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GIS Facts & Statistics

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GIS is used to track many different City of Walla Walla assets. In many cases, both the spatial component and the attribute information are housed in the GIS database (for example, the x & y location and information about the asset). Examples of assets housed in GIS include roads, street signs, traffic signals, water lines, and properties. Each asset has a spatial location and may be related to other assets, called a spatial relationship. A GIS system helps manage these spatial relationships. Below are facts and statistics garnered from assets in the GIS database in August, 2018:

  • The City of Walla Walla corporate city limit is 13.75 sq miles in size.
  • The highest elevation point in the City of Walla Walla is 1,330 ft.
  • The lowest elevation point in the City of Walla Walla is 780 ft.
  • The lowest and highest elevation points are essentially at opposite ends of the eastern and western most points in the city limits.
  • The city owns and maintains 151 miles of active sewer main lines.
  • The city owns and maintains 182 miles of active water main lines.
  • The city owns and maintains 1,206 fire hydrants.
  • The city owns and maintains 135 miles of roads.
  • The city owns and maintains 6,108 street signs.
  • The city owns and maintains 77 signalized intersections and pedestrian crossings.
  • The city owns and maintains 911 street lights.
  • The city manages 11,414 street and park trees.
  • The city manages and maintains 18 parks which cover 618 acres within the city limits. This includes Mountain View Cemetery.

Walla Walla Asset Detail Map

Assets can be dynamic, which means they can and do change. For example, a water line may be replaced or added on to, or a street sign may be moved or replaced. With that said, these numbers are accurate only at the time they were queried, but provide a good example of what the city's GIS manages and maintains.

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