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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Upcoming Event: Seneca Lake Summer Soirée

Join us for a vibrant evening of food, music, and celebration at the Watkins Glen Harbor Hotel — all in support of Seneca Lake Pure Waters Association.

Enjoy live music from The Decades Band, FLX wines, a delicious dinner, and a virtual auction featuring unique local experiences and lake-inspired items. All proceeds support our mission to protect and preserve Seneca Lake.

Save the date: July 23, 2025.
Tickets go live June 1.

Space is limited — reserve your spot.

MORE ABOUT THE SOIRÉE

Featured Projects

Latest News

2025 Seneca Lake Summer Guide Now Available

GENEVA, N.Y. – The 2025 edition of our Summer Guide & Business Directory is now available. This resource is designed for anyone who loves Seneca Lake—whether you’re a resident, visitor, volunteer, or business owner. Inside the guide, you’ll find: Water quality updates, including the latest on harmful algal blooms and invasive species Highlights from our...

Seneca Lake Wine Trail Supports Pure Waters Association

GENEVA, N.Y. – For the second year in a row, the Seneca Lake Wine Trail (Wine Trail) has chosen Seneca Lake Pure Waters Association (Pure Waters) as the beneficiary of its Wine & Experience Auction, held March 21 to 24, 2025. A portion of the proceeds from the auction, totaling $3,645, will go directly to...

Seneca Lake Water Quality Symposium Brings Community Together

GENEVA, N.Y. – Dozens of residents, researchers, and water advocates gathered on a rainy Monday in Geneva for the annual Seneca Lake Water Quality Symposium, hosted at Hobart and William Smith Colleges. This year marked a milestone for the event as it was held in a hybrid format for the first time, allowing both in-person...

Videos of Seneca Lake Pure Waters Association

VOLUNTEER
Make a Difference for Seneca Lake!

It takes many hands and hundreds of volunteer hours to support Pure Waters Water Quality Programs and overall operations.

We have a place where you can help, regardless of your skill set or interests. Please jump in and volunteer today!

BECOME A MEMBER