What is the water quality grade for Hillsborough-Hog Island Lake?

Hillsborough-Hog Island Lake in Hillsborough County, Florida received a water quality grade of C (Fair). Water clarity: 4.8 ft visibility. Phosphorus: 24 µg/L.

Is Hillsborough-Hog Island Lake safe to swim in?

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

Hillsborough-Hog Island Lake

Hillsborough County, FloridaEutrophic

Hillsborough-Hog Island Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded C based on 2 sampling years through 2025. Compared to the 221 other monitored lakes in Hillsborough County, Hillsborough-Hog Island Lake ranks #83 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2025-04-14. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 4.8 ft. Phosphorus level: 24 µg/L. Trophic State Index: 52.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.8 ft	D
Phosphorus	24 µg/L	B
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 #83 of 222 lakes in Hillsborough County

Cleaner Lakes Within 30 Miles

Hillsborough-Hog Island Lake holds Grade C. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Hillsborough County

Hillsborough-Cool-Kell Lake

Hillsborough County

Hillsborough-Kell Lake

Hillsborough County

Pasco-Bird Lake

Pasco County

Hillsborough-Deer Lake

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

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

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

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: 2025-04-14

Monitoring stations: 4

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