Pearl Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Pearl Lake. Here is what has been measured.
- Eutrophic
- Impaired · pH / acidity
Pearl Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 19 µg/L.
Pearl Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Pearl Lake ranks #131 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-28. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Pearl Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.
Whether Pearl 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 Pearl Lake
These are the measurements Florida DEP publishes for Pearl Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.5 ft of visibility. Phosphorus 19 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Pearl Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Pearl Lake typically sits around 81°F at the surface in October. Usually warmest in Sep (about 83°F) and coldest in Feb (about 66°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (66°F) to its warmest (83°F).
Typical surface water temperature by month, from 17 field readings (2010–2024) via the EPA Water Quality Portal.
Stays via Stay22
Stays near Pearl Lake
Compare lakeside cabins, hotels, and vacation rentals near Pearl Lake 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 Pearl Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Pearl Lake
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Worsening+1.8 µg/L/yr5 years
EPA Impairment Status
Pearl Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit FL3009J · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Pearl Lake
Where is Pearl Lake?
- Pearl Lake is a lake in Orange County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Pearl Lake?
- Pearl Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.5 ft visibility. Phosphorus: 19 µg/L.
Is Pearl Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Pearl Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for pH / acidity. Check local advisories before you swim.
What is the water temperature of Pearl Lake?
- Pearl Lake typically sits around 81°F at the surface in October, from 17 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Pearl Lake across LakeQuality
Planning a trip around Canaveral?
Pearl Lake is about 34 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 →More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
87 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 samples63 samples · 2020–2025
- Submitting organization not recorded for these samples24 samples · 2023–2024
Monitoring station identifiers (3)
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