Have you ever noticed storm drains in your neighborhood with either stencils or medallions indicating that dumping will drain directly to the Bay? Have you ever wondered how this drainage system might be different from the one in our homes? The water that goes down our sink and shower drains ends up in a wastewater treatment facility where the water is filtered and treated1. Stormwater is entirely different, however, as it flows directly into storm drains, where it ends up in streams, lakes, and open waterways like the Bay without undergoing any treatment process1. When water flows across impervious …


King Tides dramatically arrived in early December causing widespread flooding across the Bay Area region [1]. These exceptionally high tides provide us with an important glimpse into our future. You may have encountered flooded sidewalks as you walked along the Embarcadero in San Francisco, or had to drive through an inundated North San Pedro Road in China Camp State Park, or even seen water rising up to seating areas along Jack London Square in Oakland. All of this flooding was caused by King Tides, which occur twice each year when the moon, sun, and Earth align to create the strongest …