<SEC-DOCUMENT>0000751652-15-000160-index.html : 20150831
<SEC-HEADER>0000751652-15-000160.hdr.sgml : 20150831
<ACCEPTANCE-DATETIME>20150831162953
ACCESSION NUMBER:		0000751652-15-000160
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20150831
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20150831
DATE AS OF CHANGE:		20150831

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTAR CORP
		CENTRAL INDEX KEY:			0000751652
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
		IRS NUMBER:				870407509
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08796
		FILM NUMBER:		151085257

	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

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-69210
		FILM NUMBER:		151085258

	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>8-K
<SEQUENCE>1
<FILENAME>a083120158-kwexproiisubmis.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a083120158-kwexproiisubmis.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a083115exhibit991wexproiip.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: a083115exhibit991wexproiip.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image0a05.jpg
<DESCRIPTION>QUESTAR LOGO
<TEXT>
Document 3 - file: image0a05.jpg

</DOCUMENT>
</SEC-DOCUMENT>