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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />CENTRAL CITY MASTER DRAINAGE STUDY <br /> <br />7 <br /> <br />1986, Central City requested the Colorado Water Conservation <br />Board study major flooding resulting in a report which is used as <br />background information in this study (see Appendix A). In 1986, <br />Central City also retained the author of this report to provide <br />engineering assistance on water and drainage matters. <br /> <br />Construction <br />culminate an <br />al).d debris <br />decades. <br /> <br />of the improvements recommended in this report will <br />effort by Central City to remedy drainage, sediment <br />problems, an effort that has extended over several <br /> <br />Table 2.1. <br /> <br />Partial List of Flood Events (after CWCB, 1987). <br /> <br />Date of Flood Cause <br /> <br />Remarks <br /> <br />July 1863 rainstorm <br /> <br />Extensive damage to property <br /> <br />May 1864 <br /> <br />unknown <br /> <br />Caused $5000 of damage to road in <br />town <br /> <br />August 1881 <br /> <br />rainstorm <br /> <br />Caused over $100,000 of damage to <br />Central city alone. Several lives <br />we're lost. <br /> <br />July: 1885 <br /> <br />rainstorm <br /> <br />Three lives were lost (not known if <br />lives were lost in Central City or <br />Black Hawk). <br /> <br />July 1975 <br /> <br />rainstorm <br /> <br />Culvert plugged, water ran down <br />streets. <br /> <br />.' <br /> <br />~ <br /> <br />~ <br /> <br />HydroDynamics Incorporated <br />