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LakeQuality
D

Pinellas-Salmons Bay Lake

Pinellas County, FloridaEutrophic

Pinellas-Salmons Bay Lake is a productive, nutrient-rich eutrophic lake in Pinellas County, Florida. Water quality is graded D based on 2 sampling years through 2023. Compared to the 54 other monitored lakes in Pinellas County, Pinellas-Salmons Bay Lake ranks #19 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-03-11. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Very murky, less than 2.5 ft of visibility. Phosphorus level: 36 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)2.5 ftF
Phosphorus36 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 #19 of 55 lakes in Pinellas County

Cleaner Lakes Within 30 Miles

Pinellas-Salmons Bay Lake holds Grade D. One nearby lake has a higher grade.

See full comparison →

Nearby Lakes in Pinellas County

Lake Size & Watershed

Watershed (drainage) area
34 sq mi
Surface area
2,340 acres
Mean depth (est.)
17.7 ft
Shoreline
14.1 mi
Elevation
3 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 Pinellas-Salmons Bay Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

  • City Of Tarpon Springs Ro Wtp
    Tarpon Springs · 1.5 mi away · NPDES FL0571580
    Recent 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: 2023-03-11

Monitoring stations: 3

Where to stay near Pinellas-Salmons Bay Lake

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

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