Exhibit 24 - Power of Attorney

LIMITED POWER OF ATTORNEY ? SECURITIES LAW COMPLIANCE


            The undersigned, as an officer, director, or
employee of EQGP Services, LLC, the general partner of
EQM Midstream Partners, LP, or its subsidiaries or
affiliates (the ?Company?), hereby constitutes
Tobin M. Nelson, Nathaniel D. DeRose, Lisa M. Lind,
Joseph F. D'Amico, and Kelly M. Fritz or any one of
them the undersigned?s true and lawful attorney-in-fact
and agent to complete and execute such Form ID Uniform
Applications for Access Codes to File On Edgar, Forms 144,
Forms 3, 4 and 5, Schedules 13D and 13G and other forms
and schedules as any attorney shall in his or her discretion
determine to be required or advisable pursuant to Rule 144
promulgated under the Securities Act of 1933 (as amended),
Sections 13 and 16 of the Securities Exchange Act of 1934
(as amended) and the rules and regulations promulgated
thereunder, or any successor laws and regulations, as
a consequence of the undersigned?s ownership, acquisition,
or disposition of securities of the Company, and to do all
acts necessary in order to file such forms with the
Securities and Exchange Commission, any securities exchange
or national association, the Company and such other person
or agency as the attorney shall deem appropriate.  The
undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be
done by virtue hereof.

            This Limited Power of Attorney shall remain
in effect until the undersigned is no longer required to
make filings pursuant to Rule 144 promulgated
under the Securities Act of 1933 (as amended), Sections 13
and 16 of the Securities Exchange Act of 1934 (as amended)
and the rules and regulations promulgated thereunder, or
any successor laws and regulations, unless earlier revoked
by the undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

            This Limited Power of Attorney is executed in
Canonsburg, PA
as of the date set forth below.


  /s/ Brian P. Pietrandrea
Signature

Brian P. Pietrandrea
Type or Print Name

Date: July 29, 2019