Exhibit 21.1
American Water Works Company, Inc.’s Subsidiaries
As of February 15, 2023
Entity Name | Entity Type | Jurisdiction of Organization | ||||||||||||
American Industrial Water LLC | Limited Liability Company | Ohio | ||||||||||||
American Lake Water Company | Corporation | Illinois | ||||||||||||
American Water – Acciona Agua LLC | Limited Liability Company | Delaware | ||||||||||||
American Water (USA), LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Canada Corp. | Corporation | Ontario | ||||||||||||
American Water Capital Corp. | Corporation | Delaware | ||||||||||||
American Water Enterprises Holding, LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Enterprises, LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Defense Services, LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Federal Services, LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Military Services, LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Operations and Maintenance, LLC | Limited Liability Company | Texas | ||||||||||||
American Water Real Property Holdings LLC | Limited Liability Company | Delaware | ||||||||||||
American Water Services CDM, Inc. | Corporation | Washington | ||||||||||||
American Water Works Service Company, Inc. | Corporation | Delaware | ||||||||||||
AW Insurance LLC | Series Limited Liability Company | Delaware | ||||||||||||
AWIP Holdings LLC | Limited Liability Company | Delaware | ||||||||||||
AW Technologies, LLC | Limited Liability Company | Delaware | ||||||||||||
Bluefield Valley Water Works Company | Corporation | Virginia | ||||||||||||
California-American Water Company | Corporation | California | ||||||||||||
Edison Water Company | Corporation | New Jersey | ||||||||||||
Environmental Disposal Corporation | Corporation | New Jersey | ||||||||||||
Environmental Management, LLC | Limited Liability Company | Missouri | ||||||||||||
E’town Properties, Inc. | Corporation | Delaware | ||||||||||||
E’town Services L.L.C. | Limited Liability Company | New Jersey | ||||||||||||
Georgia-American Water Company LLC | Limited Liability Company | Delaware | ||||||||||||
Hawaii-American Water Company | Corporation | Nevada | ||||||||||||
Illinois-American Water Company | Corporation | Illinois | ||||||||||||
Indiana-American Water Company, Inc. | Corporation | Indiana | ||||||||||||
Iowa-American Water Company | Corporation | Delaware | ||||||||||||
Kentucky-American Water Company | Corporation | Kentucky | ||||||||||||
Laurel Oak Properties Corporation | Corporation | Delaware | ||||||||||||
Liberty Water Company | Corporation | New Jersey | ||||||||||||
Maryland-American Water Company | Corporation | Maryland | ||||||||||||
Missouri-American Water Company | Corporation | Missouri | ||||||||||||
New Jersey-American Water Company, Inc. | Corporation | New Jersey | ||||||||||||
One Water Street LLC | Limited Liability Company | New Jersey | ||||||||||||
Pennsylvania-American Water Company | Corporation | Pennsylvania | ||||||||||||
Prism-Berlie (Windsor) Limited | Corporation | Ontario | ||||||||||||
Tennessee-American Water Company | Corporation | Tennessee | ||||||||||||
TWH LLC | Limited Liability Company | Delaware | ||||||||||||
TWNA, Inc. | Corporation | Delaware | ||||||||||||
Virginia-American Water Company | Corporation | Virginia | ||||||||||||
West Virginia-American Water Company | Corporation | West Virginia |