Thu, Jun 5 2025

Broader Access to Lake County Tribal Water Quality Data

The Habematolel Pomo of Upper Lake (HPUL) and the Lake County Watershed Protection District (District) approached SFEI with a challenge: how can they submit their years of water quality data in a format compatible with the California Environmental Data Exchange Network (CEDEN)?

Mon, Sep 9 2019 - Fri, Jan 31 2020

Take the RMP Data Exploration Challenge!

Help us learn about the Bay! Millions of measurements of water quality have been made in the Bay. These data reside in a publicly accessible database (cd3.sfei.org). We have learned a lot from these data but not all of the data have been analyzed. 

Mon, Jan 28 2019

New Delta, Post-Fire and Bacteria Datasets available on SFEI’s CD3 tool

Data is made publicly available through SFEI's Contaminant, Data, Display and Download Tool (CD3). To download data go here.

Mon, Mar 20 2017

Find more data in CD3!

The Contaminant Data Display and Download Tool is a public tool for accessing and visualizing contaminant data. All data are comparable to CEDEN, the California Environmental Data Exchange Network.

We are happy to announce the release of some new enhancements to CD3 including:  

Tue, Sep 6 2016

Data Flow & Access

Data uploaded to SFEI’s Regional Data Center (RDC) are available through various data visualization and access tools developed by SFEI and other partners.

Tue, Sep 6 2016

CEDEN Update

The California Environmental Data Exchange Network (CEDEN) has implemented several new developments and decisions over the last six months that have the potential to impact SFEI's Regional Data Center (RDC) data providers.

Thu, Sep 1 2016

RDC Dataset Update

SFEI's Data Services team adds new datasets monthly to the San Francisco Bay-Delta Regional Data Center (RDC) database, increasing public access to environmental data collected within the San Francisco Bay and Delta.

Wed, Aug 26 2015

2014 RMP Sediment and Bivalve Data Now Available on CD3!

In 2014, the Regional Monitoring Program for Water Quality in San Francisco Bay (RMP) collected sediment and bivalve samples from San Francisco Bay as part of its long-term monitoring program.

Mon, Jun 1 - Mon, Jun 22 2015

SF Bay Nutrients Visualization Tool

This visualization tool facilitates intuitive comparison of continuous data from around the Bay, and across a variety of analytes, to demonstrate the potential for collaborative monitoring across programs.