The Dunes: Lake 4 Water Quality Review | Sanibel Communities for Clean Water

2024 Ranking of Concern 12 out of 45

Water Quality Grade 2024

View All Rankings

Sanibel Communities for Clean Water > Communities

The Dunes: Lake 4

26.45515, -82.05254

Share on Facebook

Share on Twitter

Report Algae Blooms/Fish Kills
Have you implemented some best management practices here? Let us know!

Report Your BMP Activity

Short Title*
Date of Activity*
Date Format: MM slash DD slash YYYY
Your Name
Your Email Address*
Community
Description of the best management practices you implemented:*
Upload Photo
Accepted file types: jpg, gif, png.
If you have an image of your BMP implementation, please upload it here.

Data Summary

Nutrients

2025 2024 2023

IN N/A 0.405 0.444

TN N/A 2.69 8.1

OP N/A 0.033 0.344

TP N/A 0.17 0.69

Chl-a N/A 56.4 241.5

TSI N/A 81.3 86.3

Salinity N/A 17.6 30.8

DO N/A 4.8 7.1

View another community

The Dunes: Lake 4 has a current ranking of concern of 12 out of 45. We’ve analyzed 84 water bodies on Sanibel Island, and ranked them from 1 (most concerned) to 84 (least concerned) .