Water Law Commons^™

Egger Enter., Llc V. State Engineer, 142 Nev. Adv. Op. 18 (Feb. 26, 2026), Hunter Patterson

Nevada Supreme Court Summaries

The State Engineer needs only to address the relevant NRS 534.090(3) factors in a forfeiture proceeding, and retaining unused water rights while seeking new uses does not constitute good-faith diligence.

Gold Standard Ventures (Us) Inc. V. Thorson, 142 Nev. Adv. Op. 10 (Feb. 12, 2026), Lauren Jung

Nevada Supreme Court Summaries

The Court affirmed the district court's dismissal of Orla's petition for judicial review, finding that a party must have an existing personal or property right affected by the challenged decision to have standing. The Court therefore found that Orla had no standing to bring suit.

Allocating Electricity, Alexandra Klass, Dave Owen

Articles

The U.S. electricity system is premised on the ideas that utilities have a duty to serve all customers in their service territories and that electricity supply should always meet demand. Until recently, there has been little reason to question these foundational premises. U.S. electricity demand has remained flat for over a decade, and during earlier periods of growth, new energy generation plants were relatively easy to build. Now, however, electricity experts predict massive load growth—most notably from data centers to power artificial intelligence and cryptocurrency—and building new power plants is no longer easy.

Major efforts are underway to increase electricity …

Sullivan. V. Baker Ranches, Inc., 141 Nev. Adv. Op. 36 (2025), Andre Anaya

Nevada Supreme Court Summaries

No abstract provided.

Water Flowing Down Wall Street, Vanessa Casado-Pérez

Faculty Scholarship

Water scarcity is a perennial problem with dire consequences for the United States and governments around the world. A lack of adequate water resources is a systematic cause of environmental harm, economic damage, and societal division. Climate change has exacerbated these problems making water even more valuable and essential.

Financial actors have turned water into the new oil. These large financial actors profiteer from buying and selling water without any interest in its actual use as an input of production. Instead, they typically seek to hold these rights until dire situations, like droughts and fires, cause temporary, but large, spikes …

Get In The Flow: Policy Changes That Can Increase Texas's Surface Water Transfers, Amy Hardberger

Texas A&M Law Review

The prior appropriation or “first in time” system of surface water allocation was initially adopted during the California Gold Rush and later implemented throughout the western U.S. to distribute water rights. Those same states are now experiencing massive population increases, often with over-appropriated rivers exacerbated by climate change. Although water is scarcer, it is often not put to its highest value or most efficient use because prior appropriation protects inefficient and wasteful uses.

Because water rights are property rights, one way to move water to new users is through water market transfers; unfortunately, prior appropriation rules create high transaction costs, …

Flowing Justice: Quantifying Water Rights In The Wake Of Arizona V. Navajo Nation—Navigating The Legal Oasis For Native American Water Sovereignty, Sydney Shearouse

Texas A&M Journal of Property Law

Climate change has spurred a meteoric rise in environmental disputes particularly in arid climates where water shortages have become increasingly commonplace. Water rights controversies rise to the fore of public discourse as awareness and acceptance of climate change—and its impact on scarce resources—have become a near universal norm. These water shortages impact everyone. However, Native American tribes are uniquely impacted as their water rights are not clearly defined in the treaties that established the various reservations. The Supreme Court decided in Winters v. United States (1908) that there is a fiduciary duty owed to Native American tribes by the federal …

Water Reallocation In The West: Government And Markets, Vanessa Casado Pérez

Faculty Scholarship

Water is multifaceted: it is a human right, a production input, a sacred element, an investment asset, public property, and a fugitive resource. Its reallocation is inherently difficult because of its natural characteristics and its hybrid nature that combines public ownership with private rights. The future of the U.S. West necessitates the reallocation of water resources, even with potential new water supplies. As climate change intensifies, reallocation will take various forms—all involving government intervention to some degree, from eminent domain to competitive markets. For water markets to function effectively, they require robust institutional infrastructure to prevent issues like imperfect information …

Schutter V. State Board Of Land Commissioners, Gillian P. Ellison

Public Land & Resources Law Review

In Schutter v. State Board of Land Commissioners, the Montana Supreme Court addressed the State’s fiduciary obligation in the context of water rights appurtenant to school trust lands. Central to the Court’s holding was the State’s fiduciary duty in managing lands held in trust for the benefit of the State. By upholding the State’s claim to partial ownership of a water right originating on private land, the Schutter Court underscored the tension between private property rights and the State's trust fiduciary duties.

