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LakeQuality

Lake Osceola

B
Grade B — Good
Good · #65 of 320 lakes in the county · 7 ft clear · Mesotrophic
Mesotrophic

Lake Osceola in Orange County, Florida has a water quality grade of B (Good). Water clarity: 7 ft visibility. Phosphorus: 9 µg/L.

Clarity
7 ft
Typical in April
80°F
Type
Mesotrophic
Trend
Declining

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Lake Osceola is a mesotrophic lake in Orange County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Lake Osceola ranks #65 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-24. 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 Osceola

Water Quality Grade: B (Good)

Moderate clarity, visible to about 7 ft. Phosphorus level: 9 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)7 ftNot graded
Phosphorus9 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lake Osceola

Compare lakeside cabins, hotels, and vacation rentals near Lake Osceola in Orange 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 Osceola

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

Lake Osceola typically sits around 80°F at the surface in April. Usually warmest in Apr (about 80°F) and coldest in Feb (about 72°F). These are typical values by month — not a live reading.

Jan
Feb
72°
Mar
73°
Apr
80°
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Typical surface water temperature by month, from 10 field readings (20232025) via the EPA Water Quality Portal. See the full Lake Osceola water temperature breakdown →

Fishing Lake Osceola

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

MetricTrendChange/YearYears
Water Clarity Declining-0.103 m/yr6
Phosphorus Declining+2.1 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

Algal growthImpaired biota (cause unknown)Nutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit FL2997V · Official waterbody report · Matched by proximity (2.67 km)

County Ranking

Ranked #65 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Lake Osceola

Where is Lake Osceola?

Lake Osceola is a lake in Orange 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 Osceola?

Lake Osceola in Orange County, Florida has a water quality grade of B (Good). Water clarity: 7 ft visibility. Phosphorus: 9 µg/L.

Is Lake Osceola safe to swim in?

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

What is the water temperature of Lake Osceola?

Lake Osceola typically sits around 80°F at the surface in April, from 10 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.

Planning a trip around Canaveral?

Lake Osceola is about 38 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Canaveral

Where this data comes from

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

Collected and reported by

  • Submitting organization not recorded for these samples113 samples · 2020–2025
  • Submitting organization not recorded for these samples20 samples · 2023–2025
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