Within the suburb is the Happy Valley Reservoir accompanied by South Australia's largest water treatment plant, responsible for supplying water to much of the Adelaide metropolitan area.

Crawling Valley Reservoir, or Barkenhouse Lake, is a reservoir in Alberta.

Happy Valley Reservoir is opened.

In 1896, quality of the local cement appeared solid, with the product being used in the construction of the Happy Valley Reservoir.

Probably skunks, as they frequent other similar high mountain lakes, such as Lost Valley Reservoir (AKA Lost Lake)

The Happy Valley Reservoir is a water reservoir located in Adelaide, Australia.

Joe's Valley is a large concentration of sandstone boulders East of the Joe's Valley Reservoir near Orangeville, Utah.

From the weir water is directed onwards to Happy Valley Reservoir in the Field River catchment through pipeline.

Prior to the construction of the Myponga Water Treatment Plant in 1993, water from Myponga was used to supplement that of Happy Valley Reservoir.

A pumping station and transfer pipeline (to take the desalinated water to the Happy Valley Reservoir to be blended with the water supply)