Walla Walla Water Watcher


Facts and tips on water usage and conservation are presented weekly by the city of Walla Walla, in partnership with Walla Walla Community College and the Walla Walla Union-Bulletin.

Precipitation and moisture

Last July: .18 inches.

This July so far: .10 inches.

Soil moisture content: Normal.

Chinook salmon return numbers

Total returning adult Chinook salmon in the Walla Walla River counted at Nursery Street Bridge in Milton-Freewater, as of July 11, 2010, are 1,156.

Data collected by The Confederated Tribes of the Umatilla Reservation Department of Natural Resources; funding provided by Bonneville Power Administration.

Water usage

This week's average water use by all city customers: 19.14 million gallons per day

Last week's average water use: 17.92 million gallons per day.

Water use guidelines

For the week of July 9-July 15, precipitation was .00 inches and turf grass in the area used 2.30 inches of moisture, according to WSU AgWeathernet data. Home irrigators should have run spray type systems six times for 15 minutes and rotor type systems six times for 58 minutes.

Recommended sprinkler run times are based on average precipitation rates of 1.5 inches an hour for sprays and .4 inches an hour for rotors. Adjust accordingly for your own application.

Yard care and water savings tips

  • Share water conservation tips with friends and neighbors.
  • Use a hose nozzle or turn off the water while you wash your car. You'll save up to 100 gallons every time.
  • Make suggestions to your employer about ways to save water and money at work.
  • Direct water from rain gutters and HVAC systems toward water-loving plants in the landscape for automatic water savings.
  • Drop your tissue in the trash instead of flushing it and save water every time.
  • Wash your car on the lawn, and you'll water your lawn at the same time.


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