The board of commissioners, acting for and in behalf of the district, shall have the right, power, and authority to purchase, hold, and possess such real estate as may be necessary for the purposes for which the district was organized and, in addition thereto, the district organized hereunder shall have the right of eminent domain. If condemnation proceedings become necessary, such proceedings shall be instituted and conducted in the manner as is now provided by law for such condemnation proceedings.