Bloom Updates

Please find below recent updates on the reporting of Harmful Algal Blooms.  The map on this page shows the 34 different zones that are regularly monitored by 44 different citizen volunteers trained by the New York State Department of Environmental Conservation.

To view recent and past reports of Harmful Algal Blooms in New York state, please click HERE.

For more information on Harmful Algal Blooms from the NYSDEC please click HERE.


Recent 2020 NYSDEC reports of Harmful Algal Blooms can be found by clicking HERE to access NYHABS map.


Archived NYSDEC 2019 Harmful Algal Bloom notices can be found by clicking HERE.



Week of 7/20/18     No Blooms

Week of 7/27/18     No Blooms

Week of 8/3/18       Bloom on 8/4 in Zone 3525, Bloom on 8/5 in Zone 3501, Bloom on 8/7 in Zone 3524. DISSIPATED.

Week of 8/10/18     No Blooms

Week of 8/17/18     No Blooms

Week of 8/24/18     No Blooms

Week of 8/31/18     No Blooms

Week of 9/7/18       On 9/4/18 confirmed HAB with high toxins in Zone 3524. Other suspicious blooms were seen on the west side spanning from Zones 3524 to 3516. DISSIPATED.

Week of 9/14/18      On 9/13/18 confirmed HAB near zones 3511, 3514, 3515, 3524, and in Mandana. DISSIPATED

Week of 9/21/18      On 9/16/18 confirmed HAB in zone 3502. DISSIPATED.

Week of 9/28/18      On 9/27/18 confirmed HAB in zone 3524. DISSIPATED.

Week of 10/5/18       No Blooms

Week of 10/12/18      On 10/8/18 confirmed HAB in zone 3524. DISSIPATED.

2020 Skaneateles Lake Shoreline Monitoring Zones for Harmful Algal Blooms (HABs)

34 zones monitored by 44 NYSDEC trained citizen volunteers