Our new Biological Assessment is out - Klamath Basin Crisis

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T&C 5 T&C 6 T&C 7 T&C 8 Fund instream flows studies on both the Shasta River (from Dwinell Dam to Parks Creek) and Scott Rivers to assist in the development of minimum stream flows. Provide funding to support installation of screened diversions on unscreened diversions and gaging devices on diversion in the Scott River and Shasta River to facilitate better State enforcement of appropriated water rights and reduce fish entrainment. Work with non-governmental organizations and the State of California to develop a management plan on the Scott River and Shasta River that coordinates simultaneous diversion of instream flows to minimize dramatic reductions in flow, and the stranding of fish, at the beginning of the irrigation season in March and April. Investigate the feasibility of discontinuing the inter-basin transfer of water from the Klamath River to the Rogue River Basin and reserving that water for instream flow in the Klamath River below IGD. Klamath Project Operations Biological Assessment Coho Salmon: Environmental Baseline Conservation Measure The CIP process is examining this possibility. This action is not within the Klamath Project’s authorization or jurisdiction. Reclamation is working with the Shasta RCD to assist with design of fish screens in 2006 and 2007 through the CIP.. Reclamation was working with the Shasta and Scott RCDs through the CIP.. Reclamation investigated the options, discontinuation of this water transfer is now part of FERC Settlement discussions. Number Measure Status CM 1 CM 2 Ensure the environmental documentation necessary to implement increased flow in the Trinity River consistent with the Trinity River Restoration Program and the existing court order limiting implementation of the Record of Decision is completed as quickly as possible. Assist the State of Oregon in revitalizing and completing the Alternative Dispute Resolution process established to resolve water right adjudication disputes in the Upper Klamath Basin. Reclamation’s Northern California Area Office continues to implement the ROD as quickly as possible. This is part of the FERC Settlement discussions. Historical Flows Hydrologic Conditions The Klamath River Basin experiences a variety of annual hydrologic conditions ranging from drought to flood. Hydrologic conditions can change significantly seasonally, monthly, and even weekly. Within the Klamath River Basin, there are periods of extreme variation and periods of little variation. For example, rainfall and snow melt may dominate portions of the basin at different times of year. Snowmelt drives the hydrology of the upper Klamath River Basin, while rain and snowmelt drive the hydrology of the Lower Klamath River Basin. 199
Klamath Project Operations Biological Assessment Coho Salmon: Environmental Baseline The Klamath Project began operations in the early 1900s and reached its present operating configuration in the 1960s. For the purpose of this BA, the impacts of the Proposed Action to coho salmon through flow will be measured at IGD. Appendix Table 3-D-1 depicts the historical monthly average IGD Discharge from 1961 to 2006. Appendix 3-D-2 depicts the exceedences for this period at 10 percent intervals. These historical exceedences will be considered the historical flows for the purpose of this BA. Average Monthly Changes in IGD Flow due to the Klamath Project Reclamation developed water accounting spreadsheet model (KPOPsim and WRIMS) that simulates Project operations to help evaluate the impacts of varying water deliveries to overall Project operations 27 . It defines the available water supply including monthly runoff into UKL and water demands at various locations. In addition, the model provides estimates of flow accretions downstream of project facilities. Present Klamath Project The Klamath Project consists of an extensive system of canals, pumps, diversion structures, and dams capable of routing water to approximately 240,000 acres of irrigated farmlands in the Upper Klamath River Basin. However, the Project usually only supplies water to approximately 200,000 to 220,000 acres annually. Since the early 1960s, the net diversion to the Klamath Project (including diversions to two National Wildlife Refuges) has fluctuated between years. Table 3-16 below contains the annual UKL Project diversions and the resultant reductions to the Klamath River at IGD. The Annual Net Reduction to Klamath River is calculated by subtracting the annual LRDC and Klamath Straits Drain additions to the Klamath River (i.e., Project additions/returns) from the Gross Annual Project Diversions. 27 Detailed description of the model components, inputs, and assumptions are found in CH2M Hill (1997). 200
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Biological Assessment The Effects o
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Biological Assessment The Effects o
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Klamath Project Operations Biologic
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EXECUTIVE SUMMARY This biological a
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Part 1 INTRODUCTION, ACTION AREA, A
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Part 2 ENDANGERED SUCKERS Sucker De
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Table 2-7. Upper Klamath Basin Nutr
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Part 3 COHO SALMON Information abou
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Description Part 5 BALD EAGLES A la
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Figure 5-1. Bald Eagle range in Nor
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Part 7 CONSULTATION HISTORY Section
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Part 9 LITERATURE CITED Agrawal, A.
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Accomplishment Report, Winter 2007.
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Our new Biological Assessment is out - Klamath Basin Crisis

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