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Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 8, 2023, relating to the financial statements of Global Water Resources, Inc., appearing in the Annual Report on Form 10-K of Global Water Resources, Inc. for the year ended December 31, 2022. We also consent to the reference to us under the heading "Experts" in such Registration Statement.

/s/ Deloitte & Touche LLP

Tempe, AZ
August 10, 2023