Collier-Quarry Lake
Collier-Quarry Lake in Collier County, Florida has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 7 µg/L.
- Clarity
- 11 ft
- Max depth
- ~23 ft est.
- Type
- Oligotrophic
- Trend
- ↑ Improving
Next lake in Collier County
Swipe left or right on this bar to open the next or previous lake.
Collier-Quarry Lake is a cold, clear oligotrophic lake in Collier County, Florida with an estimated average depth of about 23 feet. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 16 other monitored lakes in Collier County, Collier-Quarry Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-12-15. Grade methodology: LakeQuality methodology.
Watch Collier-Quarry Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Good clarity, visible to about 11 ft. Phosphorus level: 7 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | Not graded |
| Phosphorus | 7 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Collier-Quarry Lake
Compare lakeside cabins, hotels, and vacation rentals near Collier-Quarry 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-Quarry Lake
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 →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~23 ft est. |
| Average Depth | ~12 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-Quarry Lake.
Lake Size & Watershed
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.
Fishing Collier-Quarry Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.533 m/yr | 3 |
| Phosphorus | → Stable | -0.1 µg/L/yr | 3 |
EPA Impairment Status
Collier-Quarry Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL3278S · Official waterbody report · Matched by proximity (2.41 km)
County Ranking
Ranked #4 of 17 lakes in Collier County
Nearby Lakes in Collier County
Frequently asked questions about Collier-Quarry Lake
Where is Collier-Quarry Lake?
- Collier-Quarry Lake is a lake in Collier County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Collier-Quarry Lake?
- Collier-Quarry Lake in Collier County, Florida has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 7 µg/L.
Is Collier-Quarry Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Collier-Quarry Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Collier-Quarry Lake?
- No published bathymetric survey covers Collier-Quarry Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 23 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Collier-Quarry Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
133 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX133 samples · 2020–2024
Monitoring station identifiers (3)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)