EXHIBIT (24.1)

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint CHRISTOPHE BECK, MICHAEL C. MCCORMICK and TIMOTHY A. BEASTROM, and each of them, to be my attorney-in-fact, with full power and authority to sign his name to the Annual Report on Form 10-K of Ecolab Inc. for the fiscal year ended December 31, 2021, and all amendments thereto, provided that the Annual Report and any amendments thereto, in final form, be approved by said attorney-in-fact, and his name, when thus signed, shall have the same force and effect as though I had manually signed said document.

IN WITNESS WHEREOF, I have hereunto affixed my signature this 25^th day of February, 2022.

/s/Douglas M. Baker, Jr.

Douglas M. Baker, Jr.

/s/Shari L. Ballard

Shari L. Ballard

/s/Barbara J. Beck

Barbara J. Beck

/s/Jeffrey M. Ettinger

Jeffrey M. Ettinger

/s/Arthur J. Higgins

Arthur J. Higgins

/s/Michael Larson

Michael Larson

/s/David W. MacLennan

David W. MacLennan

/s/Tracy B. McKibben

Tracy B. McKibben

/s/Lionel L. Nowell, III

Lionel L. Nowell, III

/s/Victoria J. Reich

Victoria J. Reich

/s/Suzanne M. Vautrinot

Suzanne M. Vautrinot

/s/John J. Zillmer

John J. Zillmer