Postponed – Thornon Creek Alliance Meeting January 16, 2020

This meeting is postponed due to weather. Stay tuned for new date.

At the next Thornton Creek Alliance meeting, get updates on Lake City’s newly acquired park/floodplain property on NE 125th St. And learn the latest news about the Citizen Science efforts to monitor E. coli in our Thornton Creek watershed. Free and open […]

Influence of the Confluence – June 9

We live in the Thornton Creek watershed. Have fun and learn about it at this event:

May Meeting of Thornton Creek Alliance

Here’s the next Thornton Creek Alliance meeting poster. (Plus mark your calendar for TCA’s Influence of the Confluence event, to be held at Meadowbrook Pond, 2:00 pm-6:00 pm, Sunday, June 9th.)

Thornton Creek Alliance Meeting About Tree Canopy


FREE & OPEN TO THE PUBLICFor questions about the meeting contact Dan Keefe at:

Thornton Creek Alliance Meeting – January 17, 2019

Learn all about managing beavers in urban settings. We’ll have a panel discussion with representatives from Seattle Public Utilities (Deb Heiden), Seattle Parks (Patti Bakker), and Washington Department of Fish and Wildlife (Ezekial Rohloff).

Thursday, January 17, 2019 6:30 pm social half-hour 7:00 pm program begins Maple Leaf Lutheran Church, 10005 32nd Ave. NE, Seattle, […]

Thornton Creek Alliance Meeting

Thornton Creek Alliance Meeting July 19

Two Educational Presentations at the next Thornton Creek Alliance meeting:

Thursday, JULY 19TH, 2018 6:30 pm Social Time 7:00 to 9:00 pm General Meeting

At Maple Leaf Lutheran Church, 10005 32nd Ave NE


Dredging the Meadowbrook Pond Stormwater Detention Facility

SPU plans to conduct its routine dredging of Meadowbrook […]

Thornton Creek Alliance Meeting April 2018

How to Control Invasive Weeds in the Watershed

Karen Peterson and Ben Peterson from King County will speak about invasive weed management. Knotweed Knockout – John Lombard of the TCA Board will update everyone on our undertaking to bring invasive knotweed under control in the Thornton Creek watershed.

Thursday April 19, 2018

Maple […]

TCA Meeting – January 18, 2018

TCA Meeting on Natural Drainage Systems

Come and learn all about Natural Drainage Systems with Luis Ramirez of Seattle Public Utilities. These projects collect street runoff in swales for biofiltration into the ground, and already exist in parts of Pinehurst and other locations in Seattle.

Thursday, October 19

Maple Leaf Lutheran Church, 10005 32nd Ave. NE

Social time: 6:30 pm

Meeting […]