Drainage Criteria Manual

Drainage Criteria Manual

Guidance and Calculations

We have provided an Informational Memorandum and an Urban Drainage and Flood Control District (UDFCD), Excel Spreadsheet specifically modified for Woodland Park using the Modified Federal Aviation Administration (FAA) method to estimate detention volumes. We have also calculated an intensity-duration-frequency (IDF) equation specific for Woodland Park and provided our local NOAA Atlas 14 rainfall information in the Modified UD-Detention Spreadsheet v2.35. The City provides these resources solely as tools and aids for Design Professionals and assumes no liability for their use.