The Interagency Ecological Program (IEP) monitoring studies have collected hydrodynamic, water quality, and biological data in the San Francisco Bay-Delta since 1959.
Along with these long-term monitoring surveys, IEP scientists regularly conduct short-term experiments, special studies, and synthesis projects (see the Directed Studies & Synthesis web page).
The table shown in the tab below provides access to data collected by the various IEP studies and a contact person who can provide the data, on request.
The interactive mapping tool shown in the tab below allows you to see where and when data have been collected by these long-term surveys, so you can plan your data requests accordingly.
The portals and data respositories shown in the tab below provide a comprehensive list of sites that provide IEP data.