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LakeQuality

East Lake

B
Grade B — Good
Good · #102 of 128 lakes in the county · 1.5 ft clear · Eutrophic · from C
Limited DataEutrophic

East Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 1.5 ft visibility. Phosphorus: 19 µg/L.

Clarity
1.5 ft
Typical in July
90°F
Type
Eutrophic
Trend
Stable

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East Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded B based on 1 sampling years through 2025. Water clarity is declining over recent sampling years. Compared to the 127 other monitored lakes in Lake County, East Lake ranks #102 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-07-23. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Limited data

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Good for swimming, clear water with low algae levels

Get alerts for East Lake

Water Quality Grade: B (Good)

Very murky, less than 1.5 ft of visibility. Phosphorus level: 19 µg/L. Trophic State Index: 59.

MetricValueGrade
Water Clarity (Secchi Depth)1.5 ftNot graded
Phosphorus19 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)59Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near East Lake

Compare lakeside cabins, hotels, and vacation rentals near East 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 East 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

East Lake typically sits around 90°F at the surface in July. Summer average is about 89°F. Usually warmest in Jul (about 90°F) and coldest in Feb (about 71°F). These are typical values by month — not a live reading.

Jan
Feb
71°
Mar
72°
Apr
80°
May
Jun
88°
Jul
90°
Aug
Sep
Oct
Nov
Dec

Typical surface water temperature by month, from 11 field readings (20252025) via the EPA Water Quality Portal. See the full East Lake water temperature breakdown →

Fishing East Lake

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.064 m/yr6
Phosphorus Improving-1.08 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

East Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)Mercury

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL2839A · Official waterbody report · Matched by proximity (2.89 km)

County Ranking

Ranked #102 of 128 lakes in Lake County

Nearby Lakes in Lake County

Frequently asked questions about East Lake

Where is East Lake?

East Lake is a lake in Lake County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for East Lake?

East Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 1.5 ft visibility. Phosphorus: 19 µg/L.

Is East Lake safe to swim in?

Good for swimming, clear water with low algae levels. East Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of East Lake?

East Lake typically sits around 90°F at the surface in July, from 11 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.

Where this data comes from

22 measurements from 2 monitoring stations, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples22 samples · 2025
Monitoring station identifiers (2)

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