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Commissioner flags drainage and floodplain details near proposed EMS site
Summary
During the Sept. 3 site visit, the commissioner and consultants discussed counterintuitive drainage patterns, FEMA flood lines, and the nearby water treatment plant's elevation—issues that will affect fill needs and final grading.
Consultants and the commissioner said drainage at the proposed EMS station does not flow toward the nearby river as might be expected, and that nearby development will redirect improved drainage toward a creek. The commissioner summarized consultant feedback: "Tim said, you know, it's it's counterintuitive. You would think the site would drain toward the river, and it doesn't." The comment prompted attention to grading and detention choices for the site.
The group also examined FEMA flood-line markings on the plan and observed the city water treatment facility sits inside the floodplain while the EMS parcel itself is outside. "This right here is the actual flood plain," the commissioner said, and later noted the water treatment facility was raised about a foot above the 100-year elevation. Civil engineering input on spring water levels indicates fill will likely be required for the new building footprint.
