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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Happening Now: Seneca Lake Sediment, Nutrient & Pollution Reduction Campaign

Our Sediment, Nutrient & Pollution Reduction (SNPR) Program has been fighting runoff pollution since 2021, funding projects that reduce sediment, nutrients, and other pollutants flowing into Seneca Lake.

This year, SNPR is expanding efforts with local partners to keep our lake clean and healthy.

Join us this August for Water Quality Month and help double your impact with a $5,000 matching gift challenge for new and current donors.

Protect Seneca Lake — every donation makes a difference.

DONATE TODAY

Featured Projects

Pure Brew Week

SNPR Projects

HWA

Latest News

July 24, 2025
Pure Brew Week Returns to Protect Seneca Lake

GENEVA, NY – A crisp Pilsner brewed with local ingredients and a clean-water mission is back on tap this summer as PURE Brew Week returns. Crafted by the Seneca Lake Order of Brewers (SLOBs) in collaboration with the Seneca Lake Pure Waters Association (Pure Waters), PURE Brew 2025 — known as “PURE Pils” — is brewed with 100% New...

July 17, 2025
Now Hiring: Association Director for Seneca Lake Pure Waters

GENEVA, N.Y. – Seneca Lake Pure Waters Association, a nonprofit dedicated to protecting and preserving the water quality of Seneca Lake, is seeking a passionate and experienced Association Director (or Executive Director, commensurate with experience) to lead the organization’s daily operations and growth. For the PDF of the job listing, click here. About UsWe are...

July 14, 2025
2025 Seneca Lake Online Auction | Bid to Protect the Lake

GENEVA, N.Y. — Seneca Lake Pure Waters Association is excited to announce that its popular 2025 Online Auction is officially open for bidding! Community members, supporters, and lake lovers near and far can bid from anywhere to help protect Seneca Lake water quality and support local conservation efforts. The fully virtual auction runs now through...