Recognize. Remediate. Restore.

Clean Black Lake Alliance

Dedicated to restoring the health of Black Lake and
ensuring its clean, safe and pleasurable enjoyment by all.

Black Lake, Olympia WA


The fish, wildlife and plants of Black Lake and it's watershed


Identified problems include non-native invasive fish, blue green algae blooms, nuisance weeds, contaminants and garbage


Focusing on a long-term vision for permanent solutions to restore lake health and improve water quality.


Do you appreciate and enjoy Black Lake, as a resident or landowner, for recreational activities, or just for it’s natural beauty? Your participation is important!


Protect Natural Filters

Before Black Lake was drained, a historical marshland filtered the lake water.

And wetlands at the South end of the lake was once an effective natural filter.

Learn More About Natural Filters