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Calm Lake

Lake Isle & Lac Ste 

Anne Water Quality Management Society (LILSA)


About LILSA 

Lake Isle & Lac Ste Anne Water Quality Management Society

LILSA is a non-profit society committed to promoting the preservation of Lake Isle and Lac Ste Anne Lake, located 40 minutes west of Edmonton, Alberta.  Our goal is to maintain and improve the quality of the water.  Our society is run entirely by volunteers.​

Abstract Water

LILSA Quick Updates

The Himalayan Balsam Eradication Project at Pigeon Lake, Alberta

A noxious weed removal success story

Lake Isle response effort on flowering rush video:


Getting Involved:


Purchase a 2022/2023 membership for your chance to win a gift card to a local business! All purchases will be entered into a draw! Now is a great time to buy

Upcoming events:

Learn about our upcoming events and AGM

Access to Resources:

Here for the resources? There are plenty of articles, links and studies to read up on

Watershed Reports

Sturgeon River Watershed Report

The Sturgeon River Watershed Management Plan was finished in 2020!  This is a very important document as it includes our important information for Lac Ste Anne and Lake Isle


Concerns: Flowering Rush

Concerns: Blue-Green Algae

How to Help and stay involved

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