Orange-Olympia Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Orange-Olympia Lake. Here is what has been measured.
- Mesotrophic
Orange-Olympia Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 13 µg/L.
Orange-Olympia Lake is a mesotrophic lake in Orange County, Florida. Overall water quality is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Orange-Olympia Lake ranks #27 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-16. Methodology: how these readings are compared.
What Orange-Olympia Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 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 Orange-Olympia 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 Orange-Olympia Lake
These are the measurements Florida DEP publishes for Orange-Olympia Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 10.5 ft. Phosphorus 13 µg/L. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 13µg/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. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Orange-Olympia Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near Orange-Olympia Lake
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Fishing Orange-Olympia Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Stable-0.1 µg/L/yr5 years
Nearby Lakes in Orange County
Frequently asked questions about Orange-Olympia Lake
Where is Orange-Olympia Lake?
- Orange-Olympia 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 Orange-Olympia Lake?
- Orange-Olympia Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 13 µg/L.
Is Orange-Olympia Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Orange-Olympia Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
332 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX332 samples · 2020–2025
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.