Flood Hazard Mapping









Areas changed by new mapping may remain in the flood zone of another creek.






Areas changed by new mapping may remain in the flood zone of another creek.















Change Flood Layer Transparency

Proposed Flood Hazard Mapping
Flood studies currently underway but not adopted. Subject to revision.

Revised Flood Hazard Mapping
Flood studies adopted by the city of Boulder but not adopted by FEMA.

Existing Flood Hazard Mapping
Floodplains adopted by the city of Boulder and FEMA. The city of Boulder regulates to the most restrictive between the Existing and Revised floodplains.

Visit the Flood website for additional information: BoulderFloodInfo.net

Additional Parcel, LOMC, BFE and Cross Section information can be found by clicking on these features in the map. Look for the multiple feature selection indicator at the top of the info window, use the arrow to page thru feature information.

THE CITY OF BOULDER MAKES NO WARRANTY OF MERCHANTABILITY OR WARRANTY FOR FITNESS OF USE FOR A PARTICULAR PURPOSE, EXPRESSED OR IMPLIED, WITH RESPECT TO THESE MAP PRODUCTS OR THE UNDERLYING DATA.

These map products and all underlying data were developed for use by the city of Boulder for its internal purposes only, and were not designed or intended for general use by members of the public. The city makes no representation or warranty as to its accuracy, timeliness, or completeness, and in particular, its accuracy in labeling or displaying dimensions, contours, property boundaries, or placement or location of any map features thereon. Any users of these map products, map applications, or data, accepts same AS IS, WITH ALL FAULTS, and assumes all responsibility for the use thereof, and further covenants and agrees to hold the city harmless from and against all damage, loss, or liability arising from any use of this map product, in consideration of the city's having made this information available.

Independent verification of all data contained herein should be obtained by any user of these map products, or the underlying data. The city disclaims, and shall not be held liable for, any and all damage, loss, or liability, whether direct, indirect, or consequential, which arises or may arise from these map products or the use thereof by any person or entity.