Collier-Eagle Lake
Collier County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Collier-Eagle Lake. Here is what has been measured.
- Mesotrophic
Collier-Eagle Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.5 ft visibility. Phosphorus: 13.5 µg/L.
Collier-Eagle Lake is a mesotrophic lake in Collier County, Florida. Overall water quality is improving over recent sampling years. Compared to the 16 other monitored lakes in Collier County, Collier-Eagle Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-11. 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 Collier-Eagle 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 Collier-Eagle Lake
These are the measurements Florida DEP publishes for Collier-Eagle 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 13.5 µg/L. TSI 44.
| 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 | 13.5µg/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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Stays near Collier-Eagle Lake
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Fishing Collier-Eagle Lake
Water quality readings over time
3 seasons of samples on record (2022–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-2 µg/L/yr3 years
Nearby Lakes in Collier County
Frequently asked questions about Collier-Eagle Lake
Where is Collier-Eagle Lake?
- Collier-Eagle Lake is a lake in Collier County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Collier-Eagle Lake?
- Collier-Eagle Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.5 ft visibility. Phosphorus: 13.5 µg/L.
Is Collier-Eagle Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Collier-Eagle Lake across LakeQuality
Planning a trip around Big Cypress?
Collier-Eagle Lake is about 37 miles from Big Cypress National Preserve. 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 Big Cypress →More lakes in Florida
Other Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
192 measurements from 4 monitoring stations, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX192 samples · 2021–2025
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.