Butte Valley Groundwater Sustainability Plan

Siskiyou County Flood Control and Water Conservation District | January 4th, 2022

Butte Valley Groundwater Sustainability Plan (Revised)

Siskiyou County Flood Control and Water District Groundwater Sustainability Agency | July 12th, 2024

This GSP was prepared to meet the regulatory requirements established by DWR. The completed GSP Elements Guide is organized according to the GSP Emergency Regulations se

This GSP was prepared to meet the regulatory requirements established by DWR. The completed GSP Elements Guide is organized according to the GSP Emergency Regulations sections of the California Code of Regulations and is provided in Appendix 1-D. Due to size, this file has been divided. Part 1, Part 2, Part 3

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Cal Water Fix Economic Analysis (Draft)

California Department of Water Resources (DWR) | August 22nd, 2016

This benefit - cost analysis of the California Water Fix project was produced by Dr. David Sunding with the Brattle Group and a consultant to the Natural Resources Agency

This benefit - cost analysis of the California Water Fix project was produced by Dr. David Sunding with the Brattle Group and a consultant to the Natural Resources Agency, a proponent of the project. There are two basic questions with respect to the economics of the Cal Water Fix.  First, is the project affordable?  That is, do the water users who would pay for the construction and operation of the tunnels have the ability to repay the associated debt and operating costs?  Second, does investment in the Cal Water Fix generate benefits to water users that are greater than the costs?  This is the classic benefit-cost question, and it is often a more exacting test than ability to pay. The purpose of this report is to examine the relative direct benefits and costs of the Water Fix, and to outline some of the major indirect economic effects of implementing the program.  The benefits of the tunnel are analyzed with respect to a no-tunnel baseline with the same operating criteria as the Water Fix.

Cal-EPA: An Umbrella for the Environment

Little Hoover Commission | June 1st, 1991

Cal-EPA was created to consolidate environmental programs and concentrate on vigorous enforcement of environmental regulations. The report discusses risk assessment activ

Cal-EPA was created to consolidate environmental programs and concentrate on vigorous enforcement of environmental regulations. The report discusses risk assessment activities, uniform permit processes, public involvement, and the advantages and consequences of bringing all environmental entities into Cal-EPA. In addition, the Commission addresses the short- and long-term costs and savings. The Cal-EPA report has seven findings and seven recommendations.

CALFED Bay-Delta Program, Programmatic Record of Decision

California State Water Resources Control Board (SWRCB) | August 28th, 2000

The CALFED Bay-Delta Program is an unprecedented effort to build a framework for managing California’s most precious natural resource: water. California and the Federal

The CALFED Bay-Delta Program is an unprecedented effort to build a framework for managing California’s most precious natural resource: water. California and the Federal government in partnership, are launching the largest, most comprehensive water management program in the world. This is the most complex and extensive ecosystem restoration project ever proposed. It is also one of the most intensive water conservation efforts ever attempted. It is the most far-reaching effort to improve the drinking water quality of millions of Californians as well as an unprecedented commitment to watershed restoration. And it is the most significant investment in storage and conveyance in decades. This document is the Record of Decision (ROD) for addressing these efforts through a sustained, long-term effort by the CALFED Agencies and stakeholder groups.

CalFed Science Synthesis: Science Issues Related to Delta Conveyance Options for California Water Supply

CALFED | March 1st, 2008

On August 22 and September 11, 2007, the CALFED Science Program convened workshops to identify and discuss key scientific and technical issues pertaining to conveyance of

On August 22 and September 11, 2007, the CALFED Science Program convened workshops to identify and discuss key scientific and technical issues pertaining to conveyance of Sacramento River water through or around the California Delta to the state and federal water project export pumps in the south Delta. The first workshop focused on “isolated” conveyance facilities (such as a peripheral canal or pipeline) while the second workshop focused on through-Delta conveyance facilities (such as existing or proposed through-Delta natural or man-made channels, canals, or sloughs) to convey water. During the series of presentations and discussions by subject-matter experts, several important broad conclusions emerged and are discussed below. The two workshop summaries are attached to this synthesis of key points.

CALFED Staff Report: Summary Review of Prior Delta Conveyance Reports

CALFED | April 24th, 2008

Over the past 40 years, state, federal, and local agencies, as well as academics have conducted numerous studies about the best way to move water through or around the De

Over the past 40 years, state, federal, and local agencies, as well as academics have conducted numerous studies about the best way to move water through or around the Delta. For this summary report, CALFED staff reviewed more than 100 reports — 30 of which specifically focused on various conveyance options—that dealt with Delta water conveyance and potential effects on water quality and ecosystem health and resilience. Based on a review of these reports, it appears that most focus on the amount of water than can be moved and for what cost, but little work has been done to evaluate the effects on the Delta environment or the impacts of climate change and sea level rise. We note, however, that several studies now underway are addressing these issues. General conclusions based on this review suggest: 1. The operational criteria of a conveyance system is critical to determining if it will meet the environmental, water quality, and water supply reliability needs of the state. 2. Based on the reports we reviewed, none of the conveyance options stand out as a clear choice capable of fully meeting all the performance standards laid out by the Task Force. Some conveyance options do well in some areas, but not in others; some conveyance options do moderately well across all areas. 3. Few of the existing reports include operational criteria or specifically integrate much of the new and relevant scientific data about the Delta ecosystem. 4. Cost estimates developed were for the conceptual designs for particular studies. Most of the reports did not include cost estimates for operation, maintenance and mitigation. Cost estimates presented here are not current and are not comparable among reports.