White Mountain Lake is a private reservoir owned by the Silver Creek Irrigation District, and leased by the surrounding community for their private recreational use. The reservoir is located within White Mountain Lake Estates, an unincorporated community and census-designated place in Navajo County, Arizona, United States. Use of the reservoir is restricted to property owners within this special use district.
The community of White Mountain Lake is north-northeast of Show Low. White Mountain Lake has a post office with ZIP code 85912.
As of the census of 2010, there were 2,205 people, 922 households, and 590 families living in the CDP.