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F

Lake Okeechobee @ Clewiston Boat Ramp

Hendry County, FloridaHypereutrophic

Lake Okeechobee @ Clewiston Boat Ramp is a highly nutrient-loaded hypereutrophic lake in Hendry County, Florida. Water quality is graded F based on 2 sampling years through 2021. Compared to the 2 other monitored lakes in Hendry County, Lake Okeechobee @ Clewiston Boat Ramp ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2021-12-06. 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 1.3 ft of visibility. Phosphorus level: 120 µg/L. Trophic State Index: 73.

MetricValueGrade
Water Clarity (Secchi Depth)1.3 ftF
Phosphorus120 µg/LF
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)73Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #3 of 3 lakes in Hendry County

Cleaner Lakes Within 30 Miles

Lake Okeechobee @ Clewiston Boat Ramp holds Grade F. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Hendry County

Lake Size & Watershed

Watershed (drainage) area
5,429 sq mi
Surface area
350,585 acres
Mean depth (est.)
13.1 ft
Shoreline
212.5 mi
Elevation
10 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 Lake Okeechobee @ Clewiston Boat Ramp under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.

  • City Of Clewiston Wwtp
    Clewiston · 3 mi away · NPDES FL0040665
    MajorRecent 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: 2021-12-06

Monitoring stations: 1

Where to stay near Lake Okeechobee @ Clewiston Boat Ramp

Compare lakeside cabins, hotels, and vacation rentals near Lake Okeechobee @ Clewiston Boat Ramp in Hendry County, Florida — live availability and prices for your trip.

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