C.R.S. § 30-20-108

(1) An approved solid wastes disposal site and facility may be operated by any person pursuant to contract with any governmental unit. (2) Any municipality or county acting by itself or in association with any other such governmental unit may establish and operate an approved site and facility under such terms and conditions as may be approved by the governing bodies of the governmental units involved. (3) Any county or municipality acting by itself or in association with any other such governmental unit may acquire by condemnation such sites as are needed for trash disposal purposes.