Yale Lake
Lake County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Impaired · Mercury
- Limited data
Yale Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Yale Lake is a lake in Lake County, Florida. Water clarity is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-02-28. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Yale Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Yale 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 Yale Lake
These are the measurements Florida DEP publishes for Yale 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.
Ask about Yale Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Yale Lake typically sits around 79°F at the surface in October. Summer average is about 86°F. Usually warmest in Jul (about 86°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (61°F) to its warmest (86°F).
Typical surface water temperature by month, from 97 field readings (2010–2021) via the EPA Water Quality Portal. See the full Yale Lake water temperature breakdown →
Stays via Stay22
Stays near Yale Lake
Compare lakeside cabins, hotels, and vacation rentals near Yale Lake 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 Yale Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Yale Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Improving-1.62 µg/L/yr5 years
EPA Impairment Status
Yale Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2807A · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Yale Lake
Where is Yale Lake?
- Yale Lake 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 Yale Lake?
- Yale Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Yale Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Yale Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Yale Lake?
- Yale Lake typically sits around 79°F at the surface in October, from 97 EPA Water Quality Portal field readings (2010–2021). That is a typical value for the month, not a live reading.
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Where this data comes from
2 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 2021
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database