Description of the Company and Basis of Presentation

12 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of the Company and Basis of Presentation

Description of the Company and Basis of Presentation

Background

Evoqua Water Technologies Corp. (referred to herein as the “Company” or “EWT”) is a holding company and does not conduct any business operations of its own. The Company was incorporated on October 7, 2013. On January 15, 2014, the Company acquired, through its wholly owned subsidiaries, EWT Holdings II Corp. (“EWT II”) and EWT Holdings III Corp. (“EWT III”), the Water Technologies business unit formerly owned by Siemens AG (“Siemens”). On November 6, 2017, the Company completed its initial public offering (“IPO”).

On December 4, 2020, the Company completed a secondary public offering, pursuant to which 12,000 shares of common stock were sold by certain selling shareholders. On February 11, 2021, the Company completed an additional secondary public offering, pursuant to which 16,383 shares of common stock were sold by certain selling shareholders. Upon completion of these offerings, AEA Investors LP disposed of all of their shares of the Company’s common stock. The Company did not receive any proceeds from the sale of shares by the selling shareholders in either of these secondary public offerings.

The Business

EWT provides a wide range of product brands and advanced water and wastewater treatment systems and technologies, as well as mobile and emergency water supply solutions and service contract options through its branch network. Headquartered in Pittsburgh, Pennsylvania, EWT is a multinational corporation with operations in the United States (“U.S.”), Canada, the United Kingdom (“UK”), the Netherlands, Germany, Australia, the People’s Republic of China, Singapore, the Republic of Korea, and India.

The Company is organizationally structured into two reportable operating segments for the purpose of making operational decisions and assessing financial performance: (i) Integrated Solutions and Services and (ii) Applied Product Technologies.

Basis of Presentation

The accompanying Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the U.S. (“GAAP”) from the accounting records of the Company and reflect the consolidated financial position and results of operations for the fiscal years ended September 30, 2021, 2020 and 2019. Unless otherwise specified, references in this section to a year refer to its fiscal year. All intercompany transactions have been eliminated. Unless otherwise specified, all dollar and share amounts in this section are referred to in thousands. Certain prior period amounts have been reclassified to conform to the current period presentation. The Company’s fiscal year ends on September 30 of each year and references in this section to a year refer to the Company’s fiscal year. As such, references to: 2021 relates to the fiscal year ended September 30, 2021, 2020 relates to the fiscal year ended September 30, 2020 and 2019 relates to the fiscal year ended September 30, 2019.

Correction of Immaterial Errors

During the quarter ended March 31, 2021, the Company identified errors related to the reporting of tax remittances associated with certain equity awards, resulting in a classification error of $18,669 between additional paid in capital and accumulated other comprehensive loss. Management recorded the correction to additional paid in capital and accumulated other comprehensive balances during the quarter ended March 31, 2021. Management considered both the quantitative and qualitative factors within the provisions of SEC Staff Accounting Bulletin No. 99, Materiality, and Staff Accounting Bulletin No. 108, Considering the Effects of Prior Year Misstatements when Quantifying Misstatements in Current Year Financial Statements. Based on evaluation of the errors, management has concluded that the prior period

errors were immaterial to the previously issued financial statements. As a result of that classification error, management also identified a second, related immaterial classification error for the understatement of net cash provided by operating cash flows of $18,669 and an overstatement of net cash provided by financing activities of $18,669 for the period from October 1, 2019 to September 30, 2020. The Company has elected to voluntarily correct the identified immaterial classification error in the prior period Consolidated Statements of Changes to Cash Flows to enhance comparability. In doing so, balances in the Consolidated Statements of Changes to Cash Flows included in this Form 10-K have been adjusted to reflect the voluntary immaterial classification error correction of $18,669 between financing and operating in the prior period. Future filings that include prior periods will be corrected, as needed, when filed.

The correction of the above classification errors did not have any effect on the Consolidated Statements of Operations in any of the periods previously presented.