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What You Need to Know About Denver's Summer Water Use Rules

Posted on April 30, 2024   |   Updated on September 30, 2025
Peyton Garcia

Peyton Garcia

a sprinkler system waters green grass

Denver’s summer watering rules go into effect this week! (Chris Clor / Getty Images)

Even though the weekend’s persistent showers brought us some promising springtime moisture, the usual hot, dry Mile High summer is just around the corner, and it’s important to note that Denver’s seasonal water use rules go into effect tomorrow. Here’s what you need to know:

  • Denver watering restrictions run May 1 through Oct. 1
  • Lawn watering is NOT allowed between 10 a.m. and 6 p.m.
  • Limit your lawn watering to absolutely no more than 3 days per week
  • Do not let your water spray on concrete or asphalt
  • You must repair sprinkler leaks within 10 days
  • Report water waste online or by calling Denver Water at 303-893-2444
  • You can request an exemption from Denver’s watering rules if you have newly planted seed or sod
a chart on efficient lawn watering from Denver Water

How to water your lawn efficiently! (Via Denver Water)

Other Water Conservation Tips

  • Long grass is more efficient — keep cool season grasses like Kentucky bluegrass between 2.5-3.5 inches and warm season grasses between 1-3 inches.
  • Check out the chart above from Denver Water on how many minutes your lawn / trees need to be watered depending on the time of year.
  • Check out these tips for conserving water around the house
  • Related: Listen to our podcast episode “Is Colorado on Its Way to a True Water Crisis?”

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