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<br />.. <br /> <br />. <br /> <br />no reason why we should not expect future floods as <br />great.185 <br /> <br />In addition he stated that the problems of planned channelization of <br />Boulder Creek were "too important to be passed over without careful <br />investigation. "186 <br /> <br />The recollections of citizens interviewed by various individuals and <br />groups since Henderson's report also contain, almost without fail, <br />details of the 1894 flood. That event was the one they remembered or <br />had heard about from others. Generally, their opinions coincide with <br />those of the experts--the flood of record for Boulder occurred in 1894. <br /> <br />SOUTH BOULDER CREEK BASIN <br /> <br />South Boulder Creek, a tributary <br />Creek at Valmont east of Boulder} <br />portion of the County. Eldorado <br />upstream portion of the basin. <br />nUr.1erous new developments, lie <br />recently with the growth of those <br />sparse in this area. 187 <br /> <br />to Boulder Creek (it joins Boulder <br />drains a large basin in the southern <br />Springs is the largest town in the <br />Marshall and Valmont, as Vlell as <br />in the downstream area. Until very <br />new subdivisions, population has been <br /> <br />. <br /> <br />Flood dates for South Boulder Creek including those mentioned in <br />previously published reports are: <br /> <br />1864 1923 <br />1894 - May 31 - June 2 1938 - September 2 <br />1895 - June 3 1947 - June 21 <br />1900 - May 9 1949 - June 6 <br />1909 - June 20 1951 - June 18 <br />1914 - May 24 1952 - June 4 <br />1919 1957 - May 9, 10 <br />1921 - June 6 1969 - May 7 <br />Eldorado Springs <br /> <br />A gauging station has been maintained near Eldorado Springs since <br />1888, but it has experienced lapses in operation.188 It was not, for <br />example, in operation in 1894.189 Agencies such as the United States <br />Geological Survey have suspected that a flood occurred then on South <br />Boulder Creek, 190 Information uncovered in this report substantiates <br />that supposition, yet the magnitude of the 1894 flood remains uncertain <br />due to a lack of observations of the flood and the absence of gauge <br />data.191 <br /> <br />. <br /> <br />The largest gauge-recorded flood on South Boulder Creek took place on <br />September 2, 1938.192 The total rainfall for that storm (September 2 - <br />3) was officially noted as 4.42 inches.193 The flow or discharge was <br />calculated to be 8,540 cfs.194 Accordin<] to an unpublished document <br />by the Eldorado Springs Historical Society, the rainfall was <br />