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Metro Detroit Basement Risk Index
116 communities, ranked, with BRI score, pre-1960 housing share, median home value, and scoring basis. -
Detroit Basement-Flood Equity by ZIP
28 Detroit ZIP codes: documented water-in-basement rate per 1,000 homes, with median household income and demographics. -
ACS 2020-2024 refresh: what moved
old vs new score, rank, and risk band for all 116 communities after the July 2026 rescore onto the newest Census five-year data, with a note column flagging the Northville two-... -
OC DFIRM Cross Sections
BY USING THIS WEBSITE OR THE CONTENT THEREIN, YOU AGREE TO THE TERMS OF USE. This line feature class represents the cross sections present in the Digital Flood Insurance Rate... -
OC DFIRM Base Flood Elevation
BY USING THIS WEBSITE OR THE CONTENT THEREIN, YOU AGREE TO THE TERMS OF USE. This line feature class represents the base flood elevations present in the Digital Flood Insurance... -
Watersheds
Created from USGS 7.5 minute Topographic Quadrangles. MIRIS digital base maps used as control reference. Identifies watershed boundaries and the direction of the water flow.