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Idaho Department of Water Resources

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Idaho Department of Water Resources
NameIdaho Department of Water Resources
Formed1969
Preceding1Idaho Water and Navigation Commission
JurisdictionIdaho
HeadquartersBoise, Idaho
Chief1 positionDirector

Idaho Department of Water Resources is the state agency charged with managing water resources in Idaho including allocation of surface water, groundwater, and oversight of streamflow and aquifers. It operates within the legal framework established by state statutes, interacts with federal entities such as the United States Bureau of Reclamation, and coordinates with regional organizations including the Columbia River Basin, Snake River stakeholders, and interstate compacts. The agency's work affects irrigation districts, municipalities like Boise, Idaho, energy projects such as hydroelectric power facilities, and environmental interests involved with the Endangered Species Act.

History

The agency was created in 1969 replacing the Idaho Water and Navigation Commission to centralize state roles previously spread among commissions and boards, influenced by statewide debates over irrigation expansion, the legacy of the Reclamation Act of 1902, and litigation stemming from the United States v. Idaho era. Early actions involved adjudication processes tied to the Adjudication of Water Rights and responses to regional events like droughts in the 1970s and reservoir negotiations related to the Bonneville Power Administration and American Falls Reservoir. Over decades the department engaged with federal programs including coordination with the Environmental Protection Agency, the National Oceanic and Atmospheric Administration, and legal settlements connected to the District of Idaho federal court.

Organization and Governance

The department is led by a director appointed under state law and organized into divisions mirroring functions such as Water Rights, Hydrology, Dam Safety, and Administrative Services. It reports to the Idaho Legislature via budget processes and interacts with state executives including the Governor of Idaho. Advisory connections include the Idaho Water Resource Board, municipal bodies like the City of Pocatello, irrigation entities such as the Minidoka Irrigation District, and tribal governments including the Nez Perce Tribe and Shoshone-Bannock Tribes on matters of reserved rights. The department collaborates with federal agencies like the United States Army Corps of Engineers, Bureau of Land Management, and United States Fish and Wildlife Service.

Functions and Responsibilities

Primary responsibilities include permitting of water use, administration of water rights, floodplain management, dam safety regulation, and groundwater management. The agency administers wells and groundwater withdrawals affecting aquifers such as the Eastern Snake Plain Aquifer, enforces mitigation under interstate compacts like the Columbia River Treaty implications, and issues permits for diversions used by entities such as the Idaho Power Company and agricultural cooperatives like the Twin Falls Canal Company. It engages with conservation efforts under statutes like the Clean Water Act where state authority interfaces with the Environmental Protection Agency.

Water Rights and Allocation

Idaho's prior-appropriation system requires the department to adjudicate, adjudicative processes are administered alongside the Idaho Supreme Court and District Court of Idaho where disputes with parties including ranchers, municipalities, and hydroelectric licensees often occur. The department maintains records of decreed rights, handles transfers and changes of use for rights tied to projects such as the Milner Dam and American Falls Dam, and negotiates agreements with federal reclamation projects under the Bureau of Reclamation. Water banking, voluntary curtailment programs, and conjunctive management efforts interact with stakeholders including Idaho Farm Bureau Federation, environmental NGOs like the Sierra Club, and federal trustees under the Endangered Species Act.

Programs and Projects

Notable programs include the statewide groundwater management plans, streamflow restoration initiatives, dam inspection schedules, and irrigation efficiency projects carried out with partners like the Natural Resources Conservation Service. Project examples involve recharge efforts affecting the Snake River Plain, canal piping projects in the Magic Valley, and habitat restoration efforts coordinated with the Bonneville Power Administration and the Northwest Power and Conservation Council. The department has engaged in interagency projects such as monitoring for contaminants alongside the Idaho Department of Environmental Quality and participating in watershed councils like the Payette River Watershed Council.

Data, Monitoring, and Research

The department operates networks of streamgages and monitoring wells, compiles hydrologic data used by researchers at institutions such as the University of Idaho, Idaho State University, and Boise State University, and shares datasets applied in regional syntheses like studies by the US Geological Survey. Research collaborations include groundwater modeling of the Eastern Snake Plain Aquifer, sediment transport analysis for reservoirs like C.J. Strike Reservoir, and climate-impact assessments linked to work by the National Integrated Drought Information System and NOAA. Data underpins licensing reviews for hydroelectric projects licensed by the Federal Energy Regulatory Commission.

The department has been a party to litigation and controversy involving groundwater pumping, surface-groundwater interaction disputes, and compliance with endangered species protections. High-profile conflicts have involved irrigators, municipal suppliers, and tribal claims such as those associated with the Nez Perce Tribe and water rights settlements adjudicated in federal courts. Legal issues have included challenges under state statutes adjudicated before the Idaho Supreme Court, disputes over mitigation plans tied to the Bureau of Reclamation, and contested permitting decisions that attracted interest from environmental groups like Earthjustice and industry groups including the Idaho Mining Association.

Category:State agencies of Idaho Category:Water management in the United States