Denver’s 2026 Water Restrictions: What They Mean for Home Sprinkler Systems

Denver has enacted its first major drought‑driven watering restrictions in more than a decade, following historically low snowpack and a warm, dry winter. On March 25, 2026, the Denver Board of Water Commissioners formally declared a Stage 1 drought, triggering immediate mandatory reductions in outdoor water use throughout the metro area. 

Why the Restrictions Were Implemented

Water officials cited record‑low mountain snowpack, early melting trends, and declining reservoir levels as the key drivers behind the declaration. Snowpack in the Colorado River Basin and South Platte Basin—two primary watersheds supplying Denver Water—dropped to between 42% and 55% of normal. Reservoir storage has slipped to around 80%, below the historical average of 85% for this time of year. 

What the New Restrictions Require

Stage 1 drought rules reduce the typical 3‑day‑a‑week watering allowance for homes to 2 days per week. The mandatory schedule is:

• Even‑numbered addresses: Sunday & Thursday
• Odd‑numbered addresses: Wednesday & Saturday
• All other customers (multifamily, commercial, HOAs, government): Tuesday & Friday

In addition, all customers must continue following standing watering rules, which include:

• Water only between 6 pm and 10 am
• Do not allow runoff into gutters or streets
• Avoid overspray on concrete or asphalt
• Fix leaking sprinkler systems within 10 days
• Do not irrigate during rain or high winds
• Use hose nozzles with shut‑off valves when washing vehicles

Denver Water has indicated that enforcement and potential fines will accompany the new rules. Officials are also evaluating premium drought pricing for heavy outdoor water users, though indoor use would not be affected. 

*NOTE: water restrictions are subject to change and regional considerations – please visit DenverWater.org for the latest information and updates.

Implications for Residential Sprinkler Systems

Homeowners will feel the effects of the Stage 1 declaration most directly through limitations on lawn irrigation. Officials emphasized several key expectations for residential sprinkler use this spring and summer:

Implement less frequent watering and adjust your system accordingly

Moving from 3 watering days per week to 2 means homeowners may need to:

• Adjust controller runtimes
• Modify watering zones to increase efficiency
• Prioritize deep, infrequent watering over short, daily cycles

Water managers recommend using soil‑moisture checks and cycle‑and‑soak programming to minimize waste while maintaining turf health.

Prepare for stricter monitoring and possible penalties

Denver Water is developing enforcement plans, including warnings and fines for watering outside designated days. Sprinkler systems should be monitored to prevent overspray, leaks, or runoff—any of which could draw penalties under the new rules. 

System maintenance becomes more important

Because leaks must now be repaired within 10 days, homeowners should consider early‑season system inspections, including:

• Checking sprinkler heads for damage
• Testing pressure regulation
• Ensuring system coverage avoids hardscape areas 

A Broader Push Toward Long‑Term Conservation

Denver Water officials praised residents for decades of water‑use reductions but stressed that shifting climate patterns require continued vigilance. This year’s restrictions may represent only the beginning of a multi‑year effort to stabilize supply amid persistent drought in the region. As Board President Tyrone Gant noted, while this isn’t the city’s first drought, “we need everyone to help out this summer in case drought conditions persist into next year and beyond.”

Optimizing your irrigation system can SAVE WATER, and money!

SCHEDULE A FREE SPRINKLER SYSTEM INSPECTION TODAY