Proposed Map Revisions

Proposed Letter of Map Revision (LOMR)

Notice of Letter of Map Revision

The City of Urbandale Engineering and Public Works Department, 3600 86th Street, Urbandale, Iowa, in accordance with National Flood Insurance Program regulation 65.7(b)(1), hereby gives notice of the City of Urbandale’s intent to revise the flood hazard information, generally located between 156th Street to just northeast of Walnut Meadows Court. Specifically, the flood hazard information will be revised along Walnut Creek from a point approximately 550 feet downstream of 156th Street to a point approximately 2000 feet upstream of Waterford Road. 

As a result of the revision, the floodway will widen and narrow, the 1-percent annual-chance water-surface elevations shall decrease, and the 1-percent annual-chance floodplain will widen and narrow within the area of the revision.

Maps and detailed analysis of the revision can be reviewed by contacting the City of Urbandale Engineering Department at, by calling 515-278-3950, or by visiting the City of Urbandale website at