Exhibit 24


LIMITED POWER OF ATTORNEY
 FOR SEC REPORTING OBLIGATIONS

	The undersigned hereby constitutes, and appoints each of Linda G. Sullivan,
Michael  A. Sgro and
Jeffrey M. Taylor, or any of them acting singly, with full power of
substitution, as the undersigned's true
and lawful attorney-in-fact to:

1.	Prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the
U.S. Securities and Exchange Commission (the "SEC") a Form ID including
amendments thereto,
and any other documents necessary or appropriate to obtain codes, passwords, and

passphrases enabling the undersigned to make electronic filings with the SEC of
reports required
by Section 16(a) of the Securities Exchange Act of 1934, as amended,  and the
rules and
regulations promulgated thereunder, each as amended from time to time ("Section
16(a) and
Related Rules");

2.	Prepare, execute for and on behalf of the undersigned, in the undersigned's
capacity as an
officer and/or director of American Water Works Company, Inc. (the "Company"),
Forms  3, 4,
and 5 in accordance with Section 16(a) and Related Rules, and Form 144 in
accordance with Rule
144 of the Securities Act of 1933, as amended, and the rules and regulations
thereunder (the
"1933 Act"),  including any amendments thereto, relating to the securities of
the Company, and
file the same with the SEC and any securities exchange in accordance with
Section 16(a) and
Related Rules and the 1933 Act, respectively;

3.	Seek or obtain, on behalf of the undersigned, information on transactions in
the Company's
securities from any third party, including brokers, employee benefit plan
administrators and
trustees; the undersigned hereby authorizes any such person to release any such
information to
the attorney-in-fact and approves and ratifies any such release of information;
and

4.	Perform any and all other acts for and on behalf of the undersigned that, in
the discretion of
such attorney-in-fact, are necessary or desirable in connection with the
foregoing.

   The undersigned hereby grants each such attorney-in-fact full power and
authority to do and
perform any and every act and thing whatsoever requisite, necessary or
appropriate 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 present, with full power of substitution,
hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-fact's substitute or
substitutes, shall
lawfully do or cause to be done by virtue of this Limited Power of Attorney.
The undersigned
acknowledges and 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 or the 1933 Act.
   The Limited Power of Attorney shall remain in full force and effect until the
undersigned is no
longer required to file Forms 144, 3, 4, and 5 with respect to the undersigned's
holdings of and
transactions in the Company's securities, unless earlier revoked by the
undersigned in a signed
writing delivered to each such attorney-in fact.  In addition, this Limited
Power of Attorney shall
automatically be revoked as to any attorney-in-fact constituted or appointed
hereunder upon
termination of such person's employment with the Company.  This Limited Power of
Attorney shall
constitute an automatic revocation of any prior Limited Power of Attorney
executed by the
undersigned with respect to the subject matter hereof.
   IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney
to be
executed as of this 5th day of August, 2015.

   	BY: /s/ Karl F. Kurz
   		(Signature)

	_____________________________________________
	Karl F. Kurz