The Federal Emergency Management Agency releases redrawn flood plain maps for Nassau County, adding about 30,000 homes, including more than 3,000 in the Valley Stream area, to the high-risk flood ...

These maps use a National Water Model, which includes current and forecasted rainfall amounts as well as stream levels to show flood inundation areas around a creek, stream or river. At the ...

Though now reduced to a stream of re-routed water from the Han river, the Cheonggyecheon (Cheong Gye ... that the stream also serves the purpose of flood control. The project carried out by ...

Seoul: South Korea has showcased how the Cheonggyecheon stream ... "After rejuvenation, the stream provides flood protection for up to 200 years and supports rainfall of 118 mm per hour.