Exhibit 24.1
LIMITED POWER OF ATTORNEY
FOR SEC REPORTING OBLIGATIONS

Effective July 29, 2024 (the "Effective Date"), the undersigned
hereby constitutes, and appoints each of Stacy A. Mitchell,
Jeffrey M. Taylor and Justin B. Ettelson, or any of them acting
singly, with full power of substitution, as the undersigned's
true and lawful attorney-in-fact to, beginning on and as of the
Effective Date:

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 promulgated under 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-in-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 29th day of July,
2024, to be effective as of the Effective Date.



/s/ David Bowler
(Signature)


David Bowler
(Printed Name)