Official Communication from the Town of Lyons

Stream Flow Conditions

As of around 2:15 p.m. today, the St. Vrain Creek in Lyons is flowing at 998 cfs. With the increased moisture followed by escalated temperatures forecast, the flows through Town are expected to increase.

The streams are engineered for the capacity of 1,400 cfs. Nuisance flooding may begin around the 1,250 cfs level, which can consist of bank overflow and puddling in low areas. Currently, the Lyons Fire Protection District, Boulder County Sheriff’s Office, and the Town of Lyons are communicating and monitoring any significant changes. 

Stay Informed with Updated St. Vrain Creek Flows >>

Tubing Ban

In the interest of public safety, the Boulder County Sheriff's Office and the Lyons Fire Protection District has enacted a tubing ban, beginning June 21. The ban pertains to all single-chamber flotation devices on the St. Vrain Creeks. The ban will be in effect until further notice. 

Current St. Vrain Water Flows

Water Safety

The recent weather combined with seasonal run-off provides a good opportunity to remind residents about the dangers of flooding and the importance of being prepared. Water levels and flow rates in creeks and ditches can fluctuate from day to day. Residents are asked to be aware of conditions and be especially cautious with children and pets near these waterways. High, fast-flowing water can lead to dangerous situations in a matter of moments. 

Please be prepared that water may rise. To view updated flows of the St. Vrain Creek in Lyons, click here.  

Residents are also advised to keep an eye on conditions and weather warnings from the National Weather Service.  


Please report any flooding or hazardous situations that are a threat to humans, animals, homes, businesses, roads or utilities to 911. For non-emergency situations, please contact Boulder County Dispatch: 303-441-4444.

Stay informed on conditions County-wide, through Boulder County Sheriff's Office Twitter, and Boulder Office of Emergency Management.

Town of Lyons

Please do not reply to this email, as we are unable to respond to inquiries sent to this address. Please direct questions to Arielle Hodgson.

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