Exhibit 21.1

Aris Water Solutions, Inc.⁽¹⁾

List of Subsidiaries 

Name	Jurisdiction of Organization
829 Martin County Pipeline, LLC	Texas
Clean H2O Technologies, LLC	Delaware
Solaris Midstream DB-NM, LLC	Delaware
Solaris Midstream DB-TX, LLC	Delaware
Solaris Midstream Holdings, LLC	Delaware
Solaris Midstream MB, LLC	Delaware
Solaris Services Holdings, LLC	Delaware
Solaris Water Midstream, LLC	Delaware
Solaris Water Midstream Services, LLC	Delaware

⁽¹⁾  Following the completion of the corporate reorganization described in the prospectus that forms a part of this registration statement.