Flood Information


The City of Longmont experienced major flooding in certain areas of the city Sept. 11-15, 2013. This event resulted in damages that will take time and effort to repair and have lasting effects on our community. As we all work together to rebuild, it is our goal to keep the community informed and involved.

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Follow Our Journey

See the general progress toward full flood recovery and future flood protection through the graphic below. There are two summits, Protection Peak and Recovery Peak, because we have two different mountains to climb. Our hikers represent total dollars the City has spent so far towards each objective. Watch them move up the mountains as we complete more projects!Journey to Completion - Flood

Protection Peak

After the flood, the City identified key projects that should be completed to mitigate future flood damage, preventing such a catastrophe from occurring again. Those projects combine to make up what we now refer to as Resilient St. Vrain. It is estimated that $105 million will be needed to complete this large scale, long term effort. In June 2014, Longmont voters approved a $20 million stormwater bond to help fund the project, but including existing City funds, FEMA funds, and other committed funds the City still has a budget shortfall of approximately $30 million. The City is in the process of searching and applying for other funding sources to meet that unmet need.

Recovery Peak

September 2013's flood damaged or destroyed much of Longmont's infrastructure. Repairs to streets, parks, trails, drainage, water resources, power lines and public buildings will cost the City of Longmont an estimated $55 million. These recovery projects will be paid for with a combination of local, state and federal dollars. Visit the Recovery Updates page to find a list of flood-related projects and their current status.

Journey in Detail

Note: The total cost to achieve full recovery and future protection is estimated to be $160 million dollars. This number is based on current evaluations, so it may adjust as more information is gathered.


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