The Colorado River Is Effectively Insolvent — And Corporate Water Users May Not Have Priced It

A Cimate Induced Bankruptcy Sitting on the Balance Sheet

An ‘off the books’ pension fund

Imagine that a company had a pension fund that promised $16.5 billion in future payouts but the value of that fund today sits at only $12.4 billion. Moreover, that pension fund has been drawing down the balance for over 25 years to cover the annual shortfall. Finally, imagine if the market conditions are such that the fund is reaching a point of no return – where it will be drawn down to such an extent that it will have no pathway to delivering on the promised payouts.

This is precisely the situation that has been created on delivery of the promised water from the Colorado River. The allocations under the Colorado River Compact to the seven states of the Basin totals 16.5 million acre feet (MAF) per year. The actual flow of the Colorado River is approximately 12.5 MAF based on the average flows from 2000 through 2023. This is an annual shortfall of 4 MAF for the last two and a half decades. The gap has been made up by drawing down reservoirs in the basin (Lake Mead and Lake Powell) to the point that these reservoirs are now approximately at one-third of their 2000 levels. All this in the face of increasingly tightened supply in the face of climate change which is predicted to reduce flows in the Colorado River by another ~20-30%.

Unfortunately, the parallel between water and financial health does not stop at the numbers for balance and withdrawal. In the western states of the U.S., water is money and every company with operations, supply chains or real estate assets in the Colorado River basin is carrying access to water on its books as if the original Compact, signed in 1922, is fully solvent. The real impairment of the last quarter century is largely unrecognized and unreported in financial accounts.

Water risk in the U.S. west is one of the next major unpriced risks to corporate balance sheets. The coming legal, regulatory and physical events will force repricing of assets. And, these events are not unfolding over the same timescale. They are being decided now, in 2026, putting a fire under corporate controllers and financial officers to understand, quantify and report the resulting impairments in the very near future.

A little history of how we got here.

In 1922, the Colorado River Compact was signed on what turned out to be one of the wettest multi-decade periods for the basin on over 500 years. Bad foresight followed bad luck as the river was allocated to the seven states in the basin and Mexico while excluding any provisions for Native American Tribes (now grown to ~3.2 MAF per year), in-stream flow rights for protection of natural resources or provision for contingencies should demand outstrip the allocations in some states and the associated claims under rules of prior appropriation.

In 1922, fewer than 1 million people lived within the Colorado River basin. Now, with population growth in the desert southwest (Phoenix, Las Vegas) and hydraulic connection of the basin to the front range of Colorado (Denver, Colorado Springs, Boulder, Fort Collins) and the Loas Angeles basin (Los Angeles, San Diego), over 40 million people depend directly on the Colorado River for drinking water. Los Angeles alone draws 1.1 MAF per year and Las Vegas is dependent on the River for 90% of its water. More broadly, the Colorado River enables the production of 90% of the U.S. winter vegetable crop and supports over $600 million in crop production. While cities have worked to improve water efficiency (an overall drop in water usage of 18% since 2000 even while population increased by 24%), agricultural use has proved less elastic and the overall results are far below the need created by the structural gap between supply and demand.

This gap is being systematically expanded by the aridification of the basin due to climate change. Rising temperatures increase evaporation from reservoirs, runoff and vegetation. Even in years of normal precipitation, the higher temperatures mean less water reaches the downstream reservoir. In 2020, the upper basin received 100% of normal snowpack, but by the time the melt cycle ran its course, only 52% reached Lake Powell. Snow-covered regions are particularly vulnerable: snowpack regions account for approximately 86% of total runoff; and those regions are losing water at double the rate of non-snowpack regions. Scientific consensus is that climate change will result in 10–40% less water available per year by 2020, with most studies clustering between 20–31% reduction. The result is that a river that is apportioned based on expected flows of 16.5 MAF will be able to deliver between 10 and 12 MAF per year. This is not a water management problem. It is a solvency problem with a known timetable.

The legal and regulatory machinery that will translate physical shortage into corporate liability

Western water law is founded on the doctrine of prior appropriation – the first user in time has the first rights to use. This means in times of shortage, the most junior water rights holders lose access first. Most corporate water rights in the Colorado River Basin were established in the 20^th century making them relatively junior to large agricultural rights (some of which date back to the late 1800s) and tribal rights (which have been ruled to date back to the founding of reservations). Legal precedent will put pressure on all of the data centers, semiconductor facilities mining operations, concrete manufacturers etc that depend on water delivered directly or through municipalities from the Colorado River.

