D

Oyster Lake East

Walton County, FloridaEutrophic

Oyster Lake East is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 108 other monitored lakes in Walton County, Oyster Lake East ranks #107 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-02-05. 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 1.9 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 66.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.9 ft	F
Phosphorus	62 µg/L	D
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	66	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #107 of 109 lakes in Walton County

Cleaner Lakes Within 30 Miles

Oyster Lake East holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Walton County

Oyster Lake Causeway

Walton-Oyster Lake

Oyster Lake Middle

Oyster Lake West

Lake Allen North

Walton-Allen 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 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 Seminole-Secret Lake Ftt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-02-05

Monitoring stations: 1

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