Collier-Crystal Lake
Collier County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Limited data
Collier-Crystal Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Collier-Crystal Lake is a lake in Collier County, Florida. Water clarity is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-01-03. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Collier-Crystal 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-Crystal Lake
These are the measurements Florida DEP publishes for Collier-Crystal Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Collier-Crystal Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Collier-Crystal Lake
Water quality readings over time
3 seasons of samples on record (2020–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Worsening+0.35 µg/L/yr3 years
Nearby Lakes in Collier County
Frequently asked questions about Collier-Crystal Lake
Where is Collier-Crystal Lake?
- Collier-Crystal 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-Crystal Lake?
- Collier-Crystal Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Collier-Crystal Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
6 measurements from 3 monitoring stations, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX6 samples · 2020
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.