Collier-Harveys Lake
Collier County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Collier-Harveys Lake. Here is what has been measured.
- Eutrophic
- Public access
Collier-Harveys Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 18 µg/L.
Collier-Harveys Lake is a productive, nutrient-rich eutrophic lake in Collier County, Florida. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 16 other monitored lakes in Collier County, Collier-Harveys Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-04. 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-Harveys 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-Harveys Lake
These are the measurements Florida DEP publishes for Collier-Harveys Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. Phosphorus 18 µg/L. TSI 54.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 18µg/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. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Collier-Harveys Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Collier-Harveys Lake
Compare lakeside cabins, hotels, and vacation rentals near Collier-Harveys Lake in Collier County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Collier-Harveys Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Follow Collier-Harveys Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Collier-Harveys Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2021–2024).
Water clarity
Stable4 years
Phosphorus
Worsening+0.9 µg/L/yr4 years
Nearby Lakes in Collier County
Frequently asked questions about Collier-Harveys Lake
Where is Collier-Harveys Lake?
- Collier-Harveys 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-Harveys Lake?
- Collier-Harveys Lake in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 18 µg/L.
Is Collier-Harveys Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Collier-Harveys Lake?
- Public access to Collier-Harveys Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Collier-Harveys Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
231 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX231 samples · 2020–2025
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.