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The Larimer County Engineering Department is updating the county’s Stormwater Design Standards. The current standards were adopted in 2005 and have not been updated since that time. The standards will be updated to meet industry standards in accordance with the current volumes of the Mile High Flood District Manual.

The standards address the design of stormwater facilities including culverts, storm sewers, open channels, bridges, and detention ponds, and provide information regarding the design submittals required for permitting and construction.

A public meeting has been scheduled to provide a brief overview of the updated standards and allows time for questions. The meeting may be attended virtually via Zoom or in person at the Larimer County Administrative Services Building, 200 W. Oak St., Fort Collins.

To participate in the virtual meeting, use this link:

To participate in the in-person meeting*:

Time:               11:30 a.m. – 12:30 p.m.

Date:               May 18, 2023

Place:             200 W. Oak St., Fort Collins, Lake Estes Conference Room, 2nd Floor

*Please contact Devin Traff at (970) 498-5731 if you plan to attend in person, as seats are limited.

Public comments should be submitted via email to Devin Traff ( prior to the meeting. If you are unable to attend the meeting or would like more information, please contact Devin Traff at (970) 498-5731.

Accommodations are available upon request to persons with disabilities and non-English speaking persons who require alternately formatted materials or auxiliary aids or services, to ensure effective communication and access to public meetings provided by Larimer County.  All requests should be sent to Devin Traff.  Please allow at least 10 business days to arrange for accommodations.

2023 Stormwated Design Standards (DRAFT)


Contact Us

Devin Traff, Project Manager

(970) 498-5731

Email Devin Traff

Published on: 
Friday, April 21, 2023 - 2:34pm
Contact Details:

Devin Traff, Project Manager

(970) 498-5731


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Larimer County, Colorado

200 W. Oak Street
Fort Collins, CO 80521
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