Adapting Seasonal Water Rights, Karrigan S. Börk, John Mensik

William & Mary Environmental Law and Policy Review

Climate change is shifting seasons. Spring comes earlier, fall comes later, rainy seasons are shorter and more intense, and summers are hotter and longer. In the American West, winter precipitation increasingly falls as rain, leading to a smaller snowpack and an earlier, more intense runoff followed by a longer and drier dry season. For irrigators— the highest volume water users—growing seasons are shifting earlier, weather is less predictable, and precipitation is increasingly inconsistent. The end of a relatively static climate marks the end of static water rights. The shifting seasons pose serious challenges to our ability to manage water systems. …

Quantifying Winters Rights, Rhett B. Larson

William & Mary Environmental Law and Policy Review

All reservations of federal land, including Native American reservations and national forests, have water rights. These rights are referred to as “Winters rights” after the seminal U.S. Supreme Court case. That case recognized such rights’ existence, but it did not quantify the amount of water of those rights. Federal courts have applied various approaches to quantifying Winters rights. Recent decisions in Arizona state courts have taken new and different approaches to quantification of both tribal and non-tribal Winters rights. These state court decisions have important implications for federal water rights throughout the United States. This Article examines these new …

Tribes And Water In The Wake Of Navajo Nation And Sackett: Treaties, Winters, Montana, And Rights Of Nature, Robin Kundis Craig

William & Mary Environmental Law and Policy Review

Freshwater resources in the United States face a variety of stressors, including drought, flooding, and climate change–driven shifts in precipitation, that exacerbate both water quality problems and drinking water crises. In the midst of these increasing issues regarding both water quality and quantity (allocation), Tribes are playing an ever more active role in U.S. water management. This Article provides an overview of the complex contemporary legal landscape governing tribal authority over water. After reviewing the current state of inherent tribal sovereignty with respect to water, treaty rights and reservations, the federal Winters doctrine, and Treatment-as-a-State (“TAS”) status, this Article explores …

Brief Of Tribal Nations And Indian Organizations As Amici Curiae In Support Of The Navajo Nation, U.S. Supreme Court Docket No. 21-1484, Monte Mills, Heather D. Whiteman Runs Him, Dylan R. Hedden-Nicely, John E. Echohawk, Steven C. Moore, David L. Gover, Joe M. Tenorio, Ada Montague Stepleton, Morgan E. Saunders, Wesley James Furlong, Sydney Tarzwell

Court Briefs

SUMMARY OF ARGUMENT: The Winters Doctrine recognizes and gives effect to the promises made by the United States in treaties, congressionally ratified agreements, and executive orders that Tribal Nations would retain permanent and viable homelands. These promises, made in exchange for the Tribal Nations’ cession of billions of acres of land, paved the way for the non-Indian settlement of the West. Although every tribal homeland is unique, invariably, each requires water to be livable. Applying the canons of construction this Court has developed as part of its federal Indian law jurisprudence, as well as the history and circumstances surrounding the …

A Bold Plan For Saving The Colorado River, Mark Squillace

Publications

No abstract provided.

