Sacramento-San Joaquin Delta Archives - Local News Matters

A humpback whale's tail emerges from the ocean, creating a splash as it moves through the water.

Science, Nature & Technology

Marine Mammal Center tracks humpback whale sightings in Delta

by Kathleen Kirkwood, Bay City News September 18, 2026September 18, 2026

The Marine Mammal Center has been tracking reports of a humpback whale that entered San Francisco Bay this week and continued traveling east into the Sacramento-San Joaquin Delta near Rio Vista. First reported in the bay on Tuesday, the adult whale has been spotted near the Richmond ship channel, traveling north past the Richmond-San Rafael […]

New rules for pumping water from Delta include restoration incentive

by Ruth Dusseault, Bay City News September 3, 2026September 3, 2026

From water to wine, invasive species costing California millions in crops, infrastructure

by Tanay Gokhale, Bay City News August 21, 2026August 21, 2026

Climate experts predict high flood risk in Bay Area for super El Niño

by Alise Maripuu, Bay City News August 6, 2026August 6, 2026

Local News

Real McCoy II ferry sidelined again, leaving Ryer Island drivers with lengthy detour

Federal agencies green-light Newsom-backed Delta tunnel, but just construction

by Ruth Dusseault, Bay City News June 7, 2026June 7, 2026

Local News

Always wanted your own private island in the Delta? $39,000 listing could make it happen

THEN & NOW: May 5th news from 5, 10, and 20 years ago

by Bay City News May 5, 2026May 5, 2026

Local News

Will California ever build the Delta tunnel? Major battles loom as Newsom era nears end

San Joaquin County proclaims local emergency about invasive golden mussels in Delta

by Dan McMenamin, Bay City News April 30, 2026April 30, 2026

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