Orange-Eola Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Orange-Eola Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
Orange-Eola Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 47 µg/L.
Orange-Eola Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water clarity is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Orange-Eola Lake ranks #281 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-24. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
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. Orange-Eola Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
Whether Orange-Eola 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-Eola Lake
These are the measurements Florida DEP publishes for Orange-Eola Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4 ft. Phosphorus 47 µg/L. TSI 58.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 47µg/L | Fair 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. | 58 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Orange-Eola Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Orange-Eola Lake typically sits around 85°F at the surface in September. Summer average is about 87°F. Usually warmest in Jun (about 87°F) and coldest in Feb (about 65°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (65°F) to its warmest (87°F).
Typical surface water temperature by month, from 15 field readings (2014–2015) via the EPA Water Quality Portal. See the full Orange-Eola Lake water temperature breakdown →
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Stays near Orange-Eola Lake
Compare lakeside cabins, hotels, and vacation rentals near Orange-Eola 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.
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Fishing Orange-Eola Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Improving-2.69 µg/L/yr6 years
EPA Impairment Status
Orange-Eola Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit FL3168Y9 · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Orange-Eola Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger.
- Edgewood, City OfEdgewood · 0.2 mi away · NPDES FLS266817Major
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Orange County
Frequently asked questions about Orange-Eola Lake
Where is Orange-Eola Lake?
- Orange-Eola 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-Eola Lake?
- Orange-Eola Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 47 µg/L.
Is Orange-Eola Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Orange-Eola Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
What is the water temperature of Orange-Eola Lake?
- Orange-Eola Lake typically sits around 85°F at the surface in September, from 15 EPA Water Quality Portal field readings (2014–2015). That is a typical value for the month, not a live reading.
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Where this data comes from
132 measurements from 3 monitoring stations, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX132 samples · 2021–2025
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)