<SEC-DOCUMENT>0001193125-18-294694-index.html : 20181005
<SEC-HEADER>0001193125-18-294694.hdr.sgml : 20181005
<ACCEPTANCE-DATETIME>20181005162456
ACCESSION NUMBER:		0001193125-18-294694
CONFORMED SUBMISSION TYPE:	POSASR
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20181005
DATE AS OF CHANGE:		20181005
EFFECTIVENESS DATE:		20181005

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:			1231

	FILING VALUES:
		FORM TYPE:		POSASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214496
		FILM NUMBER:		181110758

	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>POSASR
<SEQUENCE>1
<FILENAME>d597570dposasr.htm
<DESCRIPTION>POSASR
<TEXT>
Document 1 - file: d597570dposasr.htm

</DOCUMENT>
</SEC-DOCUMENT>