The Washington Cotton Factory was built in 1865–67 on Mill Creek near Washington, Utah by Mormon settlers to process locally grown cotton for use by the settlers.

The region of the Virgin River valley became known among Mormons as the "Cotton Mission," a project envisioned by Brigham Young to establish Mormon self-sufficiency.

[2] The mill encountered difficulties in finding a reliable supply of raw cotton and suffered from an erratic water flow.

[2] The Washington Cotton Factory was listed on the National Register of Historic Places on April 16, 1971.

This article about a property in Utah on the National Register of Historic Places is a stub.