D

Carltonlk Lake

Orange County, FloridaEutrophic

Carltonlk Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded D based on 2 sampling years through 2023. Compared to the 531 other monitored lakes in Orange County, Carltonlk Lake ranks #505 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-08-16. 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 3.3 ft of visibility. Phosphorus level: 147 µg/L. Trophic State Index: 68.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.3 ft	D
Phosphorus	147 µg/L	F
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	68	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #505 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Carltonlk Lake holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

Horseshoenwsh Lake

Beauclaire 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

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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

Putnam-Suggs Lake

Putnam County · Clarity: 2 ft

Alachua County · Clarity: 3.3 ft

Sarasota-Lake-G

Sarasota County · Clarity: 3.8 ft

Megginnis Arm Off Crowder Landing Lake

Leon County · Clarity: 1 ft

Eutrophic Lakes in Florida

Flagler-Emerald Lake Eastern Lake Outlet Seminole-Secret Lake Ftt Lake

Lake Size & Watershed

Watershed (drainage) area

199 sq mi

Surface area

351 acres

Mean depth (est.)

7.9 ft

Shoreline

2.7 mi

Elevation

66 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: 2023-08-16

Monitoring stations: 1

Where to stay near Carltonlk Lake

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