Inundation Map
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Rainfall in the last
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e.g. 9900 Northwest Fwy., Houston 77092

Rainfall Alarms

Harris County Flood Control District
An interactive map of the Harris County Flood Control District
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    The Harris County Flood Control District makes no representations regarding the suitability, accuracy or timeliness of the information contained on this or any other District website. All such information, including text, data, graphics, sounds images or files, is provided "AS IS" without warranty of any kind and is subject to change without notice. The entire risk arising out of their use remains with the recipient.
    Welcome to the Harris County Flood Warning System
    Select watersheds to view the watershed layer and see which one is nearest you.
    Select Inundation Map to view current flooded roads, parks, and low-lying areas.
    Channel Status
    Select Channel Status to display current bayou flooding levels.
    Channel Status not Defined
    No Flooding
    Flooding Possible
    Flooding Likely
    Rainfall Data
    Rainfall data defaults to the last 24 hours. Select the drop down bar to select more time frames.
    Site Selections
    Add more gages in the region using the drop down.
    Address Search
    Use the address search to find your nearest gage.
    Site Details Page
    Hover mouse over any site and click the more information link to view water level and rainfall data. Custom and default rainfall and water level alerts are available for each site.
    Get notified when it is flooding!
    Sign up to receive rainfall and water level alerts via text message and email.