<SEC-DOCUMENT>0000073020-18-000033-index.html : 20180910
<SEC-HEADER>0000073020-18-000033.hdr.sgml : 20180910
<ACCEPTANCE-DATETIME>20180910172605
ACCESSION NUMBER:		0000073020-18-000033
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180910
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180910
DATE AS OF CHANGE:		20180910

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHWEST NATURAL GAS CO
		CENTRAL INDEX KEY:			0000073020
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				930256722
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1222

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15973
		FILM NUMBER:		181063484

	BUSINESS ADDRESS:	
		STREET 1:		ONE PACIFIC SQUARE
		STREET 2:		220 NW SECOND AVE
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97209
		BUSINESS PHONE:		5032264211

	MAIL ADDRESS:	
		STREET 1:		220 NW SECOND AVENUE
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97209
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-kclosingofprivatepla.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: form8-kclosingofprivatepla.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.A
<SEQUENCE>2
<FILENAME>ex4a23rdsupplementalindent.htm
<DESCRIPTION>EXHIBIT 4.A
<TEXT>
Document 2 - file: ex4a23rdsupplementalindent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>form8kclosingofprivat_image1.gif
<TEXT>
Document 3 - file: form8kclosingofprivat_image1.gif

</DOCUMENT>
</SEC-DOCUMENT>