2019 First Flush Results

The results from our water quality sampling of the first big rain of the season -“First Flush”- are finally here! This is an important citizen science program where trained volunteers collect water samples at outfall pipes and creek mouths during the first...

First Flush Volunteer Training – September 10th 2019

First Flush Volunteer Training is Tuesday, September 10th at the RCD office, located at 80 Stone Pine Rd. Suite 100 in Half Moon Bay. For more information or to RSVP contact noah@sanmateoRCD.org or call (650) 712-7765 x 119.  More information about our water quality...

Volunteers needed for First Flush

Volunteers needed for First Flush! As winter approaches, it is time again for First Flush! The First Flush event, hosted by the Monterey Bay National Marine Sanctuary (MBNMS), monitors water quality at various locations within the MBNMS boundaries. The RCD is the...