Denver Water supply and water use update

Denver Water’s collection and service areas continue to face severe drought conditions, with historically low snowpack. Denver Water depends on mountain snowpack for its water supply, which serves 1.5 million people in Denver and surrounding suburbs.

As a result, on March 25, 2026, the Denver Board of Water Commissioners declared a Stage 1 drought, seeking a 20% reduction in water use to preserve water levels and avoid even stricter mandatory restrictions later this summer.

Customers are urged not to turn on automatic sprinkler systems until at least mid- to late-May, or later if possible. It is not necessary to water grass two days per week in April and the beginning of May; keeping automatic systems off will help save water. Occasional hand-watering may be necessary for trees and shrubs during this time. Keep an eye on the weather and let Mother Nature do the watering when she delivers spring rains.

Snowpack and water supply update

• In Denver Water’s collection system, snowpack as of April 6, 2026, remained at the lowest levels observed in the past 40 years:
  • Colorado River Basin: 46% of normal, second worst on record. 
  • South Platte River Basin: 4% of normal, worst on record.
• Snowpack and melting conditions are unprecedented, with accelerated melting seen since mid-March. Customers need to save water to protect the supply we have right now.
• Streamflow forecasts are calling for runoff levels to be 10-40% of normal in 2026.
• Reservoir storage conditions are below average; while in reasonably good shape for the time being, far less snowpack is available to help refill them. As of April 6, 2026, reservoirs were 80% full, versus an average of 85% full for this time.

Water use and conservation update

• Comment from Greg Fisher, Denver Water's manager of demand planning and efficiency:

“At this point, we don’t expect conditions to improve significantly. That’s why we’re seeking a 20% reduction in water use across our entire service area. Our customers have done an incredible job reducing water use over the last several decades and we know they can meet this challenge. It's imperative that our customers work to achieve these water savings so we don't need to increase restrictions later this summer.”

• Customers can do their part by making water-efficient upgrades, inside and outside, including rethinking their yards. These steps preserve water supplies and create more adaptable and drought-resilient landscapes that fit naturally into our climate. Read on TAP: Simple strategies to save water at home.

• Customers are urged not to turn on automatic sprinkler systems until at least mid- to late-May, or later if possible. When watering season begins, Denver Water will require customers in single-family residential properties to limit watering to no more than two days per week on a set schedule based on their address.

  • Addresses ending in even numbers: Sunday and Thursday.
  • Addresses ending in odd numbers: Wednesday and Saturday.

  • All other customers, including multifamily properties, commercial properties, homeowners associations and government properties, may water only on Tuesdays and Fridays.

• In addition, customers will be required to follow Denver Water’s annual summer watering rules:

  • Water only during cooler times of the day, between 6 p.m. and 10 a.m.

  • Do not allow water to pool in gutters, streets and alleys.

  • Do not waste water by letting it spray on concrete and asphalt.

  • Repair leaking sprinkler systems within 10 days.

  • Do not irrigate while it is raining or during high winds.

  • Use a hose nozzle with a shut-off valve when washing your car.

For its part, Denver Water has proactively reduced its spending, taking steps that include enacting a hiring freeze and reviewing maintenance and other projects to see which ones could be deferred. We are also looking into other ways to increase supply by activating agreements that allow us to capture additional water that is typically unavailable during normal conditions.

This year marks the fifth time since 2000 that Denver Water has issued a Stage 1 drought, and the first since 2013. Prior to 2013, the board declared a Stage 1 drought in 2002, 2003 and 2004.

Denver Water has many resources for homeowners looking for inspiration and information about landscapes that fit naturally into our dry climate. Click here for conservation and efficiency tips for outdoor irrigation and to get more details on ways to ColoradoScape  your property, including through rebates for turf removal and a DIY guide for landscape changes, among many other potential water-saving steps.

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