Colo. Rev. Stat. § 37-44-141
The board of directors has the dominant power to construct said works across any stream of water, watercourses, street, avenue, highway, railway, canal, ditch, or flume which intersects or crosses the area covered by such works or reservoir site, and, if said board and such railroad company or the owners and controllers of said property, thing, or franchise so to be crossed cannot agree upon the amount to be paid therefor, or the points or the manner of said crossing, the same shall be ascertained and determined in all respects as is provided in respect to the taking of land for public uses. The right-of-way is hereby given, dedicated, and set apart to locate, construct, and maintain said works or reservoirs over, through, or upon any of the lands which are the property of the state.
C.R.S. § 37-44-141