D

Walton-Oyster Lake

Walton County, FloridaEutrophic

Walton-Oyster Lake is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded D based on 2 sampling years through 2022. Compared to the 108 other monitored lakes in Walton County, Walton-Oyster Lake ranks #106 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-04-22. 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 2.8 ft of visibility. Phosphorus level: 72 µg/L. Trophic State Index: 64.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.8 ft	F
Phosphorus	72 µg/L	D
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	64	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #106 of 109 lakes in Walton County

Cleaner Lakes Within 30 Miles

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

See full comparison →

Nearby Lakes in Walton County

Oyster Lake Middle

Oyster Lake Causeway

Oyster Lake West

Oyster Lake East

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: 2022-04-22

Monitoring stations: 4

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