RSS feed source: US National Weather Service
OAKLAND, Calif. – The Federal Emergency Management Agency (FEMA) has delivered preliminary flood maps for Butte County and the City of Chico, California. The maps identify revised flood hazards along multiple flooding sources in the areas. The new maps will help building officials, contractors, and homeowners make effective mitigation decisions, thereby contributing to safer and more disaster resilient communities.
Before the new Flood Insurance Rate Maps (FIRMs) become effective, there is a 90-day appeal period from December 3, 2025, to March 3, 2026. During that time, residents or businesses with supporting technical and scientific information, such as detailed hydraulic or hydrologic data, can appeal the flood risk information on the preliminary maps, which can be viewed at fema.gov/preliminaryfloodhazarddata.
Flood hazards are dynamic and change frequently for many reasons, including weather patterns, erosion and community development. Officials from FEMA and Butte County worked together to provide updated information that accurately reflects the flood risk. These changes may also affect future building standards or insurance requirements.
The local mapping project is part of a national effort led by FEMA to increase local knowledge of flood risks and support actions to address and reduce the effects of flooding on new and improved structures. FEMA encourages residents to review the preliminary flood maps to learn about local flood risks, potential future flood insurance requirements and identify any concerns or questions about the information provided.
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