Orange-Giles Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Orange-Giles Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
Orange-Giles Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 24 µg/L.
Orange-Giles Lake is a productive, nutrient-rich eutrophic 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-Giles Lake ranks #224 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-13. 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-Giles Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Orange-Giles 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-Giles Lake
These are the measurements Florida DEP publishes for Orange-Giles 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 6.5 ft. Phosphorus 24 µg/L. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 24µg/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. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Orange-Giles Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Improving-0.7 µg/L/yr5 years
EPA Impairment Status
Orange-Giles 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 FL3168Z4 · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Orange-Giles Lake
Where is Orange-Giles Lake?
- Orange-Giles 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-Giles Lake?
- Orange-Giles Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 24 µg/L.
Is Orange-Giles Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Orange-Giles Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Orange-Giles Lake across LakeQuality
Planning a trip around Canaveral?
Orange-Giles Lake is about 39 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Canaveral →More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
180 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_WQX180 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