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 May: .84 inches

This May so far: .09 inches

Soil moisture content: Normal

Water usage

This week’s average water use by all city customers: 16.70 million gallons per day.

Yard care

and water savings tips

Flower and vegetable gardens

Prepare new planting beds and gardens by mixing in 1-3 inches of compost.

Pull weeds when they first start growing, while soil is moist and roots are short, before they go to seed.

Buy plants that resist disease and use less water.

Tree and shrub beds

Prepare new tree and shrub beds by mixing compost into the entire bed (not just planting holes). Or plant trees I native soil and mulch well.


Start mowing, about 2 inches high for most lawns. Leave the clippings for free fertilizer.

For lawns in poor condition: aerate, overseed, and top-dress with ½ inch of compost.

Fertilize lawns if needed in May with “natural organic” or “slow release” fertilizer.


Prepare sprinkler systems by testing, adjusting, and repairing leaks.

Lay out soaker hoses in beds, and cover with mulch.

Check soil moisture at plant roots before watering – don’t water until they need it.


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