An underground grid storage project is planned near the Whirlwind Substation.

[5] Willow Springs were used pre-settlement as a water source for indigenous people.

[3] The springs were visited by Father Garces, John C. Frémont, and 19th migrants on route through the Death Valley.

[4][3] Most of the masonry buildings were built around 1900 by Ezra Hamilton,[4] who had discovered gold in the area.

[4] The California state mining bureau reported in 1915 that Willow Springs was then "owned by E. M. Hamilton Estate" and had a total of 23 springs...Water contains sodium chloride, borates, and other salts.