Exhibit 107.1

Calculation of Filing Fee Tables

Form S-3

(Form Type)

AMERICAN WATER WORKS COMPANY, INC.

(Exact Name of Registrant as Specified in its Charter)

Table 1: Newly Registered and Carry Forward Securities

Security  Type

Security Class Table

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward

Newly Registered Securities

Fees to be Paid

Fees Previously Paid

Carry Forward Securities

Carry Forward Securities

Equity

Common Stock, par value $0.01 per share

415(a)(6)

4,266,065 shares (1)

$89,949,981

S-3

333-229994

March 1, 2019

$6,569.33

Total Offering Amounts

$89,949,981

(2)

Total Fees Previously Paid

(2)

Total Fee Offsets

—

Net Fee Due

$0.00 (2)

(1)    Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the “Securities Act”), this registration statement also covers such additional securities as may become issuable as a result of a stock split, stock dividend or similar transaction.

(2)    Pursuant to Rule 415(a)(6) under the Securities Act, 4,266,065 shares of American Water Works Company, Inc.’s common stock registered hereunder are unsold securities previously registered on Registration Statement No. 333-229994 filed on March 1, 2019 (the “Prior Registration Statement”). Pursuant to Rule 415(a)(6) under the Securities Act, the $6,569.33 filing fee previously paid in connection with such unsold securities will continue to be applied to such unsold securities. Pursuant to Rule 415(a)(6) under the Securities Act, the offering of unsold securities under the Prior Registration Statement will be deemed terminated as of the date of effectiveness of this registration statement.