Some Boulder County services returned in-person on a limited basis beginning June 1. Most services are still being offered virtually.

Resources are available for those impacted by COVID-19. For help, submit questions or call 720-776-0822 weekdays (9 a.m.-5 p.m.).

Fire Restrictions were updated on June 2 and remain in effect for western Boulder County. View the flyer and map for more details.

Storm Drainage Criteria Manual

Storm Drainage Criteria Manual

Provides criteria and design standards for the many different conditions within the Urban Drainage and Flood Control District.

NOTICE: The Storm Drainage Criteria Manual Has Been Updated

In October 2016, the Boulder County Board of County Commissioners approved an update to the Storm Drainage Criteria Manual. The new version is available below. Please update any printed copies that you may have.

The Storm Drainage Criteria Manual:

Contact Us

Transportation Department

303-441-3900
Submit a question

Location

2525 13th Street
Boulder, CO 80304

Map & Directions

Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306