Are there water restrictions in Phoenix?

There is no permanent, citywide ban on outdoor watering for Phoenix homes as of mid-2026. But the city sets limits by drought stage, and the stage can rise or fall. Phoenix has planned for shortage for decades. It has not had to force household rationing, yet that status is not fixed. The City publishes the current stage on its Drought Dashboard, which is the source to trust.

Because the picture changes, treat any specific rule you read elsewhere as possibly out of date. A neighbor's memory of "no watering on Sundays" or an old news story may not match what is in effect now. Open the City's drought page, confirm the stage, and follow the steps listed there. If you are on a water provider other than the City of Phoenix, such as a private utility or a nearby town, check that provider's own rules, since they can differ.

Even when no mandatory limits apply, the City asks residents to use water wisely all year. Voluntary conservation keeps demand down and helps the region stretch its supply through dry stretches.

It also helps to know how Phoenix would tighten the rules if conditions worsened. The City uses a staged drought plan, where each higher stage adds firmer steps, moving from public requests to save water, toward limits on certain outdoor uses, and in severe cases toward stronger measures. The dashboard names the stage in effect and spells out what that stage asks of residents. Knowing the stage is the difference between guessing and following the actual rule, which matters if a violation could carry a penalty.

Phoenix draws from three sources, and the mix matters because each one carries its own risk. About 60% comes from the Salt and Verde Rivers, delivered through the Salt River Project (SRP). Roughly 40% comes from the Colorado River through the Central Arizona Project (CAP). A smaller share comes from groundwater pumped from local aquifers. The City states its supply is drawn from "the Salt and Verde Rivers, the Colorado River, and groundwater."

The Salt and Verde Rivers are fed by snow and rain in Arizona's central highlands, so their flow depends on local winters. The Colorado River is a much larger, multi-state system that supplies seven states and Mexico. Groundwater acts as a savings account the region tries not to overdraw. Spreading supply across rivers and aquifers means a bad year on one source does not by itself empty the tap, which is a core reason Phoenix has avoided rationing.

This is also why your water is hard. Desert river and groundwater sources pick up minerals, and the USGS classifies water above 180 mg/L of dissolved calcium and magnesium as "very hard." Phoenix water sits in the hard to very hard range, which is a plumbing issue more than a supply issue, covered in our guide on the signs I need water treatment.

The Colorado River has been in a long drought, and reservoir levels at Lake Mead have triggered shortage tier reductions that cut Arizona's allocation. Under agreements among the Colorado River states, when Lake Mead drops below set elevations, the river is declared to be in shortage and water deliveries are reduced in tiers. Arizona, because of how its rights are ranked, absorbs some of the first and largest cuts, and most of those cuts fall on Central Arizona Project water.

The exact tier in force changes from year to year as the federal government reviews lake levels each fall, so this page does not name a current tier as permanent. Check the latest declaration through the City and federal sources before assuming any specific cut applies. The key point for a Phoenix homeowner is that the shortage has mostly reduced water stored for agriculture and replenishment so far, rather than cutting what reaches household taps. That cushion is real but not unlimited, which is why long-term rules and conservation matter.

The City of Phoenix Drought Dashboard ties these conditions to local action. When Colorado River and local river conditions worsen, the City can move to a higher drought stage with tighter rules. That is the link between a far-off reservoir and what you may be asked to do at home.

It is worth separating two timelines. The Colorado River shortage is a slow, multi-year trend, while the City's drought stage can respond to a single dry winter on the Salt and Verde Rivers. Both feed into the same dashboard. So even in a year when Colorado River news sounds stable, a poor local snowpack could still push the City toward more conservation, and the reverse can be true as well. That is one more reason to read the current stage rather than rely on the latest headline you saw.

Arizona limits groundwater pumping in its most populated areas through the 1980 Arizona Groundwater Management Act, enforced by the Arizona Department of Water Resources (ADWR). The Act created Active Management Areas (AMAs), and Phoenix sits inside the Phoenix Active Management Area. Inside an AMA, pumping is measured, permitted, and worked toward a long-term goal of safe yield, meaning the region tries not to take out more groundwater than nature and recharge put back.

One rule has shaped how the metro area has grown. The Assured Water Supply program requires that new subdivisions prove a 100-year water supply before lots can be sold. ADWR describes the goal of the management areas as reaching "safe yield," and the assured supply rule is how that goal reaches new development. In practice, a builder cannot simply plat homes and hope water shows up later. They must demonstrate that water is physically available, legally secured, and continuously available for a century.

For a homeowner, this is reassurance about the long game. It does not mean a single dry year cannot bring restrictions, and it does not replace the Drought Dashboard for today's rules. It means the supply behind your house was vetted before the home was built, and ADWR keeps watching the aquifer.

The fastest savings come from stopping waste you may not see, and most of it is fixable. These steps lower your bill and ease pressure on the regional supply, whether or not restrictions are active.

• Fix leaks first. EPA WaterSense reports that the average home wastes more than 9,300 gallons a year to leaks, and household leaks add up to nearly a trillion gallons nationwide each year. A silent running toilet or a slow drip is often the biggest culprit. Our guides on a high water bill with no visible leak and how to do a water meter leak test walk you through finding it.
• Install efficient fixtures. Look for the WaterSense label on toilets, faucets, and showerheads. A WaterSense toilet uses 1.28 gallons per flush versus up to 6 gallons for an older model, and the savings repeat every flush, every day.
• Water smart outdoors. Outdoor use is a large share of a desert home's water. Run irrigation in the early morning to cut evaporation, group plants by water need, use a smart or weather-based controller, and check drip lines for breaks each season.
• Use full loads. Run dishwashers and clothes washers only when full, and pick efficient appliances when you replace them.

Many of these tasks are simple, but a hidden slab leak under a concrete floor or a failing valve needs a licensed plumber to locate and repair. If your bill climbs with no fixture to blame, that is the signal to call.

Remember that drought rules in Phoenix can change with conditions. Confirm the current restrictions on the City of Phoenix Drought Dashboard before you adjust your watering schedule, and treat that page as the source that overrides anything you read here.