What’s new:

2021 Cottage Lake fundraising results, lake status, and next steps

After the final checks and online donations were counted, we raised over $7500 towards future lake treatments. Thank you to everyone that donated! Also, a big thank you to John and Beth for organizing the event, all the volunteers that helped, and to Leanette for providing the location.

The lake continues to be very green and I’m still seeing some pretty think algae scum layers around the lake. That said, the tests continue to come back under the state limit, so the lake is officially open. Please continue to be careful if you see algae and, “when in doubt, stay out” (new signs with this slogan should be up at the park).

In the next couple of weeks, you may see a big boat out on the lake – our contractor will be mapping the weeds and getting additional measurements in preparation for treatments next year. I’ll post an update once we have more information on options for both milfoil and phosphorus control.

Amazon also supports charities:
Shop at smile.amazon.com/ch/91-1593099 and Amazon donates to Friends of Cottage Lake.

Milfoil Update (08/26/21):
We last treated the lake for Eurasian milfoil in June of 2018 – we saw some milfoil return in 2019 and more in 2020, but it has not yet grown back to pre-treatment levels. See our milfoil page for more information.

Water Lilies – last treated in 2017 – watching the remaining lilies – no treatment currently planned.
See the water lily page for more info.

Fish Stocking information for 2021:
Cottage Lake Fish Stocking (stocked on April 12th)

Join Friends of Cottage Lake on Facebook:
Click here to apply to join the private group or check out our public page here: https://www.facebook.com/FOCL.Woodinville​

Who we are:

Friends of Cottage Lake (FOCL) is a non-profit, community-based group committed to improving and defending the health and continued enjoyment of Cottage Lake in Woodinville, WA.

We are currently working with King County to apply for grant money to help fund various lake improvement projects. In the summer of 2005, our lake was chosen as a recipient of a Centennial Clean Water Fund grant—this grant targets the phosphorus problem and funded water quality monitoring and community outreach programs for 5 years.

FOCL is also working with the community to deal with the water lily problem and the Eurasian Milfoil infestation on Cottage Lake. See the links for more information.