D

Lake Van

Polk County, FloridaEutrophic

Lake Van is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Water quality is graded D based on 2 sampling years through 2025. Compared to the 360 other monitored lakes in Polk County, Lake Van ranks #281 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-05-28. 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 1.6 ft of visibility. Phosphorus level: 60.5 µg/L. Trophic State Index: 67.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.6 ft	F
Phosphorus	60.5 µg/L	D
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	67	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #281 of 361 lakes in Polk County

Cleaner Lakes Within 30 Miles

Lake Van holds Grade D. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Polk County

Lake Van @ Center

Polk-Arietta Lake

Lake Mattie Canal

Lake Whistler @ Dock

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

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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 Eastern Lake Outlet Seminole-Secret Lake

Lake Size & Watershed

Watershed (drainage) area

2 sq mi

Surface area

566 acres

Mean depth (est.)

9.2 ft

Shoreline

4.2 mi

Elevation

131 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: 2025-05-28

Monitoring stations: 1

Where to stay near Lake Van

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