The Timeline: Ellicott City historical flooding
The city plagued with floods since its founding
Ellicott City was a thriving Industrial Mill Town founded by the Ellicott Brothers in 1772. The Patapsco River Valley has been plagued by Floods since its founding. Significant Floods have occurred in 1786, 1817, 1837, 1868, 1894, 1901, 1917, 1923, 1933, 1952, 1972, 1975, 1998, 2006, 2011, and 2016.