2013 Flood

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Longmont Works Flood Recovery

From September 11-15, 2013, Longmont experienced the most devastating flash flood event in its history. Catastrophic flooding, especially along the St. Vrain Creek, displaced hundreds of residents, and destroyed personal property, businesses and public spaces. The flooding caused extensive damage to much of our city's infrastructure and along the St. Vrain Greenway trail system.

The sign shown on this page was posted throughout Longmont to keep our community informed about recovery projects and progress on them. (Click on the sign image to open a PDF file for viewing or download.) Repairs to most areas damaged by the flooding were completed by the third anniversary of the flooding, in 2016. This included repair and rebuilding of damaged streets, parks, water resources, irrigation ditches, drainage systems, power lines and public buildings.

Since 2016, these additional projects have been completed or are underway:

Main Street Bridge and South Pratt Parkway Bridge were both replaced with longer, wider bridges that will safely convey up to 100-year flood levels.
The damaged spillway and bridge at Golden Ponds Nature Area has been repaired and has reopened to users .
The St. Vrain Greenway is being restored through work on Resilient St. Vrain, Longmont's extensive, multi-year project to fully restore the flood-damaged trails and improve the area surrounding the creek to protect people and property from future flooding. View a map of trails at LongmontColorado.gov/trail-status.

For details about specific recovery projects, contact Public Works & Natural Resources

For information about boundaries of the 2013 flood (or other flood events), contact Longmont's Floodplain Administrator

Aprenda sobre el Proyecto Resiliencia St. Vrain. Para información en Español llame al 303-651-8416

Memories of the Flood: 5 Years Later

As the fifth anniversary of the 2013 flood approached, we gave a great deal of thought to how to observe the anniversary in a way that respects the events that occurred, connects with a large part of our community, and adds to the historical record of that fateful time.

The result was this fifth anniversary video series called “Memories of the Flood: 5 Years Later.”
These 14 video clips highlight what happened, the journey of recovery and our growth as a more resilient community.

Click on the image below to start the playlist, which is slightly over 17 minutes long. The videos will play one after the other until reaching the end. Or, you can select individual videos by clicking the icon in the top left corner of the video screen.