympia Lake is a cold, clear oligotrophic lake in Orange County, Florida. Water quality is graded B based on 2 sampling years through 2025. Compared to the 531 other monitored lakes in Orange County, Olympia Lake ranks #138 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-06. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 8 ft. Phosphorus level: 7 µg/L. Trophic State Index: 40.

Metric	Value	Grade
Water Clarity (Secchi Depth)	8 ft	C
Phosphorus	7 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	40	Oligotrophic

Low nutrients, clear water, excellent for swimming

Location

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County Ranking

Ranked #138 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Olympia Lake holds Grade B. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

Orange-Olympia Lake

Orange-Johio Lake

Orange-Starke Lake

Lkprimacen 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 B Lakes in Florida

Bay-Deer Point Lake

Bay County · Clarity: 4 ft

Brevard-Clear Lake

Brevard County · Clarity: 9.8 ft

Alachua-Santa Fe Painter Canal Lake

Alachua County · Clarity: 5.5 ft

Seminole-Little Howell Lake

Seminole County · Clarity: 5 ft

Marion-Deerback Lake

Marion County · Clarity: 7 ft

Hillsborough-Flynn Lake

Hillsborough County · Clarity: 6 ft

Oligotrophic Lakes in Florida

Highlands-Sirena Lake Highlands-Verona Lake Volusia-Winnemissett Lake Bay-St. Andrew Bay Lake

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

Surface area

69 acres

Mean depth (est.)

11.8 ft

Shoreline

1.5 mi

Elevation

92 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: 2025-02-06

Monitoring stations: 1

Where to stay near Olympia Lake

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