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LakeQuality

Charlotte-Sturgeon Lake

Charlotte County, FloridaView mapDirections

Florida DEP publishes the water-quality measurements for Charlotte-Sturgeon Lake. Here is what has been measured.

Clarity
2.5 ft
Typical for Florida
Secchi · sampled 2024
Phosphorus
68 µg/L
More phosphorus than most
Measured by Florida DEP
Type
Eutrophic
Trophic class
  • Eutrophic
  • Public access

Charlotte-Sturgeon Lake in Charlotte County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 68 µg/L.

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Charlotte-Sturgeon Lake is a productive, nutrient-rich eutrophic lake in Charlotte County, Florida. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 14 other monitored lakes in Charlotte County, Charlotte-Sturgeon Lake ranks #13 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-09-01. Methodology: how these readings are compared.

Swimming conditions

Readings only

Elevated nutrients

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Charlotte-Sturgeon Lake is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Charlotte-Sturgeon Lake

These are the measurements Florida DEP publishes for Charlotte-Sturgeon Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 2.5 ft of visibility. Phosphorus 68 µg/L. TSI 64.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.5ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus68µg/LPoor
GoodFairPoor
Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.64Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Charlotte-Sturgeon Lake

Answers come straight from the public measurements and survey records on this page.

Stays via Stay22

Stays near Charlotte-Sturgeon Lake

Compare lakeside cabins, hotels, and vacation rentals near Charlotte-Sturgeon Lake in Charlotte County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Charlotte-Sturgeon Lake are listed below.

Top-rated places to stay near Charlotte-Sturgeon Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Charlotte-Sturgeon Lake

3 seasons of samples on record (2022–2024). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Improving

    3 years

  • Phosphorus

    Improving

    -3 µg/L/yr3 years

Nearby Lakes in Charlotte County

Frequently asked questions about Charlotte-Sturgeon Lake

Where is Charlotte-Sturgeon Lake?

Charlotte-Sturgeon Lake is a lake in Charlotte County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Charlotte-Sturgeon Lake?

Charlotte-Sturgeon Lake in Charlotte County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 68 µg/L.

Measurements on this page ↑

Is Charlotte-Sturgeon Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Can I fish at Charlotte-Sturgeon Lake?

Public access to Charlotte-Sturgeon Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.

Where this data comes from

112 measurements from 2 monitoring stations, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • FLORIDA LAKEWATCH21FLKWAT_WQX112 samples · 2022–2024
Monitoring station identifiers (2)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.