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I `- s the position of the • asi ;h :-3t : _ 7 -_ <br /> :3acretar_1' s analysis of the one-in-one-.7undr-?, -` 2_ar <br /> flow should reoresent a realistic one-in-one-hundred-veer <br /> probability of such flow occurring in any reach of the river <br /> at a given- time, and .should not arbitrarily assume that one- <br /> in-one-hundred-year inflows from all tributaries occur <br /> simultaneously. It is the nature of weather events along the <br /> lower Colorado River, a desert region, that most rain storms <br /> occur as small , localized but intense thunder showers that <br /> would produce floods from only a few tributaries at a time , <br /> and the Secretary' s study should reflect this. To ensure <br /> that this technical matter is made clear , we recommend that <br /> Section 5 (b) (1) (ii) be amended to read as follows: <br /> " (ii) define the specific boundaries of the • <br /> Colorado River Floodway so that the Floodway can <br /> accommodate either a one-in-one-hundred-year river <br /> flow consisting of controlled releases and <br /> tributary inflow, or a flow of forty thousand cubic <br /> feet per second (cfs) , whichever is greater , from <br /> below Davis Dam to the Southerly International <br /> Boundary between the United States of America and <br /> the Republic of Mexico." <br /> Sec. 6. This section provides the restriction on future <br /> federal expenditures within the floodway necessary to <br /> _accomplish the purpose of the bill as set forth in Sec. 2 (b) . <br /> Any individual who wishes to risk his personal funds by <br /> constructing a development within the floodway would not be <br /> prohibited from doing so by this bill. However , the bill <br /> prohibits any such potential developer from participating in <br /> foderal programs that ^av aid his development and puts him on <br /> -15- <br />