Datasets > Michigan--Ann Arbor > 2025-present

Floodway

Ann Arbor Data Catalog · 2025 Full Details

Full Details

Title
Floodway
Description
"Regulatory Floodway" means the channel of a river or other watercourse and the adjacent land areas that must be reserved in order to discharge the base flood without cumulatively increasing the water surface elevation more than a designated height. Communities must regulate development in these floodways to ensure that there are no increases in upstream flood elevations. For streams and other watercourses where FEMA has provided Base Flood Elevations (BFEs), but no floodway has been designated, the community must review floodplain development on a case-by-case basis to ensure that increases in water surface elevations do not occur, or identify the need to adopt a floodway if adequate information is available. Created by Systems Planning based off of FEMA floodplain info. In the process of being updated based on newest FEMA data.
Creator
City of Ann Arbor
Publisher
Ann Arbor Data Catalog
Subject
Environment
Temporal Coverage
Last Modified: 2025-09-02
Date Issued
2025-07-25
Rights
License not specified
Access Rights
Public
Language
English
Date Added
May 29, 2026
Provenance Statement
The metadata for this resource was last retrieved from Ann Arbor Data Catalog on 2026-05-29.

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Cite and Reference

  • Citation
    City of Ann Arbor (2025). Floodway. Ann Arbor Data Catalog. https://ckan.a2gov.org/dataset/floodway (dataset)
  • BTAA Geoportal Link

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