F

Newnan'S Lake

Alachua County, FloridaHypereutrophic

Newnan'S Lake is a highly nutrient-loaded hypereutrophic lake in Alachua County, Florida. Water quality is graded F based on 2 sampling years through 2022. Compared to the 101 other monitored lakes in Alachua County, Newnan'S Lake ranks #93 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-06-01. 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 1 ft of visibility. Phosphorus level: 250 µg/L. Trophic State Index: 81.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1 ft	F
Phosphorus	250 µg/L	F
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	81	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #93 of 102 lakes in Alachua County

Cleaner Lakes Within 30 Miles

Newnan'S Lake holds Grade F. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Alachua County

Alachua-Newnan Lake

Depot Pond-Gainesville

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Other Grade F Lakes in Florida

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Polk County · Clarity: 1.3 ft

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Polk County · Clarity: 1 ft

Hillsborough County · Clarity: 1.3 ft

Volusia Lake George @ N of Center

Volusia County · Clarity: 2 ft

Brevard County · Clarity: 1.6 ft

Highlands-Wolf Lake

Highlands County · Clarity: 1 ft

Hypereutrophic Lakes in Florida

Polk-Little Bass Lake Polk-Big Bass Lake Lake Roberta Megginnis Arm Off Crowder Landing Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-06-01

Monitoring stations: 1

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