Ola Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Ola Lake. Here is what has been measured.
- Oligotrophic
Ola Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.5 ft visibility. Phosphorus: 6 µg/L.
Ola Lake is a cold, clear oligotrophic lake in Orange County, Florida. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Ola Lake ranks #152 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-24. 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. Check local advisories before you swim.
Whether Ola 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 Ola Lake
These are the measurements Florida DEP publishes for Ola Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.5 ft. Phosphorus 6 µg/L. TSI 38.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 6µg/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 Ola Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Ola Lake typically sits around 66°F at the surface in December. Usually warmest in Mar (about 73°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (61°F) to its warmest (73°F).
Typical surface water temperature by month, from 13 field readings (2023–2025) via the EPA Water Quality Portal. See the full Ola Lake water temperature breakdown →
Stays via Stay22
Stays near Ola Lake
Compare lakeside cabins, hotels, and vacation rentals near Ola 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 Ola Lake
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Fishing Ola Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Worsening+0.4 µg/L/yr5 years
Nearby Lakes in Orange County
Frequently asked questions about Ola Lake
Where is Ola Lake?
- Ola 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 Ola Lake?
- Ola Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.5 ft visibility. Phosphorus: 6 µg/L.
Is Ola 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 Ola Lake?
- Ola Lake typically sits around 66°F at the surface in December, from 13 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.
Explore Ola Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
79 measurements from 4 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 samples53 samples · 2020–2025
- Submitting organization not recorded for these samples26 samples · 2023–2025
Monitoring station identifiers (4)
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.