What is the water quality grade for Waunatta Lake?

Waunatta Lake in Orange County, Florida received a water quality grade of C (Fair). Water clarity: 3 ft visibility. Phosphorus: 14 µg/L.

Is Waunatta Lake safe to swim in?

Generally safe for swimming, moderate water quality. Waunatta Lake has an overall water quality grade of C. Always check local health department advisories before swimming.

Waunatta Lake

Orange County, FloridaEutrophic

Waunatta Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 531 other monitored lakes in Orange County, Waunatta Lake ranks #273 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-01-28. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Very murky, less than 3 ft of visibility. Phosphorus level: 14 µg/L. Trophic State Index: 52.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3 ft	F
Phosphorus	14 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	52	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #273 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Waunatta Lake holds Grade C. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Orange County

More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

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Grade A/B + low algae filter

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Panfish-rich, public access

All Florida lakes

Full state directory

Other Grade C Lakes in Florida

Eastern Lake Outlet

Walton County · Clarity: 4.2 ft

Seminole-Secret Lake

Seminole County · Clarity: 4.5 ft

Spring Lake

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

Seminole-Spring Lake

Seminole County · Clarity: 3 ft

Eutrophic Lakes in Florida

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

Lake Size & Watershed

Watershed (drainage) area

3 sq mi

Surface area

57 acres

Mean depth (est.)

7.2 ft

Shoreline

1.3 mi

Elevation

72 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Waunatta Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

City Industries Ground Water Remediation Treatment
Winter Park · 0.8 mi away · NPDES FL0043265
Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Data Sources

Water quality data from the EPA Water Quality Portal

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-01-28

Monitoring stations: 2

Where to stay near Waunatta Lake

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