By Alejandra Paladino, REALTOR® | Moving to Arizona
If you're researching a move to Arizona, water is almost certainly on your mind. It should be, it's one of the most important questions anyone can ask before putting down roots in a desert state. And right now, in spring 2026, it's more relevant than ever. The Colorado River is facing its most serious challenges in a century of records. Federal cuts to Arizona's water allocation are coming. Phoenix just introduced a new water sharing framework, and the city anticipates entering a formal drought warning designation by the end of 2026.
So should you be worried? The honest answer is: it depends on where in Arizona you're buying, and it depends on what worried means to you.
This blog gives you the complete, current picture, not the reassuring spin, not the doom and gloom, but the actual facts about Arizona's water situation and what they mean for people buying homes in the Phoenix metro area right now.
Prefer to watch? I cover everything in this video:
What Is Actually Happening with Arizona's Water Supply
Let's start with the facts, because the headline numbers are genuinely serious and deserve to be understood clearly.
The Colorado River supplies water to approximately 40 million people across seven western states and Mexico. The river is currently experiencing the lowest 16 year inflow period in over 100 years of recorded history. Reservoir storage in the Colorado River system has dropped from nearly full just a few years ago to roughly half of capacity. The snowpack in the Upper Colorado River Basin was just 45% of the 30 year median as of June 2025.
Arizona's normal Colorado River allocation through the Central Arizona Project CAP canal is 1.6 million acre feet per year. Under the current Tier 1 shortage declaration, that drops to approximately 1 million acre feet, a reduction of roughly 37%. The 2026 Colorado River Operations Plan has expired, and upper and lower basin states remain at an impasse over how to share further cuts. Upper basin states are pushing to place 100% of required cuts on lower basin states, which includes Arizona.
The federal government is expected to make deeper cuts before the end of the year since Arizona, neighboring states, and tribes were not able to agree on a new plan to rein in water use.
This is the broad picture. Now let's talk about what it actually means for Phoenix specifically, because the story is significantly more nuanced than the headlines suggest.
Phoenix's Position Better Than You Might Think
Here is what most water coverage of Arizona gets wrong: it treats Phoenix as a monolithic entity with uniform water vulnerability. The reality is far more complicated, and for established Phoenix metro cities, significantly more stable.
Phoenix draws its drinking water from a diversified portfolio of sources. The water in Phoenix comes from a variety of sources: the Salt and Verde Rivers, the Colorado River, and groundwater. Nearly 40% of Phoenix's drinking water relies on the Colorado River, and city leaders are moving to shore up the supply. That means approximately 60% of Phoenix's water comes from sources that are not directly subject to Colorado River shortage cuts.
That diversification is the product of deliberate, long term planning. City officials say Phoenix has been preparing for drought conditions for over 100 years. The Salt River Project, which manages the Salt and Verde River systems, has been banking water underground during wet years for decades, creating an enormous aquifer reserve that can be drawn on during dry periods. Phoenix has invested in recycled water infrastructure, water banking programs, and conservation systems that give it tools that most cities anywhere in the country simply don't have.
The most direct and authoritative word on what this means for residents comes from water policy experts. No, people should not be worried that their taps are going to run dry. But a lot of the solutions to the Colorado River shortage are going to entail higher costs, said Kathryn Sorensen, director of research at the Kyle Center for Water Policy at Arizona State University.
That is the honest, expert assessment: taps are not going dry in Phoenix. But water is going to cost more, and conservation is going to be increasingly expected and eventually required.
What Drought Stage 2 Means for Phoenix Residents
With cuts coming to the Colorado River, the city anticipates going to Drought Stage 2 Water Warning by the end of 2026. This is a formal designation within Phoenix's drought management plan, and it's worth understanding what it actually entails rather than reacting to the word warning.
A water warning could mean voluntary reductions, expanded audits, expanded rebates, and surcharges. In practical terms for Phoenix residents, Drought Stage 2 is likely to mean higher water bills, surcharges on usage above conservation thresholds, and an expectation of voluntary behavioral changes like watering yards less frequently, reducing pool water loss through evaporation, and upgrading to water efficient appliances and landscaping.
How much water the federal government will cut from the state supply also remains unclear. The city is planning ahead of those federal decisions, which is why Phoenix introduced the new Secure Water Arizona Program SWAP at a city council meeting on April 28, 2026.
The SWAP program will create an emergency reserve of water and connect cities that are interested in buying and selling water from other cities and businesses. SWAP is a project that will allow folks throughout the state to be able to work together on solving water problems, Wilson said. At the end of the day, what it will do is give Arizona the tools that it needs to ensure that there are no wet water emergencies in central Arizona.
