Here you can find a large amount of information, maps, books, documents, and personal knowledge on the Sacramento River.
From the Introduction: The SRWP produces annual monitoring reports that combine its own water quality monitoring data with data from other sources. These reports look at water chemistry, aquatic toxicity, and fish tissue data for a variety of pollutants such as mercury and organophosphate pesticides and at drinking water parameters of concern such as pathogens, organic carbon, and salts.
A photographic atlas of 38 sites along the Sacramento River which contain riparian vegetation which was judged to be significant to the overall stability of the river and its overflow areas between Tisdale Weir (River Mile 118.8) and Hamilton City (River Mile 199.4). This atlas consists of 28 aerial photographs at a scale of 1:62,500.