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LakeQuality

Lake-Bay

B
Grade B — Good
Good · #15 of 128 lakes in the county · 3 ft clear · Eutrophic · from C
Eutrophic

Lake-Bay in Lake County, Florida has a water quality grade of B (Good). Water clarity: 3 ft visibility. Phosphorus: 28 µg/L.

Clarity
3 ft
Type
Eutrophic
Trend
Stable

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Lake-Bay 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, Lake-Bay ranks #15 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-15. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low algae

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 Lake-Bay

Water Quality Grade: B (Good)

Very murky, less than 3 ft of visibility. Phosphorus level: 28 µg/L. Trophic State Index: 57.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftNot graded
Phosphorus28 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)57Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lake-Bay

Compare lakeside cabins, hotels, and vacation rentals near Lake-Bay 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-Bay

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 →

Fishing Lake-Bay

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.065 m/yr5
Phosphorus Improving-1 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

Lake-Bay is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

MercuryMetals (other than mercury)

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

Source: EPA ATTAINS assessment unit FL2929B · Official waterbody report · Matched by proximity (1.95 km)

County Ranking

Ranked #15 of 128 lakes in Lake County

Nearby Lakes in Lake County

Frequently asked questions about Lake-Bay

Where is Lake-Bay?

Lake-Bay 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 Lake-Bay?

Lake-Bay in Lake County, Florida has a water quality grade of B (Good). Water clarity: 3 ft visibility. Phosphorus: 28 µg/L.

Is Lake-Bay safe to swim in?

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

Where this data comes from

356 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • FLORIDA LAKEWATCH21FLKWAT_WQX356 samples · 2020–2025
Monitoring station identifiers (3)

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