| As Of | Filing | | Doc. | | Page | | Title | Docs. |
|---|
| | |  |
| 2/21/24 | | 424B2 | | | | 1 | | About This Prospectus | 3 |
| | | | | | 1 | | About This Prospectus Supplement | 2 |
| 3/26/24 | | DEF 14A | | | | 1 | | American Water Annual Meeting, The | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | American Water Capital Corp | 3 |
| | | | | | 1 | | American Water Works Company, Inc | 3 |
| 3/22/24 | | 11-K | | | | 1 | | And 20 | 1 |
| | | | | | 1 | | And 202 | 2 |
| 2/14/24 | | 10-K | | | | 1 | | And Corporate Governance | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Appendix A -- Non-Gaap Financial Information | 1 |
| | | | | | 1 | | Attending the Virtual Annual Meeting | 1 |
| | | | | | 1 | | Audit, Finance and Risk Committee Report | 1 |
| | | | | | 1 | | Background of the Proposal | 1 |
| | | | | | 1 | | Board Committees | 1 |
| | | | | | 1 | | Board Leadership Structure | 1 |
| | | | | | 1 | | Board of Directors and Corporate Governance | 1 |
| | | | | | 1 | | Board of Directors, The | 1 |
| | | | | | 1 | | Board Refreshment and Director Tenure | 1 |
| | | | | | 1 | | Board Review of Related Person Transactions | 1 |
| | | | | | 1 | | Board Role in Risk Oversight | 1 |
| | | | | | 1 | | Board Role in Succession Planning | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Business | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | CEO Pay Ratio | 1 |
| | | | | | 1 | | Certain Beneficial Ownership Matters | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Certain Relationships and Related Transactions and Director Independence | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Certain United States Federal Income Tax Considerations | 2 |
| 3/26/24 | | DEF 14A | | | | 1 | | Change of Control Provisions in Equity Plans | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Changes in and Disagreements with Accountants on Accounting and Financial Disclosure | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Communications, Shareholder Proposals and Company Information | 1 |
| | | | | | 1 | | Compensation Committee Interlocks and Insider Participation | 1 |
| | | | | | 1 | | Compensation Committee Report | 1 |
| | | | | | 1 | | Compensation Determinations and Pay Competitiveness in 2023 | 1 |
| | | | | | 1 | | Compensation Discussion and Analysis | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Conflicts of Interest | 2 |
| 2/14/24 | | 10-K | | | | 1 | | Consolidated Balance Sheets as of December 31, 202 | 1 |
| 11/1/23 | | 10-Q | | | | 1 | | Consolidated Financial Statements | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Consolidated Statements of Cash Flows for the years ended December 31, 202 | 1 |
| | | | | | 1 | | Consolidated Statements of Changes in Shareholders' Equity for the years ended December 31, 202 | 1 |
| | | | | | 1 | | Consolidated Statements of Comprehensive Income for the years ended December 31, 202 | 1 |
| | | | | | 1 | | Consolidated Statements of Operations for the years ended December 31, 202 | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Contacting Us or Our Transfer Agent | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Controls and Procedures | 4 |
| | | | | | 1 | | Cyber Security | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Date and Time of the Virtual Annual Meeting | 1 |
| 11/1/23 | | 10-Q | | | | 1 | | Defaults Upon Senior Securities | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Delivering Proxy Materials Through Electronic Means | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Description of Awcc Debt Securities and American Water Support Agreement | 3 |
| | | | | | 1 | | Description of Capital Stock | 3 |
| | | | | | 1 | | Description of Depositary Shares | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Description of Pension and Other Retirement Plans | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Description of Stock Purchase Contracts and Stock Purchase Units | 3 |
| | | | | | 1 | | Description of Subscription Rights | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Description of the Employee Deferred Compensation Plan | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Description of the Notes | 2 |
| | | | | | 1 | | Description of Warrants | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Director Compensation | 1 |
| | | | | | 1 | | Director Compensation Table | 1 |
| | | | | | 1 | | Director Criteria, Qualifications, Experience and Diversity | 1 |
| | | | | | 1 | | Director Evaluations and Assessments | 1 |
| | | | | | 1 | | Director Independence | 1 |
| | | | | | 1 | | Director Nominees | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Directors, Executive Officers | 1 |
| | | | | | 1 | | Disclosure Regarding Foreign Jurisdictions that Prevent Inspections | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Equity Compensation Plan Information | 1 |
| | | | | | 1 | | Executive Compensation | 2 |
| | | | | | 1 | | Executive Stock Ownership Guidelines and Stock Retention Requirements | 1 |
| | | | | | 1 | | Executive Summary | 1 |
| 3/22/24 | | 11-K | | | | 1 | | Exhibit Index | 2 |
| 11/1/23 | | 10-Q | | | | 1 | | Exhibits | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Exhibits and Financial Statement Schedules | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Experts | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Explanation of the Proposal | 1 |
| | | | | | 1 | | Fees Paid to Independent Registered Public Accounting Firm | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Financial Statements and Supplementary Data | 1 |
| | | | | | 1 | | Form 10-K Summary | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Forward-Looking Statements | 8 |
| | | | | | 1 | | General | 1 |
| | | | | | 1 | | Governance Policies and Procedures | 1 |
| | | | | | 1 | | Householding of Proxy Materials | 1 |
| | | | | | 1 | | How to Vote Shares Held in Street Name | 1 |
| | | | | | 1 | | How to Vote Shares Registered in Your Own Name | 1 |
