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Des Moines Creek estuary design advances; council committee shown renderings, timeline and funding needs
Summary
Consultants presented renderings and a phased design timeline for the Des Moines Creek estuary. Committee heard the meadow would shrink by about 31,000 square feet (roughly 16%), designers propose raising the meadow to about 14 feet to reduce routine tidal flooding, and construction timing will depend on permit approvals and grant funding.
The Des Moines City Council Environment Committee on Feb. 13 was shown new renderings and a refined schedule for the Des Moines Creek estuary restoration and public-space redesign, and staff said the project is funded only through 30% design and will need additional grants and permits before construction can proceed.
Tyler Weakley, surface water manager for Des Moines City, opened the briefing and introduced consultants from Parametrics, who showed plan views, low- and high-tide renderings and a planned fly-through video. Paul Fint, Parametrics project manager, and Nikki Redden, Parametrics surface water engineer, described the preferred alternative, how the different work areas fit together and design constraints such as utilities and access behind the seawall.
The consultants said the preferred design reduces the meadow area: the finished estuary footprint would reduce the meadow to about 31,000 square feet, with a possible reconnection of roughly 5,000…
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