Groundwater Exceptionalism: The Disconnect Between Law And Science, Christine A. Klein

UF Law Faculty Publications

Most judges, legislators, and regulators would be hard-pressed to articulate a comprehensive legal theory of groundwater. And yet, this under-appreciated, over-used, life-sustaining resource plays an increasingly pivotal role in prominent legal controversies. In defiance of hydrologic reality, lawmakers have routinely singled out groundwater for unique treatment and decoupled it from surface water. This Article dubs such phenomenon “groundwater exceptionalism,” and identifies groundwater as an under-theorized aspect of both property law and water law. It brings to light the numerous legal doctrines infected by exceptionalism, including state water rights law, the federal reserved rights doctrine, the apportionment of interstate waters, and …

New Strategies For Groundwater Litigation In Texas, Amy Hardberger

William & Mary Environmental Law and Policy Review

This Article evaluates the evolution of the understanding of groundwater rights since the Day decision and assesses the relative power of property rights in groundwater that have emerged and what can be done to equalize resulting inequities. Part I reviews the current state of groundwater ownership rights and includes a brief history of litigation that led to that point. Part II explains the authority and obligations of groundwater conservation districts, which create a regulatory overlay on the common law vested rights through permitting rules and the statewide planning process. Part III summarizes the history of constitutional challenges litigated after the …

Water Banks In Washington State: A Tool For Climate Resilience, Jennifer J. Seely

Washington Law Review

Water banks—a tool for exchanging senior water rights and offsetting new ones—can address multiple problems in contemporary water law. In the era of climate change, water banks enable needed flexibility and resilience in water allocation. As growing cities require new water rights, water banks can repurpose old water for new uses. These advantages should lead the Washington State Legislature to incentivize water banks, but in the 2018 “Hirst fix” it embraced habitat restoration as a false equivalent for water. The Legislature is rightfully concerned about the speculation that some private water banks allow. But overall, water banks enable new and …

From Loon Lake To Chuckanut Creek: The Rise And Fall Of Environmental Values In Washington's Water Resources Act, Rachael Paschal Osborn

Washington Journal of Environmental Law & Policy

The year 2021 marks the 50th anniversary of the Water Resources Act of 1971, Washington’s program to protect instream flows in state rivers. Implementation has been controversial and, even a half century later, incomplete. Part 1 introduces the Act. Part 2 examines its legislative history, and administrative development by the Department of Ecology. The Act innovated water allocation, putting instream flows and public uses of rivers on par with out-of-stream water rights. But river protection labors under serious limitations, chief among them the subordination of instream flows to pre-existing water rights. And, although only half of Washington’s watersheds are protected …

Aamodt Litigation Settlement Completion, United States 116th Congress

Native American Water Rights Settlement Project

Amends the Aamodt Litigation Settlement Act (Pub. L. 11-291) to increase funding for Pueblo Water Facilities from $106.4 million to $243.4 million and making available $137 million for Regional Water System funding.

Brief Of Amici Curiae Professors Ronald A. Cass, David F. Forte, James L. Huffman, Donald J. Kochan, Jesse J. Richardson And Reed Watson In Support Of Petitioners, David F. Forte, Ronald A. Cass, James L. Huffman, Donald J. Kochan, Jesse J. Richardson, Reed Watson

Law Faculty Briefs and Court Documents

The Court of Federal Claims ruled that the Klamath, Yurok and Hoopa (hereafter Tribes) reserved water rights in the Klamath River Basin are of a volume at least equal to the amount of water the Environmental Protection Agency has determined to be necessary to trigger endangered species protection. In the absence of an adjudication in state or federal court and contrary to the long history of federal deference (both by Congressional enactment and judicial precedent) to state adjudication of water rights, the Federal Circuit affirmed and thus preempted, without the participation of affected parties including petitioners, the State of Oregon’s …

Navajo Nation V. United States Department Of The Interior, Adam W. Johnson

Public Land & Resources Law Review

The Navajo Nation sued the United States government alleging the government breached its trust obligation over the allocation of water rights in the Colorado River Basin. On remand, the district court denied the Navajo Nation leave to file its third amended complaint for futility, holding that the general trust relationship was insufficient to support the Nation’s breach of trust claim.

Don't Go In The Water: On Pathological Jurisdiction Splitting, Jamison E. Colburn

Faculty Scholarship

Waters and water rights have endured (or induced) a uniquely pathological tendency in our tradition to split up the authority to declare the operative legal interests therein. By studying three seemingly unrelated areas of waters and water rights law, this tendency is brought out in its essence and linked to explicit foundations and likely causes. Ultimately, this kind of extreme jurisdiction splitting is rendering our waters ungovernable, forcing even the most basic legal questions to go undecided. The last part of the article introduces three different reform pathways but cautions against the search for quick fixes of any kind.

