Agenda Date: 04/01/2025
Subject:
Title
Resolution 16-2025: Approving an Intergovernmental Agreement with Mile High Flood District for design and construction of drainage and flood control improvements for Little's Creek from Caley Avenue to Gallup Street
Body
From:
James L. Becklenberg, City Manager
Prepared by:
Brent Soderlin, Director of Public Works & Utilities
Sarah White, Water Resources Manager
Presentations:
N/A
PURPOSE:
Approval of an IGA with Mile High Flood District (MHFD) for design and construction of drainage and flood control improvements for Little's Creek from Caley Avenue to Gallup Street.
LONG-TERM OUTCOME(S) SERVED:
Safe Community; High-Quality Governance; Sustainable Community with Natural Beauty
DISCUSSION:
Little's Creek drainageway extends from East Dry Creek Road in Centennial to its outfall at the South Platte River. This regional drainageway is regulated by the Federal Emergency Management Agency (FEMA). Much of the residential development along Little's Creek pre-dated the determination of the creek's floodplain limits and the understanding of impacts of drainage basin development that exists today. Little's Creek was left as a small "ditch" along Sterne Parkway as the surrounding neighborhoods were built, with small culverts at the various roadway crossings of the creek. As a result, there had been frequent flooding of the channel and at roadways, as the drainage basin developed. As this problem was identified, the city partnered with MHFD on projects to retrofit the channel and culverts, as budget allows, to lessen the extent and frequency of flooding on roads and adjacent properties as much as possible. As a result, future more frequent flood events will be better controlled. However, larger storm events may still flood roads and some properties.
The proposed improvements for the Little's Creek reach between S Gallup Street and W Caley Avenue will provide bank stabilization throughout the channel reach, improved chann...
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