C

Mirror Lake

Lake County, FloridaEutrophic

Mirror Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded C based on 2 sampling years through 2023. Compared to the 316 other monitored lakes in Lake County, Mirror Lake ranks #153 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-08-22. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Moderate clarity, visible to about 7 ft. Phosphorus level: 85.7 µg/L. Trophic State Index: 59.

Metric	Value	Grade
Water Clarity (Secchi Depth)	7 ft	C
Phosphorus	85.7 µg/L	D
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	59	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #153 of 317 lakes in Lake County

Cleaner Lakes Within 30 Miles

Mirror Lake holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Lake County

Florencewsh Lake

Johns Lk Nw @ Br 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 C Lakes in Florida

Lake Lancaster West

Orange County · Clarity: 3.5 ft

Eastern Lake Outlet

Walton County · Clarity: 4.2 ft

Seminole-Secret Lake

Seminole County · Clarity: 4.5 ft

Seminole County · Clarity: 2.9 ft

Polk-Fannie Lake

Polk County · Clarity: 3.5 ft

Volusia-North Talmadge Lake

Volusia County · Clarity: 4.5 ft

Eutrophic Lakes in Florida

Lake Lancaster West Flagler-Emerald Lake Eastern Lake Outlet Seminole-Secret Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2023-08-22

Monitoring stations: 1

Where to stay near Mirror Lake

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