The city is also pursuing five major strategic approaches simultaneously: storing unused water underground for future use, expanding infrastructure to move water across the system, developing additional groundwater capacity, investing in renewable surface water supplies, and participating in basin wide negotiations for a new post 2026 operating framework for the Colorado River.
It's not an acknowledgment of we're done in Phoenix. It's more of an acknowledgment of what do we need to do to stay sustainable, to stay a very robust city and region, Campbell said.
The Geographic Divide Where Risk Is Not Equal
This is the most important section for anyone buying a home in the Phoenix metro area, and it is the section that most general Arizona water articles completely miss.
Water risk in the Phoenix metro is not uniform. It varies dramatically based on geography, water source diversification, and the planning history of specific communities. The established core cities of the Phoenix metro, Phoenix proper, Scottsdale, Gilbert, Chandler, Mesa, Tempe, Peoria, and Glendale, are in a meaningfully stronger position than smaller, more recently developed communities on the outer edges of the metro.
The Cave Creek example is the most vivid illustration of this divide. The Town of Cave Creek gets 95% of its water supply from the Colorado River through the Central Arizona Project canal. Town officials say they can keep taps flowing for the next five to eight years and are looking for long term solutions to water cuts. Those long term fixes are likely to be complicated and expensive.
Climate change and a 26 year megadrought have crippled the river, which supplies nearly 40 million people across seven Western states and Mexico. Negotiations about how to share its shrinking supply are stuck at an impasse, and the federal government has proposed steep cutbacks to protect the nation's largest reservoirs.
Cave Creek is not an isolated case. Any community that draws the majority of its water from a single source, particularly the CAP canal, faces a more uncertain future than cities with diversified portfolios. This includes some smaller communities in the West Valley and outer edge development areas.
East Valley communities benefit from better aquifer access. The west side does not, a geographic divide that will intensify as surface water supplies tighten.
For buyers targeting established East Valley communities, Gilbert, Chandler, Mesa, Scottsdale, this geographic advantage is real and meaningful for long term water security. For buyers considering outer edge communities, especially those on the western periphery of the metro, the question of water source diversification deserves specific research before purchasing.
What Phoenix Is Doing Long Term The Recycled Water Future
One of the most significant long term investments Phoenix is making is in advanced water purification, converting highly treated wastewater into purified drinking water, a process that cities like San Diego, Los Angeles, and Singapore have already implemented successfully.
Phoenix has been developing this infrastructure and expects to bring purified recycled water online for drinking by approximately 2029. When operational, this system will add a significant and drought independent water source to Phoenix's portfolio, water that is produced locally, regardless of what happens to the Colorado River or seasonal snowpack.
This is not a speculative future plan. The infrastructure investment is underway, the technology is proven, and the timeline is defined. For long term residents of Phoenix, this represents a meaningful expansion of the city's water independence from any single external source.
Arizona is also one of the most sophisticated states in the country when it comes to water banking, storing water underground during wet years for use during dry years. The state has been banking Colorado River water in underground aquifers since the 1990s, and those banked reserves represent a significant buffer against short term surface water shortages.
What Higher Water Costs Mean in Practice
The expert consensus is clear: taps will not run dry in established Phoenix communities. What will change is cost. Water rates in Phoenix are going up, surcharges for above threshold usage are coming, and the era of inexpensive desert water is ending.
What does that mean practically for homeowners? Budget for gradual increases in your water bill over the coming years. The specific amount is impossible to predict with precision because it depends on federal decisions about Colorado River allocations that haven't been finalized. But directionally, water is becoming more expensive in Arizona, and that trend is likely to continue for the foreseeable future.
The behavioral changes that Drought Stage 2 will encourage or require are things that experienced Arizona residents already practice to varying degrees: desert adapted landscaping instead of thirsty grass, drip irrigation systems, pool covers to reduce evaporation, low flow fixtures, and reduced outdoor watering frequency. Many of these changes actually reduce utility costs even before any surcharges are applied, because they reduce the water use that drives those bills.
For home buyers, this has a practical implication: homes with desert landscaping, xeriscape, and water efficient irrigation are going to look increasingly attractive compared to homes with large grass lawns. If you're buying a home with a large grass lawn, factor in the cost of converting to xeriscape over time, both for water savings and for eventual compliance with any future conservation requirements.
What This Means for Home Buyers The Practical Takeaway
Here is the straightforward guidance I give my clients when they ask about water:
Ask specifically about the water source for any city or community you're seriously considering. Established cities with diversified water portfolios, Phoenix, Gilbert, Chandler, Scottsdale, Mesa, Tempe, have significantly more water security than smaller or more rural communities that depend heavily on a single source. This is not a subtle distinction. It is a material factor in the long term livability and property value of a home.
