Highlands-Tulane Lake
Highlands County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Highlands-Tulane Lake. Here is what has been measured.
- Oligotrophic
Highlands-Tulane Lake in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 17 ft visibility. Phosphorus: 7 µg/L.
Highlands-Tulane 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-Tulane Lake ranks #28 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2022-12-13. Methodology: how these readings are compared.
What Highlands-Tulane Lake is good for
From access and monitoring records, not editorial picks.
- Clear water17 ft of visibility
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. Check local advisories before you swim.
Whether Highlands-Tulane 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-Tulane Lake
These are the measurements Florida DEP publishes for Highlands-Tulane 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 17 ft down. Phosphorus 7 µg/L. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 17ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 7µg/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. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Answers come straight from the public measurements and survey records on this page.
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Fishing Highlands-Tulane Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Stable0 µg/L/yr5 years
Nearby Lakes in Highlands County
Frequently asked questions about Highlands-Tulane Lake
Where is Highlands-Tulane Lake?
- Highlands-Tulane 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-Tulane Lake?
- Highlands-Tulane Lake in Highlands County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 17 ft visibility. Phosphorus: 7 µg/L.
Is Highlands-Tulane Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Highlands-Tulane Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
72 measurements from 3 monitoring stations, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX72 samples · 2020–2022
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.