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B

Miami-Dade-Mitchell Lake

Miami-Dade County, FloridaMesotrophic

Miami-Dade-Mitchell Lake is a mesotrophic lake in Miami-Dade County, Florida. Water quality is graded B based on 2 sampling years through 2024. Compared to the 9 other monitored lakes in Miami-Dade County, Miami-Dade-Mitchell Lake ranks #7 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-03-05. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 7.5 ft. Phosphorus level: 17 µg/L. Trophic State Index: 47.

MetricValueGrade
Water Clarity (Secchi Depth)7.5 ftC
Phosphorus17 µg/LB
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #7 of 10 lakes in Miami-Dade County

Cleaner Lakes Within 30 Miles

Miami-Dade-Mitchell Lake holds Grade B. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Miami-Dade County

B
Amelia Earnhart Park Lake
Miami-Dade County
B
Desoto Lakes
Broward County
A
Miami-Dade-Highland Lake
Miami-Dade County
A
Miami-Dade-Esplanade Lake
Miami-Dade County
B
Broward-Pembroke-Isles Lake
Broward County
C
Miami-Dade-Sunrise Lake
Miami-Dade County

More Florida Lake Rankings

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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

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Full state directory

Other Grade B Lakes in Florida

Bay-Deer Point Lake

Bay County · Clarity: 4 ft

Brevard-Clear Lake

Brevard County · Clarity: 9.8 ft

Alachua-Santa Fe Painter Canal Lake

Alachua County · Clarity: 5.5 ft

Seminole-Little Howell Lake

Seminole County · Clarity: 5 ft

Marion-Deerback Lake

Marion County · Clarity: 7 ft

Hillsborough-Flynn Lake

Hillsborough County · Clarity: 6 ft

Mesotrophic Lakes in Florida

Bay-Deer Point LakeBrevard-Clear LakeMarion-Deerback LakeHillsborough-Flynn Lake

Regulated Pollution Sources Nearby

5 EPA-permitted facilities operate within about 5 miles of Miami-Dade-Mitchell Lake under Clean Water Act (NPDES) discharge permits, including 5 classified by the EPA as major dischargers. 1 facility has a reported Clean Water Act violation in the past three years.

  • Opa-Locka, City Of
    Opa Locka · 1.7 mi away · NPDES FLS267180
    MajorRecent violation
  • North Miami, City Of
    North Miami · 2.8 mi away · NPDES FLS267163
    Major
  • Miami Gardens, City Of
    Miami Gardens · 3 mi away · NPDES FLS743640
    Major
  • Miami Shores, Village Of
    Miami Shores · 3.2 mi away · NPDES FLS267139
    Major
  • El Portal, Village Of
    El Portal · 4.1 mi away · NPDES FLS267058
    Major

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)

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-03-05

Monitoring stations: 3

Where to stay near Miami-Dade-Mitchell Lake

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