2023 RMP Sediment Cruise Report

2023. 2023 RMP Sediment Cruise Report. SFEI Contribution No. 1168. Applied Marine Sciences: Livermore, CA.

This report outlines details from the annual Regional Monitoring Program for Water Quality in the San Francisco Estuary (RMP) sediment cruise, conducted July 24 – 27, 2023. The Regional Monitoring Program conducts routine monitoring of water, sediment and biological tissue. For 2023, sampling operations entailed dry season collections at 16 RMP sediment sampling sites.

State of the Estuary Report

The State of the Estuary Report evaluates the status and trends of a suite of indicators selected to represent ecosystem health in the San Francisco Bay and Sacramento-San Joaquin River Delta (the Estuary). 

Storms drive emerging contaminants into the Bay

Rainfall washes contaminants from urban landscapes to San Francisco Bay, degrading water quality. In the latest RMP Update, we highlight the findings of a major multi-year screening study to quantify hundreds of emerging contaminants in stormwater. Our investigation shows that urban stormwater runoff transports toxic chemicals including PFAS, flame retardants, plastic additives, auto tire chemicals, and many others, with concentrations often similar to discharges of municipal wastewater effluent. Further characterization of emerging contaminants in stormwater is a priority for future work.

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