Water For Fish And Farms: An Examination Of Instream Flow Programs In Montana Using Spatially-Explicit Water Rights Data, Anna Leigh Crockett

Graduate Student Theses, Dissertations, & Professional Papers

The state-level institutions governing water use in the western United States have increasingly come under pressure and scrutiny related to their inability to navigate water use conflicts in recent decades. Rapid population growth and shifting public values towards leaving water instream for recreational and environmental purposes pose challenges to Montana water supplies which are predominantly allocated for irrigated agriculture. Additionally, while water scarcity and unpredictable availability are not new dilemmas in Montana, the rate at which climate change is driving shifts in the distribution, timing, and availability of water supplies is unprecedented. Current water policies may not be nimble enough …

Compact Compliance As A Beneficial Use: Increasing The Viability Of An Interstate Water Bank Program In The Colorado River Basin, Emily Halvorsen

University of Colorado Law Review

There is a looming problem facing the Colorado River Basin: an increasing likelihood of a compact call on the Upper Basin due to projected climate change and population growth stresses on the Colorado River. To address this problem, water resource managers and natural resource management organizations throughout the Upper Basin have proposed a leading approach of an interstate water bank program. There are three main shortfalls to this though, which do not make the program a viable approach in addressing the problem: (1) legal uncertainty regarding individual water rights; (2) concerns regarding speculation; and (3) lack of incentives for state …

Drought And Public Necessity: Can A Common-Law "Stick" Increase Flexibility In Western Water Law?, Robin Kundis Craig

Texas A&M Law Review

Drought is a recurring—and likely increasing—challenge to water rights administration in western states under the prior appropriation doctrine, where “first in time” senior rights are often allocated to non-survival uses such as commercial agriculture, rather than to drinking water supply for cities. While states and localities facing severe drought have used a variety of voluntary programs to reallocate water, these programs by their very nature cannot guarantee that water will in fact be redistributed to the uses that best promote public health and community survival. In addition, pure market solutions run the risk that “survival water” will become too expensive …

Instream Flow Regulation: Plugging The Holes In Maine's Water Law, Bradford R. Bowman

Maine Law Review

States East of the Mississippi River have long relied on the traditional common law of riparian rights to manage their water resources. Towards the end of the Twentieth Century, rising demand for consumptive water use due to population growth, modern agricultural practices and industrialization began to conflict with environmental concerns. Throughout the East, states recognized the riparian doctrine's failure to provide a reliable means for allocating water during times of scarcity. In response, most of these states replaced common law water rights with regulatory water management systems. Maine is the only state that has not followed this trend. It is …

City Of Helena V. Community Of Rimini, Molly M. Kelly

Public Land & Resources Law Review

After twenty years of adjudication, the Montana Supreme Court affirmed the City of Helena’s right to 13.75 cfs from Ten Mile Creek, the city’s primary water source. The Court found a statute allowing cities and municipalities to exercise water rights that have gone through extended periods of nonuse did not need a retroactive clause.

Water, Water, Nowhere: Adapting Water Rights For A Changing Climate, Caleb Hall

Sustainable Development Law & Policy

No abstract provided.

United States V. Barthelmess Ranch Corp., Jonah P. Brown

Public Land & Resources Law Review

Application of water to a beneficial use is the decisive element of a perfected water right in Montana. The BLM claimed rights to five reservoirs and one natural pothole under Montana law. The agency did not own livestock, but instead made the water available to grazing permittees. In United States v. Barthelmess Ranch Corp., the Montana Supreme Court affirmed the Montana Water Court’s holding that the BLM’s practice of making water available to others constituted a beneficial use and a perfected water right.

Slides: Water Allocation And Water Markets In Spain, Nuria Hernández-Mora

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Nuria Hernández Mora, Universidad de Sevilla, Spain

22 slides