Lake-Winona
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake-Winona. Here is what has been measured.
- Mesotrophic
Lake-Winona in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.5 ft visibility. Phosphorus: 17 µg/L.
Lake-Winona is a mesotrophic lake in Lake County, Florida. Overall water quality is declining over recent sampling years. Compared to the 127 other monitored lakes in Lake County, Lake-Winona ranks #27 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-22. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
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 Lake-Winona 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 Lake-Winona
These are the measurements Florida DEP publishes for Lake-Winona, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.5 ft. Phosphorus 17 µg/L. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 17µg/L | Good 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. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake-Winona
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake-Winona typically sits around 75°F at the surface in October. Summer average is about 87°F. Usually warmest in Aug (about 88°F) and coldest in Feb (about 62°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (62°F) to its warmest (88°F).
Typical surface water temperature by month, from 10 field readings (2011–2011) via the EPA Water Quality Portal. See the full Lake-Winona water temperature breakdown →
Stays via Stay22
Stays near Lake-Winona
Compare lakeside cabins, hotels, and vacation rentals near Lake-Winona in Lake 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.
Top-rated places to stay near Lake-Winona
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Follow Lake-Winona’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake-Winona
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+6.01 µg/L/yr6 years
Nearby Lakes in Lake County
Frequently asked questions about Lake-Winona
Where is Lake-Winona?
- Lake-Winona is a lake in Lake County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake-Winona?
- Lake-Winona in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.5 ft visibility. Phosphorus: 17 µg/L.
Is Lake-Winona safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Lake-Winona?
- Lake-Winona typically sits around 75°F at the surface in October, from 10 EPA Water Quality Portal field readings (2011–2011). That is a typical value for the month, not a live reading.
Explore Lake-Winona across LakeQuality
More lakes in Florida
Other Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
297 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX297 samples · 2020–2025
Monitoring station identifiers (3)
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.