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WSPC12530 (2)
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Last modified
1/26/2010 4:18:40 PM
Creation date
10/21/2007 11:13:11 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.10
Description
Colorado River Water Projects - Glen Canyon Dam-Lake Powell - Adaptive Management
State
CO
Basin
Colorado Mainstem
Date
1/15/1998
Author
Unknown
Title
NEPA-NHPA and ESA Compliance Under the Adaptive Management Program - 01-15-98
Water Supply Pro - Doc Type
Report/Study
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<br />002475 <br /> <br />The black box justification would seem to offer support for not doing NEPA at GCD for all proposed <br />activities that are strictly directed at research. However, it is always an option to Reclamation to <br />voluntarily do NEPA to facilitate decision-making and should that happen, keep in mind that NEPA <br />compliance at OCD is greatly facilitated by the fact that we have the OCMRC, the AMWO, and the <br />TWO in place, working together under the umbrella of the AMP, and proposed actions, draft reviews, <br />public comments, and agency recommendations are all established processes. <br /> <br />ARE EXPERIMENTS UNDER THE ADAPTIVE MANAGEMENT PROGRAM SUBJECT TO <br />NEPA, ESA, AND NHPA COMPLIANCE? <br />Compliance is required for ESA and NHPA for experimental flows temporarily deviate from operations <br />as defined for the preferred alternative (MLFF). NEPA compliance for experimental flows would be <br />voluntary, if it would be helpful in making a decision about the proposed action. In some cases, certain <br />experiments were anticipated, or called for, in the EIS/ROD and therefore, some of the NEPA and ESA <br />compliance groundwork has been established, but the impacts were not specifically addressed, either <br />because the specifics of the experiment were unknown or existing environmental baseline information <br />was not available. For example, for the experimental beach-habitat building flows, the specific timing, <br />duration, and magnitude of the flows were necessarily left to experiment, as were flows for endangered <br />fish. If we had known exactly what was needed to build beaches and recover endangered fish, that would <br />have been part of the analysis of the alternatives in the EIS and part of the decision on what the preferred <br />alternative would be. NEPA, ESA and NHPA compliance would have been complete, for those <br />particular actions, subject only to verification of results through monitoring. It's important to note that it <br />may not be possible to accurately project the impacts of certain flows except through experimentation <br />and monitoring <br /> <br />WHERE ARE WE IN TERMS OF NHPA COMPLIANCE? <br />As required by the 1994 Programmatic Agreement (Chapter 5 of the EIS), a Monitoring and Remedial <br />Action Plan (MRAP) was finalized in 1994 and is being implemented. The MRAP is part of the overall <br />Historic Preservation Plan for Cultural Resources, which is in a final draft stage and expected to become <br />final within 4-6 months. Signa Larralde advises that for flows below 60,000 cfs, cultural resources are <br />not threatened, but anything proposed above 60,000 cfs would require development and implementation <br />of mitigation measures (most likely excavation). <br /> <br />WHERE ARE WE IN TERMS OF ESA COMPLIANCE? <br />We have received biological opinions for actions associated with the 1994 Operations Environmental <br />Impact Statement, the 1996 Beach-Habitat Building Test Flow Environmental Assessment, and the 1997 <br />Fall Test Flow Categorical Exclusion. We have progressed on some items, while others are proving <br />more challenging. Overall, the progress on achieving compliance with the requirements and <br />recommendations of the opinions is positive. <br /> <br />WHAT ABOUT COMPLIANCE WITH THE ESA FOR FUTURE EXPERIMENTAL FLOWS? <br />The Service must first approve of the plans for the experimental low steady flows called for in the 1994 <br />Biological Opinion to facilitate discussions about consequences and any requirements that might be <br />imposed or recommended by the Service in the future. As a term and condition in the Fall 1997 test <br />flow opinion, the Service required that before another beach/habitat building flow 45,000 cfs or greater <br />takes place, Reclamation must enter into informal consultation with the Service to evaluate the test flow <br />studies, the establishment or discovery of a second population of Kanab ambersnail in Arizona, and <br />reinitiate formal consultation with the Service if incidental take exceeds the 10 percent level established <br /> <br />2 <br />
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