To see where HABs have been spotted on Cayuga Lake:

Check out the following map provided by the Community Science Institute: 

Check out the DEC HABs Notification Page:

If you see a HAB, avoid and report it. Keep kids and pets away!

Quickly notify us at   

We need pictures of the bloom, location of bloom*, and date and time when pictures were taken.

*GPS coordinates are highly preferable but approximate address and nearby landmarks will also do 

A trained HABs Harrier will respond, and take a sample for analysis if needed. 


The Cayuga Lake Watershed Network is

a grassroots education and advocacy organization of citizens, businesses, groups, and local governments from across the Cayuga Lake Watershed. Our motto: It takes a Network to protect a watershed. Join us!

Become a Member/Renew Membership

First time donors: we'll double your gift via a 2017 challenge grant from the Park Foundation. Support the Canoga-Burroughs creeks water monitoring team, inform the public about invasive species, & update the Cayuga Lake watershed plan!