Skip to main content
LakeQuality
D

Collier-Beachwalk A Lake

Collier County, FloridaEutrophic

Collier-Beachwalk A Lake is a productive, nutrient-rich eutrophic lake in Collier County, Florida. Water quality is graded D based on 2 sampling years through 2020. Compared to the 23 other monitored lakes in Collier County, Collier-Beachwalk A Lake ranks #17 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2020-03-05. Grade methodology: LakeGrade methodology.

Watch Collier-Beachwalk A Lake water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 3.4 ft. Phosphorus level: 93.5 µg/L. Trophic State Index: 65.

MetricValueGrade
Water Clarity (Secchi Depth)3.4 ftD
Phosphorus93.5 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)65Eutrophic

High nutrients, frequent algae, reduced clarity

Location

Loading map…

County Ranking

Ranked #17 of 24 lakes in Collier County

Cleaner Lakes Within 30 Miles

Collier-Beachwalk A Lake holds Grade D. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Collier County

D
Collier-Beachwalk B Lake
Collier County
F
Collier-Beachwalk C Lake
Collier County
B
Collier-Heron Pointe Lake
Collier County
C
Collier-Islandwalk Lake
Collier County
B
Collier-Crystal Lake
Collier County
A
Collier-Quarry Lake
Collier County

More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

Best swimming lakes in Florida

Grade A/B + low algae filter

Family fishing lakes in Florida

Panfish-rich, public access

All Florida lakes

Full state directory

Other Grade D Lakes in Florida

Flagler-Emerald Lake

Flagler County · Clarity: 1.8 ft

Ftt Lake

Indian River County · Clarity: 2.3 ft

Lake Orlando East

Orange County · Clarity: 2 ft

Lake Rowena

Orange County · Clarity: 3 ft

Lake G

Orange County · Clarity: 2 ft

Putnam-Suggs Lake

Putnam County · Clarity: 2 ft

Eutrophic Lakes in Florida

Lake Lancaster WestFlagler-Emerald LakeEastern Lake OutletSeminole-Secret Lake

Regulated Pollution Sources Nearby

5 EPA-permitted facilities operate within about 5 miles of Collier-Beachwalk A Lake under Clean Water Act (NPDES) discharge permits, including 4 classified by the EPA as major dischargers. 1 facility has a reported Clean Water Act violation in the past three years.

  • Bay Creek Cdd
    Naples · 1 mi away · NPDES FLS266931
    Major
  • Bayside Improvement Cdd
    Naples · 1 mi away · NPDES FLS266922
    Major
  • Brooks Of Bonita Springs Cdd
    Coconut Creek · 1 mi away · NPDES FLS267007
    Major
  • River Ridge Cdd
    Naples · 1 mi away · NPDES FLS266914
    Major
  • Collier County North County Wrf
    Naples · 1.7 mi away · NPDES FL0141399
    Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Data Sources

Water quality data from the EPA Water Quality Portal

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Grading methodology based on Metropolitan Council standards

Most recent sample: 2020-03-05

Monitoring stations: 1

Where to stay near Collier-Beachwalk A Lake

Compare lakeside cabins, hotels, and vacation rentals near Collier-Beachwalk A Lake in Collier County, Florida — live availability and prices for your trip.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.