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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-177607 on Form S-8 of Xylem Inc. of our report dated June 23, 2026, appearing in this Annual Report on Form 11-K of Xylem Retirement Savings Plan for the year ended December 31, 2025.

/s/ Crowe LLP

New York, New York

June 23, 2026