Which brings us back to the 2026 agreement on water apportionment. To date, the 2007 Interim Guidelines and the 2019 Drought Contingency Plan have governed water allocation to states, tribes, cities and agricultural interests. In the face of the inherent shortfall, the seven basin states, 30 tribal nations and Mexico have been negotiating to replace the 1922 Compact – but no agreement was reached by a Federally designated deadline in November 2025. In January 2026, the Bureau of Reclamation (USBR) issued a draft Environmental Impact Statement laying out five alternate operating frameworks. The frameworks range from supply-driven cuts to proportional reductions across the basin. In the face of these frameworks, states were again unable to reach an agreement in March 2026. If no agreement is reached by August 2026, the Federal Government will take direct managerial authority — a scenario that could impose curtailments based on USBR’s own priority analysis, potentially leading to cuts in water allocation to corporate industrial users before smaller agricultural operations with senior rights.

The risk is compounded somewhat by the unkowns associated with tribal nation allocation. Approximately 3.2 MAF is legally allocated to tribal nations, but most of those rights have remained unquantified and undelivered. The tribes are actively working through legal channels to quantify these rights and these settlements are accelerating including the recent Navajo Nation Water Rights Settlement Act of 2024. These settlements are expected to further erode the water available for allocation to the states and even other senior water rights holders.

Because water transfers between parties is essentially the only path to new supply, water markets in the Colorado River Basin are beginning to emerge. While this provides a potential solution to more junior water rights holders, the prices are rising rapidly and the rights to water of the sellers faces some uncertainty going forward. Arizona has begun mandating that new large industrial and residential users demonstrate 100-year water supply certainty before permitting. Water pricing in municipal systems is increasingly tiered and escalating. Industrial users in drought-shortage tiers face significantly higher marginal costs. The Central Arizona Project (CAP) is raising rates to fund alternative water supply projects, including a planned desalination plant in partnership with Mexico. The cost estimates range from $1,200–$4,000 per acre-foot, versus current CAP delivery costs of approximately $200–$400 per acre-foot.

Unpriced Corporate Water Risk

Some corporations are more exposed to this water liability than others. Agriculture and food supply chains are by far the most exposed with 80% of the basin allocations going to agriculture and the Imperial Irrigation District the largest single water rights holder. However, large agricultural users tend to have more senior rights. Under a scenario or proportional reduction, these users will see significant reductions in water deliveries, but under a litigation scenario may be protected by more senior rights. Semiconductor manufacturers such as Intel in Chandler and TSMC in Phoenix are dependent on the negotiations of state deliveries to Arizona. A poor outcome for Arizona could make for an untenable result for these water intense industries. Even under a favorable negotiating outcome, they can expect significant reductions in water deliveries from the Colorado River. Freeport-McMoRan operates five mines in Arizona and supplies critical minerals to clean energy development and defense. The company has already filed comments with USBR warning of operational disruptions in the face of water delivery curtailments. Data Centers in Phoenix and across the Front Range are largely dependent on water for cooling and that use is expected to grow exponentially in the face of larger computing draw from AI. Real estate and development in growing urban areas such as Phoenix, Denver and Las Vegas is contingent on water certainty that may no longer exist.

Regardless of the sector, the risks of water loss are consistently underpriced and unaccounted for on corporate balance sheets. Some examples of where these gaps are likely to occur:

- Water rights are carried on the books as permanent assets with no conditionality discount for junior priority exposure;

- Projected operating costs have been modeled at current water prices, not at post-2026 tiered or market prices;

- Supply chain water risk has not been assessed or disclosed even as investors have been demanding information on financially-material climate and environmental risks through the CSRD and other disclosure regulations;

- No standard accounting treatment has been adopted or applied for water rights impairment or contingent curtailment liability.

The Colorado River has been drawing down its reserves for 25 years to honor promises it was never physically capable of keeping. Corporate balance sheets across the American West have been bystanders to that process — neither accounting for the depletion nor disclosing the exposure. That changes in 2026, not because companies have suddenly decided to get ahead of the problem, but because the Federal Government, the courts, and the market are now forcing the reckoning. A water rights curtailment is not an abstraction in a risk factor disclosure — it is an operational shutdown, a stranded asset, a supply chain rupture. Companies that map their water rights seniority now, stress-test their operating costs against post-2026 market pricing, and trace the water dependencies in their supply chains will be better positioned than those that wait for a federal curtailment order to discover that the pension fund was insolvent all along.

Three Questions Every Executive with Colorado Basin Exposure Should Be Asking

1) What is the seniority of our water rights relative to other users in our basin, and what happens to our operations in a Tier 2 or Tier 3 shortage declaration under the post-2026 guidelines?

2) What is our forward water cost assumption, and have we stress-tested it against market-rate water prices ($1,200–$4,000/acre-foot) that may be the only available supply pathway in the next decade?

3) Are our supply chain partners — particularly agricultural suppliers and component manufacturers — stress-testing their own water access, and is that risk finding its way into our disclosed risk factors or materiality assessments?