Buhach is an unincorporated community in Merced County, California.

[1] It is located 2 miles (3.2 km) east-southeast of Atwater,[2] at an elevation of 157 feet (48 m).

[1] The Merced Land and Fruit Company established the Buhach Plantation in the area in 1871.

The plantation farmed pyrethrum, which was used to make an insect powder called Buhach.

Portuguese immigrants settled the area in the mid-1890s, and the company sold them the land which became known as the Buhach Colony.