B

Putnam-Cowpen Lake

Putnam County, FloridaMesotrophic

Putnam-Cowpen Lake is a mesotrophic lake in Putnam County, Florida. Water quality is graded B based on 2 sampling years through 2022. Compared to the 67 other monitored lakes in Putnam County, Putnam-Cowpen Lake ranks #14 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-07-31. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 6.3 ft. Phosphorus level: 13 µg/L. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	6.3 ft	C
Phosphorus	13 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	46	Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #14 of 68 lakes in Putnam County

Cleaner Lakes Within 30 Miles

Putnam-Cowpen Lake holds Grade B. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Putnam County

Putnam-Annie Lake

Gillis Pond Center

Putnam-Fanny Lake

Little Orange Lake North Shore

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 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 Lake Brevard-Clear Lake Marion-Deerback Lake Hillsborough-Flynn Lake

Lake Size & Watershed

Watershed (drainage) area

4 sq mi

Surface area

381 acres

Mean depth (est.)

11.2 ft

Shoreline

6.9 mi

Elevation

95 ft

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

Data Sources

Water quality data from the EPA Water Quality Portal

Lake size & watershed from HydroLAKES (HydroSHEDS)

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-07-31

Monitoring stations: 3

Where to stay near Putnam-Cowpen Lake

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