Orange-Davis Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Orange-Davis Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Limited data
Orange-Davis Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.2 ft visibility. Phosphorus: 42 µg/L.
Orange-Davis 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-Davis Lake ranks #265 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-08-23. Methodology: how these readings are compared.
Swimming conditions
Readings onlyBacteria advisory
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-Davis Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
Whether Orange-Davis 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-Davis Lake
These are the measurements Florida DEP publishes for Orange-Davis 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 4.2 ft. Phosphorus 42 µg/L. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 42µg/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. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
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Fishing Orange-Davis Lake
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Improving-1.56 µg/L/yr6 years
EPA Impairment Status
Orange-Davis 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.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3168Y4 · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Orange-Davis Lake
Where is Orange-Davis Lake?
- Orange-Davis 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-Davis Lake?
- Orange-Davis Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.2 ft visibility. Phosphorus: 42 µg/L.
Is Orange-Davis Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Orange-Davis Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
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Where this data comes from
12 measurements from 3 monitoring stations, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX12 samples · 2024
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