Yale Lake
Yale Lake in Lake County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar.
- Typical in August
- 86°F
- Trend
- → Stable
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Why Yale Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Yale Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by FDEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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. Grade methodology: LakeQuality methodology.
Watch Yale Lake water quality
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Yale Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Where to stay 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
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 →
Water Temperature
Yale Lake typically sits around 86°F at the surface in August. 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.
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 →
Fishing Yale Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.279 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.62 µg/L/yr | 5 |
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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2807A · Official waterbody report
Graded lakes near Yale Lake
Yale Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Lake County
Frequently asked questions about Yale Lake
Where is Yale Lake?
- Yale Lake is a lake in Lake County, Florida. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Yale Lake?
- Yale Lake in Lake County, Florida is not rated for water quality — its monitoring record does not meet the evidence bar.
Is Yale Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Yale Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
What is the water temperature of Yale Lake?
- Yale Lake typically sits around 86°F at the surface in August, from 97 EPA Water Quality Portal field readings (2010–2021). That is a typical value for the month, not a live reading.
Explore Yale Lake across LakeQuality
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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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database