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Assigned-Day Watering

When You Can Water Your Lawn in the Reno Area


Assigned-day watering in Reno, Nevada

Assigned-day watering in Reno, Nevada.

Photo © Stan White

Watering only on your assigned days helps conserve water and allows all Reno area residents to share our precious, but not unlimited, water supply.

What is Assigned-Day Watering?

Assigned-day watering is a way of sharing the available water within the service area of the Truckee Meadows Water Authority (TMWA). It spreads out demand on the system and ensures that everyone has a chance to sufficiently water lawns and landscaping. The system helps keep the cost of supplying clean water down, allows TMWA to better meet demand, and lessens the need to expand the water supply system.

What is My Watering Day?

Starting in 2010, the number of assigned watering days per week increased from two to three. This change was made because virtually all TMWA customers are now on water meters rather than being billed at a flat rate. Metering makes people more conscious of their water use, helps prevent waste, and bills people for what they actually use.

Watering days are based on the address. Here are the watering rules that apply to both homes and businesses.
  • Address ends in an even number: water on Tuesdays, Thursdays, and Saturdays.
  • Address ends in an odd number: water on Sundays, Wednesdays, and Fridays.
  • No watering for anyone on Mondays.
  • No watering between noon and 6 p.m. from Memorial Day through Labor Day.
  • Don't water during the heat of the day or when it's windy.
  • It's okay to hand water vegetables, trees, shrubs, and flowers any day.
  • Get more details from Assigned-Day Watering.
  • Learn more about keeping your yard green with the Guide to Assigned-Day Watering and Lawn Care in the Truckee Meadows.

Report Water Wasters

Blatantly wasting water really isn't an option in Reno's desert climate (we average only 7 inches of precipitation a year). If you are aware of a water wasting situation, you can report it online to TMWA. You can also describe the issue by calling the TMWA conservation hotline at (775) 834-8005 at any time.

Source: Truckee Meadows Water Authority (TMWA).

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