| | | | | | 1 | | Information about this Proxy Statement | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Legal Matters | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Legal Proceedings | 4 |
| 3/26/24 | | DEF 14A | | | | 1 | | Limitations on Additional Board Service | 1 |
| | | | | | 1 | | Lobbying Expenditures | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Management's Discussion and Analysis of Financial Condition and Results of Operations | 4 |
| | | | | | 1 | | Market For Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Matters to be Voted on at the Annual Meeting | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Mine Safety Disclosures | 4 |
| 3/26/24 | | DEF 14A | | | | 1 | | Non-Employee Director Stock Ownership Requirements | 1 |
| | | | | | 1 | | Non-Gaap Financial Information | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Notes to Consolidated Financial Statements | 1 |
| 3/22/24 | | 11-K | | | | 1 | | Notes to the Financial Statements | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Ongoing and Post-Employment Arrangements and Benefit Plans | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Other Information | 4 |
| 3/26/24 | | DEF 14A | | | | 1 | | Other Matters | 1 |
| | | | | | 1 | | Other Matters to Come Before the Annual Meeting | 1 |
| | | | | | 1 | | Outstanding Equity Awards at 2023 Fiscal Year-End | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Part I | 1 |
| 11/1/23 | | 10-Q | | | | 1 | | Part I. Financial Information | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Part II | 1 |
| 11/1/23 | | 10-Q | | | | 1 | | Part II. Other Information | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Part III | 1 |
| | | | | | 1 | | Part IV | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Pay Versus Performance | 1 |
| | | | | | 1 | | Pension Benefits at December 31, 2023 | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Plan of Distribution | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Policies Prohibiting Hedging, Pledging, Margining and Short Selling, and with Respect to Rule 10b5-1 Trading Plans | 1 |
| | | | | | 1 | | Political Contribution Policy | 1 |
| | | | | | 1 | | Potential Payments on Termination or Change of Control | 1 |
| 2/20/24 | | S-3ASR | | | | 1 | | Powers of Attorney (included on the signature pages of this registration statement) | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Pre-Approval of Services Provided by Independent Registered Public Accounting Firm | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Principal Accountant Fees and Services | 1 |
| | | | | | 1 | | Properties | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Proposal 1: Election of Directors | 1 |
| | | | | | 1 | | Proposal 2: Vote to Approve, on An Advisory Basis, the Compensation of Our Named Executive Officers | 1 |
| | | | | | 1 | | Proposal 3: Ratification of Appointment of Independent Registered Public Accounting Firm | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Prospectus Supplement Summary | 2 |
| 3/26/24 | | DEF 14A | | | | 1 | | Proxy Access | 1 |
| | | | | | 1 | | Proxy Statement Summary | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Quantitative and Qualitative Disclosures About Market Risk | 4 |
| 3/26/24 | | DEF 14A | | | | 1 | | Recommendation of the Board | 1 |
| | | | | | 1 | | Recovery of Incentive Compensation | 1 |
| 3/22/24 | | 11-K | | | | 1 | | Report of Independent Registered Public Accounting Firm | 2 |
| 2/14/24 | | 10-K | | | | 1 | | Reserved | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Revoking or Changing a Proxy | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Risk Factors | 7 |
| 3/26/24 | | DEF 14A | | | | 1 | | Security Ownership of Certain Beneficial Owners | 1 |
| 2/14/24 | | 10-K | | | | 1 | | Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Security Ownership of Management | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Selling Security Holders | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Shareholder Advisory Votes | 1 |
| | | | | | 1 | | Shareholder Communications to the Board | 1 |
| | | | | | 1 | | Shareholder List | 1 |
| | | | | | 1 | | Shareholder Outreach | 1 |
| | | | | | 1 | | Shareholder Proposals, Proxy Access Deadlines and Director Nominations | 1 |
| | | | | | 1 | | Shares Entitled to Vote | 1 |
| 3/22/24 | | 11-K | | | | 1 | | Signatures | 5 |
| 3/26/24 | | DEF 14A | | | | 1 | | Solicitation of Proxies | 1 |
| 3/22/24 | | 11-K | | | | 1 | | Statements of Changes in Net Income and Plan Equity for the years ended December 31, 202 | 1 |
| | | | | | 1 | | Statements of Financial Condition as of December 31, 202 | 1 |
| 3/26/24 | | DEF 14A | | | | 1 | | Status of Information Included in this Proxy Statement | 1 |
| | | | | | 1 | | Table of Contents | 7 |
| | | | | | 1 | | Tax and Accounting Considerations | 1 |
| | | | | | 1 | | The American Water Annual Meeting | 1 |
| | | | | | 1 | | The Board of Directors | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Underwriting | 2 |
| 11/1/23 | | 10-Q | | | | 1 | | Unregistered Sales of Equity Securities and Use of Proceeds | 3 |
| 2/14/24 | | 10-K | | | | 1 | | Unresolved Staff Comments | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Use of Proceeds | 3 |
| 3/26/24 | | DEF 14A | | | | 1 | | Where to Find More Information | 1 |
| 2/21/24 | | 424B2 | | | | 1 | | Where You Can Find More Information | 3 |
| 2/14/24 | | 10-K | | | | 1 | | (Pcaob Id | 1 |
| | | | | | 1 | | 138 | 1 |
| | | | | | 1 | | 139 | 1 |
| | | | | | 1 | | 140 | 1 |
| | | | | | 1 | | 141 | 1 |
| | | | | | 1 | | 146 | 1 |
| 3/22/24 | | 11-K | | | | 1 | | 202 | 2 |
| 3/26/24 | | DEF 14A | | | | 1 | | 2023 Compensation | 1 |
| | | | | | 1 | | 2023 Grants of Plan-Based Awards | 1 |
| | | | | | 1 | | 2023 Nonqualified Deferred Compensation | 1 |
| | | | | | 1 | | 2023 Option Exercises and Stock Vested | 1 |
| | | | | | 1 | | 2023 Summary Compensation Table | 1 |
