Denver Watering Restrictions

Water Restrictions in DenverColorado’s semi-arid climate means we all must take responsibility to ensure sufficient water supplies will be available well into the future.Now that we are in the midst of summer, for Denver residents that means following the city’s 2016 rules for water usage. These restrictions are enforced from May 1 to October 1 and breaking them can mean you are liable to fines.

The Denver Water Rules Are:

  • Water during cooler times of the day — lawn watering is not allowed between 10 a.m. and 6 p.m.
  • Water no more than three days per week.
  • 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.

If you have new seed or sod, you can water as necessary for up to 21 days. After 21 days, routine watering is limited to no more than three days per week and not between 10 a.m. and 6 p.m. To submit your request for a 21-day watering exemption, call 303-893-2444 or email To request a watering exemption, the newly landscaped area should be 250 square feet or larger.

Lawn watering times and durations can be found in the chart below from The durations are only averages and should be adjusted based on type of grass or plants, sunny or shady location, and rainfall. Watering two days a week should be enough but a third time may be necessary in periods of extreme heat or dryness. Remember not to water between 10 a.m. and 6 p.m. There are no assigned watering days but never water more than three days a week.

Denver Watering Schedule

To report water waste in Denver Parks, call 3-1-1. To report water waste anywhere else, call Denver Water at 303-893-2444.

The Denver Water official website gives some tips for saving water. You can even sign up here for monthly tips on reducing outdoor water usage and lowering your water bill to be emailed to you. Check out the below tips and tricks:

  • Add a layer of organic mulch around plants and trees to reduce evaporation and save hundreds of gallons of water a year.
  • Amending the soil with compost prior to planting will help to establish new plant material more successfully.
  • Add multiple watering start times and reduce each zone’s watering time to allow the soil time to soak up the water.
  • If you are adding or replacing flowers, shrubs, trees or turf, choose low-water loving species
  • If you′re going on vacation, ask a neighbor to keep an eye on your irrigation system. Power outages can reset your sprinklers and cost you money.
  • Adjust your irrigation timers each month to account for weather and precipitation changes.
  • Track your water usage over time to stay alert to unusual changes that may signal a leak or other water wasting problems.
  • Reducing the number of times you run your garbage disposal can save water indoors. Compost your non-salty, non-greasy, non-dairy foods.
  • Towards the end of summer as the temps cool and days get shorter, reduce the number of minutes you water your lawn. Skip watering on rainy days.
  • Invest in a Rotary/High-Efficiency Nozzle. Instead of a fixed stream of water, rotary/high-efficiency nozzles slowly deliver multiple rotating streams of water which reduces water waste. Because the water is applied more slowly, more water is able to soak into the soil. Denver Water offers a $3 rebate per rotary/high-efficiency nozzle, with a minimum purchase of 10 nozzles.

If you have any questions about irrigation systems and how we can help you to maximize the efficiency of your sprinkler system, please call Omni Sprinkler Service & Landscaping at 303-781-3711 or email us at

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