Dearborn City Council unanimously approved an $8.17 million flood-control grant agreement on Sept. 22, subject to legal review, according to meeting minutes.
The project includes new storm sewers and gates to help limit sewer backups. Its total estimated cost is $9.08 million, including a $908,232.50 city contribution.
Separately, an Oct. 6 council agenda lists a proposed $8.98 million contract with LGC Global Inc. to rehabilitate the Colson-Palmer storm sewer. City staff estimate that work would reduce flood risk for about 5,400 residential parcels. The agenda does not establish that the contract was approved.
Colson-Palmer rehabilitation is part of the city’s HUD disaster-recovery program. An April 2025 draft amendment identifies a $27 million allocation following the 2021 flooding, with funding allocated in 2022 and 2023. That program is separate from the FEMA-backed flood-control project.
The June 25–26, 2021 storm brought roughly 6.8 inches of rain to parts of Dearborn, mostly within seven hours, according to the city’s January 2026 sewer system study, causing widespread flooding and basement backups.
Residents can also take steps to reduce flood damage. The city’s flood preparedness guide recommends clearing gutters and drains, preparing an emergency kit and having qualified professionals evaluate whether a sump pump or sewer backflow valve would help protect their home.
