<SEC-DOCUMENT>0001193125-18-318384-index.html : 20181105
<SEC-HEADER>0001193125-18-318384.hdr.sgml : 20181105
<ACCEPTANCE-DATETIME>20181105163508
ACCESSION NUMBER:		0001193125-18-318384
CONFORMED SUBMISSION TYPE:	S-4
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20181105
DATE AS OF CHANGE:		20181105

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHWEST PIPELINE LLC
		CENTRAL INDEX KEY:			0000110019
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				261157701
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228174
		FILM NUMBER:		181160336

	BUSINESS ADDRESS:	
		STREET 1:		295 CHIPETA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
		BUSINESS PHONE:		801-583-8800

	MAIL ADDRESS:	
		STREET 1:		295 CHIPETA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHWEST PIPELINE GP
		DATE OF NAME CHANGE:	20071002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHWEST PIPELINE CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-4
<SEQUENCE>1
<FILENAME>d588971ds4.htm
<DESCRIPTION>S-4
<TEXT>
Document 1 - file: d588971ds4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d588971dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d588971dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>d588971dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: d588971dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>4
<FILENAME>d588971dex251.htm
<DESCRIPTION>EX-25.1
<TEXT>
Document 4 - file: d588971dex251.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>5
<FILENAME>d588971dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 5 - file: d588971dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>6
<FILENAME>d588971dex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 6 - file: d588971dex992.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>7
<FILENAME>d588971dex993.htm
<DESCRIPTION>EX-99.3
<TEXT>
Document 7 - file: d588971dex993.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>8
<FILENAME>d588971dex994.htm
<DESCRIPTION>EX-99.4
<TEXT>
Document 8 - file: d588971dex994.htm

</DOCUMENT>
</SEC-DOCUMENT>