The county is undertaking a major redesign of Old Ellicott City to reduce future flooding and to improve usability. I attended a design meeting in which they offered preliminary plans based on public input. The proposals were beautiful and would enhance Old Ellicott City as a regional destination. The designs are still evolving but here is a link for more information.
Ellicott City Watershed Master Plan: https://www.howardcountymd.gov/Departments/Planning-and-Zoning/Community-Planning/Community-Plans/EC-Master-Plan