Larimer County have adopted the Larimer County Stormwater Design Standards, effective September 1, 2023 . These standards apply to the design and construction of stormwater facilities within unincorporated Larimer County.

The Board of County Commissioners adopted the new Standards on August 14, 2023.

Larimer County Stormwater Design Standards (2023)

Mile High Flood District (MHFD) Manual

Larimer County Stormwater Design Standards By Section

Appendices

*CSM = Construction Stormwater Management

Previous Versions

Resolution

Engineering Department - Stormwater

Attn Stormwater
200 West Oak Street, Suite 3000
P.O. Box 1190
Fort Collins, CO 80522-1190

(970) 498-5703
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