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Tulsa's government responded to the 1970 flood by joining the "emergency program" of the National Flood Insurance Program (NFIP) and promising to adopt federal floodplain regulations. In August 1971, NFIP issued its block rate maps. A month later, on Labor Day, Flat Rock, Bird and Haikey creeks flooded, affecting many suburban communities.
Flooding at the confluence of the Arkansas, Neosho, and Verdigris rivers in Muskogee, Oklahoma. The National Centers for Environmental Information (NCEI) estimated that flooding in the Arkansas River basin caused $3 billion in damage, with a 95% confidence interval between $1.8–$5.3 billion.
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 years. [2] Such maps are used in town planning, in the insurance industry, and by individuals who want to avoid moving into a home at risk of flooding or to know how to protect their property. FIRMs are ...
In Oklahoma, Indigenous communities are the most likely to be at risk of flooding, with one recent study showing the danger increases by more than five times when compared to surrounding areas ...
Tenkiller Ferry Lake, or more simply, Lake Tenkiller, is a reservoir in eastern Oklahoma formed by the damming of the Illinois River.The earth-fill dam was constructed between 1947 and 1952 by the United States Army Corps of Engineers for purposes of flood control, hydroelectric power generation, water supply and recreation.
However, flood control did not seem to be considered a serious problem until Tulsa's population growth spilled out into the Bird Creek watershed east and north of downtown Tulsa. The city issued its first land-use plan after a serious flood along the Arkansas River in 1923, but this plan was aimed more at preventing flooding along the Arkansas ...
The primary purpose of the lake is flood control. It has become a popular recreation area. [1] According to the U. S. Army Corps of Engineers, the Hulah Lake project includes a public hunting area, bringing the total project area to 21,510 acres (8,700 ha). The dam is gravity type with an earthen core on a rock foundation.
Fort Cobb Reservoir has a total capacity of 143,740 acre-feet (177,300,000 m 3) and covers an area of 5,956 acres (24.10 km 2) at top of flood pool level. The uncontrolled morning-glory spillway in the left abutment consists of a concrete intake structure, concrete conduit, and concrete chute and stilling basin.