State of the San Lorenzo River Symposium

The State of the San Lorenzo River Symposium is an annual event hosted by the City of Santa Cruz Water Department, the County of Santa Cruz, the Coastal Watershed Council, the Resource Conservation District of Santa Cruz County, and the San Lorenzo Valley Water District . At the symposium local experts present on the science, history, and policies related to the San Lorenzo River Watershed.

Upcoming Symposium & Tour Information - March 17th

We’ll hear from local experts on atmospheric rivers, the environmental impacts of commercial cannabis, wildfire risks, Pacific salmonids, and riparian conservation. We’ll also share insights on climate change and what you can do to be a river steward.


Zayante Firehouse - 7700 East Zayante Road, Felton, CA 95018


10am – 1pm


1:15pm This will be a walking tour of the Olympia well field.

FREE Registration (optional): here

Presentations By:

Assemblymember Mark Stone: Restoring the San Lorenzo River in the face of climate change, federal deregulation and competing land uses.

Michelle Leicester: Senior Environmental Scientist, California Department of Fish and Wildlife, Environmental impacts of commercial cannabis cultivation and the California Department of Fish and Wildlife Watershed Enforcement Program.

Amy East: Research Geologist at U.S. Geological Survey, San Lorenzo River response to intensive atmospheric-river activity on the central California coast in 2017.

Rich Sampson: Division Chief of Cal Fire, Santa Cruz–San Mateo Unit, Commercial cannabis cultivation, fire and San Lorenzo River watershed health.

Cisco Lopez: Cannabis Cultivator, Demonstrating watershed protection for cannabis cultivation

Maryna Sedoryk: Fisheries Biologist at Pacific States Marine Fisheries Commission, California Coastal Monitoring Plan: Salmon and Steelhead Population Monitoring in Coastal Santa Cruz and San Mateo County

Kristen Kittleson: Fishery Resource Manager at County of Santa Cruz, A Riparian Conservation Strategy for the San Lorenzo Watershed


Questions? Talk to us! E-mail

Phone: 420-5475

News and Updates

1/23/2018 - Save the date! The 4th annual symposium and tour is scheduled for March 17, 2018 10am - 1pm at the Zayante Firehouse. 7700 East Zayante Road, Felton.

3/22/17 - Chris Berry and Chris Coburn joined KSCO's Off the Lip Radio Show to discuss the future planning of the San Lorenzo River. Listen to the show here.

3/6/17 - The 3rd annual event was a great success. Thank you to the attendees, sponsors, and the Sentinel for covering the event on the front page of the Sunday paper. Read the story here.