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 19, 2020, appearing in this Annual Report on Form 11-K of Xylem Retirement Savings Plan for the year ended December 31, 2019.

/s/ Crowe LLP

New York, New York

June 19, 2020