Target East Valley communities for the best water security fundamentals. The geographic advantage of better aquifer access in the East Valley is real and is likely to become more meaningful as surface water supplies tighten over the next decade.
Budget for higher water costs going forward. Whatever your current monthly water bill assumption is, plan for it to increase over time. This does not change the fundamental financial advantage of Arizona over California, water costs are still dramatically lower than utility costs in most California markets overall, but it is a budget reality to acknowledge.
Ask your agent about a home's landscaping before you buy. A home with established desert landscaping and drip irrigation is going to perform better financially and practically in a water constrained future than one with a large grass lawn that requires frequent irrigation. This is becoming an increasingly important factor in Arizona real estate value.
Don't let water anxiety drive you to avoid Arizona altogether. The water situation is serious and deserves honest acknowledgment, but the cities of the established Phoenix metro are not facing an imminent crisis. They are facing a long term management challenge that the city's leadership, water engineers, and policy makers have been preparing for and investing in for decades. The response is not paralysis, it's adaptation.
The Bottom Line Real Risk, Real Planning, Real Nuance
Arizona's water story in 2026 is genuinely complex, and anyone who tells you it's either no problem or catastrophic is oversimplifying. The honest picture:
The Colorado River is under severe stress that is not going to resolve quickly. Federal cuts are coming and will reduce Arizona's allocation meaningfully. Phoenix anticipates entering Drought Stage 2 water warning status by end of 2026. Water costs are going up.
At the same time: established Phoenix metro cities have diversified water sources, decades of water banking reserves, significant infrastructure investment underway, and expert consensus that taps are not going dry. The city is actively innovating toward a more water independent future with recycled water systems and expanded groundwater capacity. The geographic divide between well positioned established cities and more vulnerable outer edge communities is real and navigable with proper research.
The ways that you choose to use and conserve water will be integral to our ability to live in a world with less Colorado River water, Wilson added.
That is the honest framing for anyone moving to Arizona in 2026. Water is a factor. It is a manageable factor in the right communities with the right information. It deserves to be part of your home buying research and it shouldn't stop you from making a move that makes sense for your family's future.
Frequently Asked Questions Arizona Water Supply
Will Phoenix run out of water?
No, not in any near term timeframe. Expert consensus from water policy researchers is clear that established Phoenix communities are not facing an imminent supply crisis. The challenge is managing a long term reduction in Colorado River supply through diversification, conservation, and new sources like recycled water. Higher costs and conservation requirements are coming. Dry taps in established Phoenix cities are not.
Which Arizona cities are most at risk from water shortages?
Smaller communities on the outer edges of the metro that rely heavily on Colorado River water through the CAP canal, like Cave Creek, are in the most precarious position. Established core cities with diversified water sources, Phoenix, Scottsdale, Gilbert, Chandler, Mesa, are in a significantly stronger position.
Should water concerns affect where I buy in Phoenix?
Yes, it should be a factor in your research, particularly regarding which specific city and community you choose. East Valley communities with better aquifer access and established cities with diversified water portfolios are better positioned than single source dependent communities on the outer metro edges.
What is the Secure Water Arizona Program SWAP?
SWAP is a new water sharing framework launched by Phoenix and Tucson in April 2026, designed to create an emergency reserve of water and connect cities that want to buy and sell water from each other. It's a proactive response to anticipated Colorado River cuts and is designed to prevent any wet water emergencies in central Arizona.
Is Arizona's water situation worse than California's?
Both states face significant Colorado River challenges. California also draws heavily from the Colorado River and has faced its own severe drought conditions. The difference is that Arizona has invested heavily in water banking and diversification infrastructure that gives established cities real buffers. Neither state has an easy path forward, but established Phoenix communities are not in a worse position than most major California metros.
What does Drought Stage 2 mean for Phoenix homeowners?
Drought Stage 2, which Phoenix anticipates entering by end of 2026, is likely to mean voluntary conservation requests, surcharges on high water usage, expanded conservation rebates, and expanded water audits. It does not mean supply interruption or rationing of essential water use.
Have Questions About Buying in Arizona?
Water is one of many important factors in finding the right home and the right community in Arizona. I help buyers navigate all of it, from water security to school districts to neighborhood character to market timing, every single day. If you want an honest conversation about what buying in Arizona looks like for your specific situation, I'm here.
Let's find the place where your family puts down roots.
Alejandra Paladino REALTOR®
Call or Text: 480.382.0519
Email Me At: alejandra@azalejandra.com
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