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Bay Delta Accord (1994)

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Bay Delta Accord (1994)
NameBay Delta Accord
OthernamesSacramento–San Joaquin Delta Agreement
Date1994
LocationSacramento–San Joaquin Delta, California
ParticipantsState of California, Federal agencies, water districts, environmental organizations, agricultural interests
OutcomeVoluntary export restrictions, instream flow commitments, regulatory framework for export pumping

Bay Delta Accord (1994) The Bay Delta Accord (1994) was a voluntary consensus among California state agencies, federal authorities, water exporters, agricultural districts, and environmental organizations to manage water exports and ecological conditions in the Sacramento–San Joaquin Delta. It sought to reconcile competing interests represented by the State Water Resources Control Board, the United States Fish and Wildlife Service, and the United States Bureau of Reclamation with stakeholders including the Metropolitan Water District of Southern California, East Bay Municipal Utility District, and Central Valley Project contractors. The Accord aimed to provide interim operating criteria for the California State Water Project and the Central Valley Project while steering regulatory processes such as water rights hearings and biological opinions.

Background and water management context

The Accord emerged amid disputes involving the California Department of Water Resources, the United States Bureau of Reclamation, and the State Water Resources Control Board over standards established by the Federal Endangered Species Act decisions from the U.S. Fish and Wildlife Service and the National Marine Fisheries Service concerning species like the delta smelt and Central Valley steelhead. Pressure from constituencies represented by the California Department of Fish and Wildlife, Pacific Coast Federation of Fishermen's Associations, and agricultural entities such as the California Farm Bureau Federation and Westlands Water District intersected with urban interests embodied by Los Angeles Department of Water and Power and the Metropolitan Water District of Southern California. Preceding events included conflicts from the State Water Project expansions, the operational history of the Central Valley Project, and regulatory actions by the Environmental Protection Agency and the California Environmental Protection Agency.

Negotiation and parties involved

Negotiations brought together officials from the Governor of California's office, the Secretary of the Interior, congressional delegations including members from the California State Legislature, and representatives from federal agencies such as the United States Bureau of Reclamation and the National Marine Fisheries Service. Stakeholders included water contractors like the Semitropic Water Storage District, irrigation interests from the San Joaquin Valley, environmental NGOs such as the Natural Resources Defense Council, the Sierra Club, and the Defenders of Wildlife, as well as regional utilities including the East Bay Municipal Utility District and the San Francisco Public Utilities Commission. Academic and research institutions like the University of California, Davis and the California Institute of Technology provided technical input, while tribal entities such as the Miwok and Maidu interests were involved through consultation channels.

Key provisions and agreements

The Accord established interim export limits for the State Water Project and the Central Valley Project and committed parties to implement measures intended to protect listed species including the Sacramento splittail and the chinook salmon. It called for adaptive management strategies coordinated with the Bay-Delta Advisory Council and the CalFed Bay-Delta Program, mandated enhanced monitoring by the California Department of Water Resources and the United States Geological Survey, and specified flow objectives for tributaries including the Sacramento River and the San Joaquin River. The agreement referenced compliance mechanisms tied to the Endangered Species Act and the Clean Water Act as interpreted by the State Water Resources Control Board and set timetables for environmental baseline studies overseen by the Natural Resources Conservation Service.

Implementation and regulatory changes

Implementation involved modifications to operational criteria used by the Central Valley Project and by the California State Water Project operators at facilities such as Shasta Dam, Folsom Lake, and the Tracy Pumping Plant. Regulatory adjustments were coordinated with the National Marine Fisheries Service and the U.S. Fish and Wildlife Service through biological opinions that influenced water quality certification under the California Water Code. The Accord's measures were integrated into planning documents of the CalEPA and informed proceedings before the State Water Resources Control Board hearings on Bay-Delta water rights, while technical committees drawn from Reclamation and state agencies updated modeling with inputs from the Interagency Ecological Program.

Environmental and ecological impacts

Proponents argued the Accord reduced stress on populations of delta smelt, chinook salmon, and steelhead by moderating export rates from the Delta and improving low-salinity habitat management near Suisun Bay. Conservation groups including the World Wildlife Fund and the Audubon Society noted incremental habitat benefits tied to adaptive management and enhanced monitoring by the United States Geological Survey. Critics cited continued declines reported by surveys conducted by the California Department of Fish and Wildlife and peer-reviewed analyses from the National Academy of Sciences, asserting that flow-dependent restoration measures were insufficient to reverse population trends in the San Francisco Estuary ecosystem.

The Accord did not forestall litigation. Parties sought judicial resolution in cases brought before federal courts including filings that referenced previous rulings involving the National Marine Fisheries Service and the U.S. Fish and Wildlife Service. Water contractors and environmental plaintiffs contested biological opinions and permits under the Endangered Species Act and the Clean Water Act, leading to subsequent litigation involving the United States Department of the Interior and the California Attorney General's office. Decisions from appellate courts and interventions by members of the United States Congress influenced compliance obligations and spurred further regulatory reviews by the State Water Resources Control Board.

Legacy and subsequent policy developments

The Accord influenced the evolution of the CalFed Bay-Delta Program, informed later contractual and operational changes in the Central Valley Project Improvement Act era, and contributed to policy debates culminating in the Bay Delta Conservation Plan and the later California WaterFix proposals. Its framework for collaborative, adaptive management informed subsequent efforts by state leaders including governors and state agencies to reconcile water deliveries with ecological protections, shaping continuing participation by organizations such as the Natural Resources Defense Council, Metropolitan Water District of Southern California, and numerous California water districts. The Accord remains a reference point in discussions about sustainable management of the Sacramento–San Joaquin River Delta and the intertwined futures of urban supply, agricultural productivity, and native species conservation.

Category:Water politics in California Category:Sacramento–San Joaquin River Delta