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: 2025 Water Quality Symposium

The Seneca Lake Water Quality Symposium brings together scientists, community members, and advocates to focus on one shared goal: protecting the health of Seneca Lake. Hosted at Hobart and William Smith Colleges, the event offers a chance to hear the latest research, ask questions, and engage directly with the people working on critical issues like harmful algal blooms, lake foam, and emerging contaminants.

Now a key event in the region, the symposium fosters collaboration and sparks action to keep Seneca Lake clean for future generations.

MORE ABOUT THE SYMPOSIUM

Featured Projects

Pure Brew Week

SNPR Projects

HWA

Latest News

May 4, 2025
Rose Family Foundation Funds HWA Project in Seneca Lake

Funding supports efforts to protect vital hemlock trees and preserve water quality in the Seneca Lake watershed GENEVA, N.Y. – Seneca Lake Pure Waters Association is thrilled to announce that the Rose Family Foundation is providing over $50,000 in funding to support the Hemlock Woolly Adelgid (HWA) assessment project. This important milestone allows Pure Waters to map,...

May 4, 2025
Seneca Lake Pure Waters Launches Store for Lake Protection

Geneva, NY — Seneca Lake Pure Waters Association (Pure Waters) is excited to announce the launch of its brand-new online store! Now open, the store features a variety of merchandise that lets you show your love for Seneca Lake while directly supporting efforts to protect its natural beauty and health. From apparel and eco-friendly totes...

April 22, 2025
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...