On December 17, 2012, American Water Capital Corp. ("AWCC"), a wholly-owned subsidiary of American Water Works Company, Inc. ("AWWC"), sold $300 million aggregate principal amount of its 4.300% Senior Notes due 2042 (the "Notes") pursuant to an Underwriting Agreement dated December 12, 2012, between AWCC, AWWC and Goldman, Sachs & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated, and RBS Securities Inc. The Notes have the benefit of a support agreement from AWWC (the "Support Agreement"). The Notes and the Support Agreement were registered under the Securities Act of 1933 pursuant to Registration Statement Nos. 333-181155 and 333-181155-01. This Current Report on Form 8-K is being filed to report, as exhibits, certain documents executed in connection with the sale of the Notes.

(d) Exhibits.

Exhibit                                   Description

1.1          Underwriting Agreement, dated December 12, 2012, among AWCC, AWWC and
             Goldman, Sachs & Co., Merrill Lynch, Pierce, Fenner & Smith
             Incorporated, and RBS Securities Inc.

4.1          Officers' Certificate of AWCC, dated December 17, 2012, establishing
             the terms of the Notes

5.1          Opinion and consent of Morgan, Lewis & Bockius LLP with respect to the
             Notes