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C

Lake Tarpon Canal

Pinellas County, FloridaEutrophic

Lake Tarpon Canal is a productive, nutrient-rich eutrophic lake in Pinellas County, Florida. Water quality is graded C based on 2 sampling years through 2024. Compared to the 54 other monitored lakes in Pinellas County, Lake Tarpon Canal ranks #13 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2024-09-05. 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 3.6 ft. Phosphorus level: 51 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)3.6 ftD
Phosphorus51 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #13 of 55 lakes in Pinellas County

Cleaner Lakes Within 30 Miles

Lake Tarpon Canal holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Pinellas County

B
Chatauqref Lake
Pinellas County
B
Lake Chautauqua
Pinellas County
F
Pinellas-Saundra Lake
Pinellas County
C
Pinellas-Tarpon Lake
Pinellas County
D
Lake Tarpon
Pinellas County
D
Pinellas-Autu Lake
Pinellas County

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

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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 WestFlagler-Emerald LakeEastern Lake OutletSeminole-Secret Lake

Regulated Pollution Sources Nearby

3 EPA-permitted facilities operate within about 5 miles of Lake Tarpon Canal under Clean Water Act (NPDES) discharge permits, including 3 classified by the EPA as major dischargers. 2 facilities have a reported Clean Water Act violation in the past three years.

  • Clearwater City Of Northeast Wrf
    Safety Harbor · 1.8 mi away · NPDES FL0128937
    MajorRecent violation
  • Oldsmar City Of
    Oldsmar · 3.7 mi away · NPDES FL0027651
    MajorRecent violation
  • Oldsmar, City Of
    Oldsmar · 3 mi away · NPDES FLS648299
    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: 2024-09-05

Monitoring stations: 1

Where to stay near Lake Tarpon Canal

Compare lakeside cabins, hotels, and vacation rentals near Lake Tarpon Canal in Pinellas County, Florida — live availability and prices for your trip.

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