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Answers to Frequently Asked Questions about the Colorado 2013 Flood Event <br />jurisdiction for all publicly owned or publicly maintained facilities, and shall be conducted <br />by the property owner or facility owner for all privately owned and maintained facilities. <br />F. Any stream alteration activity proposed by a project proponent must be evaluated for its <br />impact on the regulatory floodplain and be in compliance with all applicable federal, state <br />and local floodplain rules, regulations and ordinances. <br />G. Any stream alteration activity shall be designed and sealed by a Colorado Registered <br />Professional Engineer or Certified Professional Hydrologist. <br />H. All activities within the regulatory floodplain performed by federal agencies using local or <br />state funds, or by private, local or state entities shall meet all applicable federal, state and <br />local floodplain requirements. <br />I. Stream alteration activities shall not be constructed unless the project proponent <br />demonstrates through a floodway analysis and report, sealed by a Colorado Registered <br />Professional Engineer, that there are no adverse floodway impacts resulting from the <br />project. This requirement only applies on stream reaches with Base Flood Elevations <br />established. <br />J. No adverse floodway impact means that there is a 0.00 -foot rise in the proposed conditions <br />compared to existing conditions floodway. <br />K. Whenever a Stream Alteration activity is known or suspected to increase or decrease the <br />established Base Flood Elevation in excess of 0.3 vertical feet (or a more stringent standard <br />adopted by the local government authority), a Letter of Map Revision showing such changes <br />shall be obtained in order to accurately reflect the proposed changes on FEMA's regulatory <br />floodplain map for the stream reach. The local community is responsible for ensuring that <br />this process is pursued. This section herein does not require a Conditional Letter of Map <br />Revision to be applied for, unless mandated by the local government having land use <br />authority. <br />