CreekSpeak covers chemicals in watershed

This CreekSpeak presentation explores the effects that mercury and selenium can have on the wildlife in the Putah and Cache Watersheds, like the beloved Great Blue Heron. Courtesy photo

Community News

CreekSpeak covers chemicals in watershed

CreekSpeak, Putah Creek Council’s series of community talks about the nature, culture and history of the region begins on July 16 with a discussion on the impacts selenium and mercury have on Putah Creek.

California has a complex geology that has important implications on the chemistry of the Putah and Cache Creek watersheds, as well as other eastside drainages to the Central Valley. 

This talk will examine the prevalence of the natural elements selenium and mercury in these coastal mountain drainages and how human activities have greatly influenced the risk to fish, wildlife, and humans from exposure to these chemicals. 

Join the first CreekSpeak of 2020 to learn from Dr. Earl Byron and Dr. Darell Slotton about how local, coastal watersheds rank in terms of exposure and risk from selenium and mercury.

In order to accommodate social distancing guidelines, Putah Creek Council has opted to move the speakers series online. The presentation begins at 7 p.m. via Zoom Virtual Meeting Platform.

In order to attend a talk, visit the event calendar on the Putah Creek Council website to register for CreekSpeak events. A confirmation email will be sent that includes login information to access the Zoom meeting on the day of the talk.

These talks are free to Putah Creek Council members and open to the public (registration will be capped at 100 people). A $5 donation is requested from those who have not yet joined the Council.

More information about the 2020 CreekSpeak schedule is available at, or by calling the Putah Creek Council office at 530-795-3006.



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