Lake-Bear
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake-Bear. Here is what has been measured.
- Eutrophic
- Impaired · pH / acidity
Lake-Bear in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 20 µg/L.
Lake-Bear is a productive, nutrient-rich eutrophic 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-Bear ranks #16 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-03. 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. Lake-Bear is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.
Whether Lake-Bear 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-Bear
These are the measurements Florida DEP publishes for Lake-Bear, 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 2.8 ft of visibility. Phosphorus 20 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake-Bear
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake-Bear typically sits around 84°F at the surface in September. Summer average is about 82°F. Usually warmest in Jul (about 85°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 (85°F).
Typical surface water temperature by month, from 48 field readings (2011–2017) via the EPA Water Quality Portal. See the full Lake-Bear water temperature breakdown →
Stays via Stay22
Stays near Lake-Bear
Compare lakeside cabins, hotels, and vacation rentals near Lake-Bear 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.
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Fishing Lake-Bear
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+7.59 µg/L/yr6 years
EPA Impairment Status
Lake-Bear is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit FL2884A · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Lake-Bear
Where is Lake-Bear?
- Lake-Bear 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-Bear?
- Lake-Bear in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.8 ft visibility. Phosphorus: 20 µg/L.
Is Lake-Bear safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake-Bear is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.
What is the water temperature of Lake-Bear?
- Lake-Bear typically sits around 84°F at the surface in September, from 48 EPA Water Quality Portal field readings (2011–2017). That is a typical value for the month, not a live reading.
Explore Lake-Bear across LakeQuality
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Where this data comes from
336 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_WQX336 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database