-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AlyPz+vTyVI3fNtlo7ZcF7ZtAslaYGkYeOz1XT0tjhDe/qBtorSFAcGcMlkz3yRv
 +BV90cDKUXtTtmJK735Wzw==

<SEC-DOCUMENT>9999999995-08-002666.txt : 20080829
<SEC-HEADER>9999999995-08-002666.hdr.sgml : 20080829
<ACCEPTANCE-DATETIME>20080829001519
ACCESSION NUMBER:		9999999995-08-002666
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080828
DATE AS OF CHANGE:		20080829
EFFECTIVENESS DATE:		20080828

FILER:

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

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-152994
		FILM NUMBER:		081046958

	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 CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2008-08-28</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>09:00:00</finalEffectivenessDispTime>
        <form>S-4</form>
        <filer>
            <cik>0000110019</cik>
            <entityName>NORTHWEST PIPELINE GP</entityName>
            <fileNumber>333-152994</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----