Since 1989, Baykeeper has advocated for the health of San Francisco Bay. We use science and clean water laws to improve habitats and communities reliant on a thriving Bay ecosystem.

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Invasive Species
Jan 15, 2019
A clam smaller than a penny stealthily enters San Francisco Bay waters.  It begins quickly devouring the tiny plankton at the base of the Bay’s food chain, causing small local fish to starve. It multiplies fast, soon overcrowding native...
On Patrol
Jan 15, 2019
For Baykeeper, the rainy season means testing polluted runoff flowing from shoreline facilities into the Bay. Over our last 30 years defending the Bay, we've held more than 200 companies accountable for polluting the Bay with contaminants...

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Baykeeper Boat by Robb Most