Collier-Saddlebrook Lake
Collier County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Collier-Saddlebrook Lake. Here is what has been measured.
- Mesotrophic
- 52 ft max depth
Collier-Saddlebrook Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 9 µg/L.
Collier-Saddlebrook Lake is a mesotrophic lake in Collier County, Florida with an estimated average depth of about 52 feet. Water clarity is declining over recent sampling years. Compared to the 16 other monitored lakes in Collier County, Collier-Saddlebrook Lake ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-24. 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-Saddlebrook 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-Saddlebrook Lake
These are the measurements Florida DEP publishes for Collier-Saddlebrook 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 9 µg/L. TSI 43.
| 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 | 9µg/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. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Collier-Saddlebrook Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~52 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Collier-Saddlebrook Lake.
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Surface area
42 acres
HydroLAKES / HydroSHEDS
Shoreline
1.1 mi
HydroLAKES / HydroSHEDS
Elevation
23 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Fishing Collier-Saddlebrook 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
Worsening3 years
Phosphorus
Improving-0.75 µg/L/yr3 years
Nearby Lakes in Collier County
Frequently asked questions about Collier-Saddlebrook Lake
Where is Collier-Saddlebrook Lake?
- Collier-Saddlebrook 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-Saddlebrook Lake?
- Collier-Saddlebrook Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 9 µg/L.
Is Collier-Saddlebrook Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Collier-Saddlebrook Lake?
- No published bathymetric survey covers Collier-Saddlebrook Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 52 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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Where this data comes from
160 measurements from 3 monitoring stations, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX160 samples · 2022–2025
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
Lake size & watershed from HydroLAKES (HydroSHEDS)