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I I I I I I I I I I I I I I I I I I I 5.0 001971 Scoping Document I Williams Fork Hydroelectric Project FERC Project No. 2204 decommissioning is not a reasonable alternative to issuing a new license for the project with appropriate mitigation and enhancement measures. SCOPE OF CUMULATIVE ANALYSIS AND ENVIRONMENTAL ISSUES 5.1 Cumulative Effects According to the Council on Environmental Quality's regulations for implementing NEPA (50 CFR ~ 1508.7), an action may cause cumulative impacts on the environment if its impacts overlap in space and/or time with impacts of other past, present. and reasonably foreseeable future actions, regardless of what agency or person undertakes such actions. Cumulative effects can result from individually minor but collectively significant actions taking place over a period of time, including hydropower and other land and water development activities. The geographic scope for cumulatively affected resources is defined by the physical limits or boundaries of the proposed project's effects and the contributing effects from other hydropower and non-hydropower activities in the watershed. 5.1.1 Resources That Could Be Cumulatively Affected At this time, no resources have been identified that would be cumulatively affected by the Project. If cumulative effects to resources are identified during scoping, those affects will be addressed during the ALP. 5.1.2 Geographic Scope The geographic scope of analysis for cumulatively affected resources is defined by the physical limits or boundaries of the FERC Project area and the contributing effects from other hydropower and non-hydropower activities within the Colorado River Basin. 5.1.3 Temporal Scope The temporal scope of Denver Water's cumulative analysis is the past, present, and future actions and the effects on each resource that could be cumulatively affected. For purposes of Denver Water's analysis, the temporal scope will look 30 years into the future, concentrating on the effect on the resources from reasonably foreseeable future actions. The historical discussion will, by necessity, be limited to the amount of available information for each resource. Denver Water will document the present resource conditions in the PDEA. 5.2 General Resource Issues The following is a list of resource issues and studies that Denver Water has identified for analysis in the PDEA. This list is not intended to be exhaustive or final but is an initial listing of issues that have been identified and could be potentially significant. In some 16