Benthic Cyanobacteria Identified in Seneca Lake

GENEVA, N.Y. – Seneca Lake Pure Waters Association (Pure Waters) is asking the public to be aware of benthic cyanobacteria following a recent identification in Seneca Lake. Pure Waters recently received several photos of unusual debris in the lake near Lakeshore Landing, north of Sampson State Park. After consultation with the Finger Lakes Institute (FLI),...

Water Quality Update: August 21, 2026

GENEVA, N.Y. – As we head into the second half of August, Seneca Lake continues to have no confirmed harmful algal bloom (HAB) reports, while low lake levels remain an area of concern. Pure Waters continues to monitor these conditions closely as we move into late summer. Read the full interactive Water Quality Update for...

Early Insights from the 2025 HABs Season

GENEVA, N.Y. – The Cyanobacteria Harmful Algal Bloom (HAB) season is not necessarily over, but the worst is most probably behind us. The good news is that it was not as intense as last year. The bad news is that HABs are still with us. HABs continued to occur across the Finger Lakes this year...

Be a Steward of Seneca Lake – Join Our Volunteer Team!

Whether you’re a future lake steward like the two boys, or a fourth-generation Seneca Laker who’s spent a lifetime on the water, your help matters. From checking water clarity to planning events, there’s a role for everyone in keeping Seneca Lake clean, healthy, and thriving. As we prepare for a busy 2025 summer season, we’re...