It was gazetted on 5 January 1888 under the provisions of the District Councils Act 1887[1] and included all the land defined by the hundreds of Black Rock Plain, Coomooroo, Erskine, Pekina, and Walloway in the County of Dalhousie.

It built its own powerhouse in 1923, and was responsible for electricity supply until 1962, when Orroroo was connected to the state grid.

[2] It had also undertaken a tree planting scheme at Orroroo, Pekina, Morchard, Yatina and Black Rock.

[3] In 1923, the municipality covered an area of 322,880 acres, approximately 500 square miles, and comprising the Hundreds of Black Rock Plains, Coomooroo, Erskine, Pekina and Walloway, each hundred having its own ward.

[3] A community library, financed in tandem with the Education Department, was established at the Orroroo Area School in 1981.