Northern Tradewinds Lake
Lee County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Northern Tradewinds Lake. Here is what has been measured.
- Limited data
Northern Tradewinds Lake in Lee County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 45.5 µg/L.
Northern Tradewinds Lake is a lake in Lee County, Florida. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-22. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Northern Tradewinds 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.
Water quality measurements for Northern Tradewinds Lake
These are the measurements Florida DEP publishes for Northern Tradewinds Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 45.5 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 45.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Northern Tradewinds Lake
Water quality readings over time
2 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-54 µg/L/yr2 years
Nearby Lakes in Lee County
Frequently asked questions about Northern Tradewinds Lake
Where is Northern Tradewinds Lake?
- Northern Tradewinds Lake is a lake in Lee County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Northern Tradewinds Lake?
- Northern Tradewinds Lake in Lee County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 45.5 µg/L.
Is Northern Tradewinds Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
3 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples3 samples · 2020–2025
Monitoring station identifiers (1)
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.