F

Lake Washington

Brevard County, FloridaHypereutrophic

Lake Washington is a highly nutrient-loaded hypereutrophic lake in Brevard County, Florida. Water quality is graded F based on 2 sampling years through 2022. Compared to the 27 other monitored lakes in Brevard County, Lake Washington ranks #26 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-08-23. Grade methodology: LakeGrade methodology.

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Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 0.8 ft of visibility. Phosphorus level: 165 µg/L. Trophic State Index: 79.

Metric	Value	Grade
Water Clarity (Secchi Depth)	0.8 ft	F
Phosphorus	165 µg/L	F
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	79	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #26 of 28 lakes in Brevard County

Cleaner Lakes Within 30 Miles

Lake Washington holds Grade F. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Brevard County

Brevard-Washington Lake

Sawgrass Lake East of Center

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 F Lakes in Florida

Polk-Little Bass Lake

Polk County · Clarity: 1.3 ft

Polk-Big Bass Lake

Polk County · Clarity: 1 ft

Alachua-Wauberg Lake

Alachua County · Clarity: 2.4 ft

Hillsborough County · Clarity: 1.3 ft

Volusia Lake George @ N of Center

Volusia County · Clarity: 2 ft

Highlands-Wolf Lake

Highlands County · Clarity: 1 ft

Hypereutrophic Lakes in Florida

Polk-Little Bass Lake Alicetst Lake Polk-Big Bass Lake Lake Roberta

Lake Size & Watershed

Watershed (drainage) area

1,247 sq mi

Surface area

2,617 acres

Mean depth (est.)

4.6 ft

Shoreline

10.6 mi

Elevation

7 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: 2022-08-23

Monitoring stations: 2

Where to stay near Lake Washington

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