POWER OF ATTORNEY

        Know all by these presents that the undersigned hereby constitutes and
appoints each of Steven R. Carn, Michael Slattery, Matthew Gunnelson and Jeffrey
C. Everett, signing singly, the undersigned's true and lawful attorney-in-fact
to:

    (1) execute for and on behalf of the undersigned, in the undersigned's
        capacity as an officer and/or director of ADS Waste Holdings, Inc. (the
        "Company") or otherwise, Forms 3, 4 and 5 in accordance with Section
        16(a) of the Securities Exchange Act of 1934 and the rules thereunder
        and Forms 144 under the Securities Act of 1933 and the rules thereunder
        and Form ID and related forms for receiving and maintaining EDGAR codes
        (a filing to be made using any such form is referred to below as a
        "Form");

    (2) do and perform any and all acts for and on behalf of the undersigned
        which may be necessary or desirable to complete and execute any such
        Form, complete and execute any amendment or amendments thereto, and
        timely file such Form with the United States Securities and Exchange
        Commission and any stock exchange or similar authority; and

    (3) take any other action of any type whatsoever in connection with the
        foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power of
        Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such
        attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 and no longer
required to file Form 144s with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 15th day of November, 2015.

                                        /s/ Christopher Beall
                                        ----------------------------------------
                                        Christopher Beall