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City of Lansing

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-Mayor Virg Bernero

Mayor Virg Bernero
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Basement Flooding Causes & Effects

When a basement floods, it is a source of stress and frustration for everyone involved. The City of Lansing wants to be a resource of information regarding the potential causes of flooding, the effects on your home and how to recover from this sometimes devastating scenario.

Already Flooded

Immediately call the City of Lansing Operations and Maintenance Division's 24 hour help line at (517) 483-4161.

A City sewer inspector will help you diagnose the cause of the flooding. If the problem is found in the public sewer, the Operations and Maintenance Division will perform any necessary repairs to the sewers as soon as possible.

If the problem is found within the private sanitary sewer line between your home and the public sewer you may choose to contract with a private company to assist with clean up, service lead cleaning or repair.


The first step is to try and avoid the situation altogether. When you understand what causes a flooded basement, it’s much easier to prevent it from occurring. The three most prevalent reasons for flooding are:

  • Groundwater seepage through the basement walls
  • Surface runoff
  • Sanitary sewer backup

Download the Basement Flooding Cause & Effects PDF for more information about steps to take when your basement is flooded, the causes of basement flooding, and prevention methods.

Chad Gamble
Public Service
7th Floor City Hall
124 W Michigan Ave.
Lansing, MI 48933
Ph: 517-483-4455
Fax: 517-483-6082

Monday through Friday
8:00 a.m. to 5:00 p.m.

Monday through Thursday
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