Protecting and Restoring the Morro Bay Estuary.
water pollution

First Flush in the Morro Bay Watershed: What goes down the drain?

First Flush Embarcadero

    Each fall, many of us busily prepare for the first big rain of the wet season. Homeowners might clean out gutters and put away patio furniture. Cities often run their street sweepers and vacuum out storm drains to prevent flooding. This past fall, the Estuary Program prepared for what is known as First Flush monitoring. What’s the harm in a little runoff? In the course of daily life, pollutants build up on our streets and sidewalks. Things like oil spills from cars, fertilizer from landscaping, pet waste, and trash can gather. When the first big rain arrives, these …

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