Attached files

file filename
10-K - FORM 10-K - American Water Works Company, Inc.d10k.htm
EX-32.2 - SECTION 906 CFO CERTIFICATION OF ELLEN C. WOLF - American Water Works Company, Inc.dex322.htm
EX-31.1 - SECTION 302 CERTIFICATION OF CEO DONALD L. CORRELL - American Water Works Company, Inc.dex311.htm
EX-10.1 - EMPLOYMENT AGREEMENT - American Water Works Company, Inc.dex101.htm
EX-21.1 - AMERICAN WATER WORKS COMPY, INC. AND ITS SUBSIDIARIES OWNERSHIP SCHDULE - American Water Works Company, Inc.dex211.htm
EX-10.2C - SECOND AMENDMENT TO CHANGE IN CONTROL AGREEMENT - American Water Works Company, Inc.dex102c.htm
EX-10.2B - FIRST AMENDMENT TO CHANGE IN CONTROL AGREEMENT - American Water Works Company, Inc.dex102b.htm
EX-10.2D - THIRD AMENDMENT TO CHANGE IN CONTROL AGREEMENT - American Water Works Company, Inc.dex102d.htm
EX-32.1 - SECTION 906 CEO CERTIFICATION OF DONALD L. CORRELL - American Water Works Company, Inc.dex321.htm
EX-10.2A - CHANGE IN CONTROL AGREEMENT - American Water Works Company, Inc.dex102a.htm
EX-31.2 - SECTION 302 CFO CERTIFICATION OF ELLEN C. WOLF - American Water Works Company, Inc.dex312.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-150381) and Form S-3 (No. 333-158949-01) of American Water Works Company, Inc. of our report dated March 1, 2010 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/    PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania

March 1, 2010