(70 ILCS 605/2-1) (from Ch. 42, par. 2-1)
    Sec. 2-1. Land may be drained in course of natural drainage.
    Land may be drained in the general course of natural drainage by either open or covered drains. When such a drain is entirely upon the land of the owner constructing the drain, he shall not be liable in damages therefor.
(Source: Laws 1955, p. 512.)