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I I MR. STAPLETON: NR. SLIZESKI: MR. STAPLETON: MR. SLIZESKI: MR. STAPLETON: MR. SLIZESKI: .j." I~ "Did the Cherry Creek Dam have any effect in curtailing the damage in the Denver area?" "Actually there was very little runoff into Cherry Creek' Dam. There was close to two inches of water up at Fr ank town , two inches of rainfall rather, up at Franktown but very little of it came into the reservoir. So Cherry Creek water- shed itself was not part of the flood problem. We had some preliminary reports that Sand and Tollgate Creeks were running high so we sent a man out there to get the picture on this and try to establish some high water marks to firm up our flood informatior studies on it. We also sent him around to some of the gulches like Lakewood Gulch which we heard was running high but except for Tollgate Creek which was running about up to the low steel on the bridges there was no indication of high water or overbank flooding that we could find. Primarily that flood (in Denver) was inter- nal drainage again aggravated by the heavy hail that blocked flows in the storm sewer systems." "Is there any possibility of cooperation? For example, that Harvard Gulch in southeastern Denver, or is that all created by street paving and other factors?" "In the last five or six years every incident that has occurred like this from heavy storm rainfall in Denver where it tried to run down, whether or not it was overflow from the streams in the gulches or whether it was internal drain- age, in almost every incidence it was primarily internal drainage that caused all the flooding." "This means then inadequate storm sewers on the part of the metropolitan area as it drains into. . ." "vIell, partially that and partially the changing pattern of runoff due to improvements say like the Valley Highway, etc., which does change the runoff regimen to some extent."