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Working collaboratively to monitor, protect and restore the waters and lands of the Tomales Bay watershed

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Rainbow over the east shore pasture land, Tomales Bay © Carlos Porrata

South end of Tomales Bay with view of Black Mountain © Carlos Porrata

Ranch land, east shore of Tomales Bay © Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Pasture land overlooking Hog Island © Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Fog over the west shore in southern Tomales Bay © Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

West shore, Tomales Bay © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Camp boats on Shell Beach © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Elephant Mountain © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Nicasio Resevoir © Rob Carson

Red-tailed Hawk © Carlos Porrata

Historic railroad berm by Bivalve © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Inverness Ridge © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Moon rise over Tomales Bay © Photo by Richard Blair & Kathleen Goodwin/EnvironmentalEye.org

Local Stewardship

Together we can be stewards of this magnificent place, support Tomales Bay today!

See how you can help.

What’s New...

2014 Beach Monitoring Season

Each year, from April 1-October 30, the Marin County Environmental Health Services (EHS) performs weekly monitoring of bacteria levels at selected recreational use sites in the Tomales Bay watershed. The Tomales Bay Watershed Council is committed to providing the public current advisory conditions for each of the monitored sites on our Beach Water Quality page. Check weekly for the latest advisory conditions. Support the Council's ongoing efforts to bring you this service with a donation!

Local Support for Local Stewardship

The Council is proud of the local stewards who support our long-term water quality monitoring program in the Tomales Bay watershed. Our thanks to Hog Island Oyster Co. for donating 10% of the sales of their 2013 & 2014 anniversary wines to support the Council. Supplies of the 2013 blend have run out. Friend us on Facebook for details of the 2014 blend. Thanks also to The Inverness Foundation who has adopted one of the Council’s long-term monitoring watersheds, First Valley Creek, for the 2013/14 season. The support of local stewards such as these make the Council’s mission possible. See the Adopt Our Watershed page for more information about how you can help!

Five-Year Water Quality Monitoring Report Available

The Council’s technical water quality report covering the first five years (2007-2012) of grant-funded water quality monitoring of long-term trends, pollutant source area characterizations and wetland restoration is available on our water quality page, here. The report provides analysis of intensive water quality monitoring at sites throughout the Tomales Bay watershed as part of efforts to document existing conditions, long-term trends, potential pollution sources and documenting changes in water quality resulting from the Giacomini wetland restoration.