Highlands-Pearl Lake
Highlands County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Highlands-Pearl Lake. Here is what has been measured.
- Oligotrophic
- Limited data
Highlands-Pearl Lake in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 15.7 ft visibility. Phosphorus: 11 µg/L.
Highlands-Pearl Lake is a cold, clear oligotrophic lake in Highlands County, Florida. Overall water quality is declining over recent sampling years. Compared to the 72 other monitored lakes in Highlands County, Highlands-Pearl Lake ranks #43 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2022-06-11. Methodology: how these readings are compared.
What Highlands-Pearl Lake is good for
From access and monitoring records, not editorial picks.
- Clear water15.7 ft of visibility
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Highlands-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 Highlands-Pearl Lake
These are the measurements Florida DEP publishes for Highlands-Pearl Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 15.7 ft down. Phosphorus 11 µg/L. TSI 38.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 15.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11µg/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. | 38 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Highlands-Pearl Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Highlands-Pearl Lake typically sits around 75°F at the surface in October. Summer average is about 86°F. Usually warmest in Jun (about 88°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 (88°F).
Typical surface water temperature by month, from 70 field readings (2010–2020) via the EPA Water Quality Portal. See the full Highlands-Pearl Lake water temperature breakdown →
Stays via Stay22
Stays near Highlands-Pearl Lake
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Top-rated places to stay near Highlands-Pearl Lake
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Fishing Highlands-Pearl Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Stable5 years
Phosphorus
Worsening+0.35 µg/L/yr5 years
Nearby Lakes in Highlands County
Frequently asked questions about Highlands-Pearl Lake
Where is Highlands-Pearl Lake?
- Highlands-Pearl Lake is a lake in Highlands County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Highlands-Pearl Lake?
- Highlands-Pearl Lake in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 15.7 ft visibility. Phosphorus: 11 µg/L.
Is Highlands-Pearl Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Highlands-Pearl Lake?
- Highlands-Pearl Lake typically sits around 75°F at the surface in October, from 70 EPA Water Quality Portal field readings (2010–2020). That is a typical value for the month, not a live reading.
Explore Highlands-Pearl Lake across LakeQuality
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Where this data comes from
24 measurements from 3 monitoring stations, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX24 samples · 2021–2022
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.