Exhibit 24.1 - Power of Attorney

LIMITED POWER OF ATTORNEY ? SECURITIES LAW COMPLIANCE


            The undersigned, as an officer, director, or employee of
EQM Midstream Services, LLC, the general partner of EQM Midstream Partners, LP,
or its subsidiaries or affiliates (the ?Company?), hereby constitutes
Tobin M. Nelson, Lisa M. Lind, Joseph F. D?Amico, Crystal R. Summerville
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 shall be
deemed to revoke, terminate and replace that certain Limited Power of
Attorney ? Securities Law Compliance, dated February 24, 2013, and included
as Exhibit 24.1 to the undersigned?s Form 3 for the Company, and filed with
the Securities and Exchange Commission on February 25, 2013.

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


/s/ Lara E. Washington
Signature

Lara E. Washington
Type or Print Name

Date:	November 16, 2018