Preserve
Protect & Promote

Welcome to Seneca Lake Pure Waters Association

Seneca Lake Pure Waters Association is a 501(c)3 organization committed to preserving, protecting, and promoting the abundant resources of the largest Finger Lake. Seneca Lake is a source of drinking water, recreation, and economic opportunity for the greater community and its visitors. Our programs and partnerships make it possible to monitor water quality, educate the public, and evaluate threats to ensure the a healthy future for Seneca Lake and those who depend on it.

HABS 101

Learn how to recognize harmful algal blooms (HABs), why they happen, and how Seneca Lake Pure Waters Association is monitoring and responding to protect our lake.

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Live Lake-Friendly

As one of over 100,000 residents who use Seneca Lake as a primary water source, you can make a difference in the water quality of Seneca Lake.

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Be a Citizen Scientist

Volunteers and citizen science provides the backbone of our organization, allowing us to further our mission through collaborating with partners and providing education and outreach.

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Make an Impact

Membership dues, donations and grants help to fund our water quality monitoring programs and our efforts to preserve Seneca Lake for future generations.

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Your Gift Protects Our Lake’s Legacy

Seneca Lake has given generations of families countless memories—swimming, boating, fishing, and gathering by the water’s edge. Today, it needs your help to remain healthy and thriving.

Your donation to Seneca Lake Pure Waters Association supports critical programs that protect water quality, preserve wildlife, and ensure the lake remains a source of joy and inspiration for generations to come. Every gift makes a difference.

Give Today. Protect Tomorrow.

Featured Projects

Pure Brew Week

SNPR Projects

HWA

Latest News

October 28, 2025
Ben Klein Named Association Director of Pure Waters

GENEVA, N.Y. – Seneca Lake Pure Waters Association is pleased to announce Benjamin Klein as its new Association Director. Klein brings over 16 years of experience in journalism, media, and communications, and will lead Pure Waters’ efforts to protect and enhance the health of Seneca Lake and its watershed. A native of Long Island, N.Y.,...

October 22, 2025
Fall 2025 LakeWatch: Updates from Across Seneca Lake

GENEVA, N.Y. – Curious about what’s happening on Seneca Lake? The Fall 2025 LakeWatch newsletter is here, packed with updates from across the watershed. With summer behind us and fall in full swing (and dare I say, winter creeping in?!), we’re excited to share our summer highlights and what’s ahead. Inside this issue: The Good,...

October 10, 2025
Ten Years Protecting Seneca Lake: The Story of Dan Corbett

GENEVA, N.Y. – Volunteers are the backbone of Seneca Lake Pure Waters Association (Pure Waters), contributing thousands of hours each year to protect our lake. With nearly 200 dedicated individuals, they support everything from citizen science to event coordination, making a real difference in preserving Seneca Lake for future generations. This week, I had the...