<SEC-DOCUMENT>0001193125-18-360613-index.html : 20181228
<SEC-HEADER>0001193125-18-360613.hdr.sgml : 20181228
<ACCEPTANCE-DATETIME>20181228122302
ACCESSION NUMBER:		0001193125-18-360613
CONFORMED SUBMISSION TYPE:	RW
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20181228
DATE AS OF CHANGE:		20181228

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTAR GAS CO
		CENTRAL INDEX KEY:			0000068589
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				870407509
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		RW
		SEC ACT:		
		SEC FILE NUMBER:	333-181406
		FILM NUMBER:		181256703

	BUSINESS ADDRESS:	
		STREET 1:		333 SOUTH STATE STREET
		STREET 2:		P.O. BOX 45433
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84145-0433
		BUSINESS PHONE:		8013245900

	MAIL ADDRESS:	
		STREET 1:		333 SOUTH STATE STREET
		STREET 2:		P.O. BOX 45433
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84145-0433

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MOUNTAIN FUEL SUPPLY CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>RW
<SEQUENCE>1
<FILENAME>d679900drw.htm
<DESCRIPTION>RW
<TEXT>
Document 1 - file: d679900drw.htm

</DOCUMENT>
</SEC-DOCUMENT>