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  2. 100-year flood - Wikipedia

    en.wikipedia.org/wiki/100-year_flood

    For river systems, a 100-year flood is generally expressed as a flowrate. Based on the expected 100-year flood flow rate, the flood water level can be mapped as an area of inundation. The resulting floodplain map is referred to as the 100-year floodplain. Estimates of the 100-year flood flowrate and other streamflow statistics for any stream in ...

  3. Flood insurance rate map - Wikipedia

    en.wikipedia.org/wiki/Flood_Insurance_Rate_Map

    FIRMs display areas that fall within the 100-year flood boundary. Areas that fall within the boundary are called special flood hazard areas (SFHAs) and they are further divided into insurance risk zones. The term 100-year flood indicates that the area has a one-percent chance of flooding in any given year, not that a flood will occur every 100 ...

  4. What's a 100-year flood? A hydrologist explains

    www.aol.com/news/whats-100-flood-hydrologist...

    A '100-year flood' doesn't mean you'll be flood-free for the next 99 years. Win McNamee/Getty ImagesA 100-year flood, like a 100-year storm, is one so severe it has only a 1% chance of hitting in ...

  5. Boneyard Creek - Wikipedia

    en.wikipedia.org/wiki/Boneyard_Creek

    Boneyard encased in sheet piling in Urbana Boneyard detention basin - Also known as Healey Street Basin Flood control park at 2nd St. and Springfield Ave. Boneyard Creek is a 3.3-mile-long (5.3 km) [2] waterway that drains much of the cities of Champaign and Urbana, Illinois, United States. [3]

  6. From the archives: Flood of 1957 devastated Belleville, led ...

    www.aol.com/news/archives-flood-1957-devastated...

    “I drove down North Illinois, and there were couches and beds floating in Richland Creek,” a Stag Brewery worker said. From the archives: Flood of 1957 devastated Belleville, led to 10 deaths ...

  7. How much damage did flooding cause in southwest IL ... - AOL

    www.aol.com/news/much-damage-did-flooding-cause...

    The streets that were closed at one point include: First, Second, Third, Cleveland, Centreville Avenue, Monroe, Washington, West Main at North Sixth, F Street, Douglas Avenue at Illinois Street ...

  8. Valmeyer, Illinois - Wikipedia

    en.wikipedia.org/wiki/Valmeyer,_Illinois

    Valmeyer is located in western Monroe County at Illinois Route 156 runs along the southern edge of the new village and passes through the center of the old village. IL 156 leads east 7 miles (11 km) to Waterloo, the county seat, and west 5 miles (8 km) to its terminus at Harrisonville, 1 mile (1.6 km) east of the Mississippi River.

  9. Disaster proclaimed in St. Clair County. Flooding in ... - AOL

    www.aol.com/news/water-rescues-power-outages...

    More than 3,000 people were without power in St. Clair County, Ameren reports. ... County as heavy rain hit southwestern Illinois. ... moved into the property three years ago, with the last flood ...