Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of DT Midstream, Inc. of our report dated February 19, 2026 relating
to the financial statements and the effectiveness of internal control over financial reporting, which appears in DT Midstream, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2025.
/s/ PricewaterhouseCoopers LLP
Detroit, Michigan
February 19, 2026