Tomales Bay East-Side Water Sampling Results

Among its sampling programs the Tomales Bay Watershed Council Foundation (now the Tomales Bay Foundation) conducted 5-week winter and summer sampling at 14 sites in the Tomales Bay Watershed (as shown here). Here are the results from 2004 to 2021 for 6 sites at the east side of the Bay. The charts below indicate the Geomean of each 5-week series.

Note. Fecal Coliform results are dependent upon temperature, pH, rainfall and other variables.