Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000073020-13-000013
Filing Date
2013-05-02
Accepted
2013-05-02 16:05:39
Documents
13
Period of Report
2013-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q nwn-2013x331x10q.htm 10-Q 1618479
2 EXHIBIT 12 FIXED CHARGES nwn-2013x331x10qxexhibit12.htm EX-12 67449
3 EXHIBIT 31.1 CEO CERTIFICATION nwn-2013x331x10qxexhibit311.htm EX-31.1 9328
4 EXHIBIT 31.2 CFO CERTIFICATION nwn-2013x331x10qxexhibit312.htm EX-31.2 9534
5 EXHIBIT 32.1 CEO AND CFO CERTIFICATION nwn-2013x331x10qxexhibit321.htm EX-32.1 6571
12 logoform10q.jpg GRAPHIC 3209
13 orgtablerevised.jpg GRAPHIC 120764
  Complete submission text file 0000073020-13-000013.txt   11165850

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwn-20130331.xml EX-101.INS 2257616
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20130331.xsd EX-101.SCH 50490
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwn-20130331_cal.xml EX-101.CAL 71646
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwn-20130331_def.xml EX-101.DEF 115718
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20130331_lab.xml EX-101.LAB 524602
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20130331_pre.xml EX-101.PRE 264685
Mailing Address 220 NW SECOND AVENUE PORTLAND OR 97209
Business Address ONE PACIFIC SQUARE 220 NW SECOND AVE PORTLAND OR 97209 5032264211
NORTHWEST NATURAL GAS CO (Filer) CIK: 0000073020 (see all company filings)

EIN.: 930256722 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-15973 | Film No.: 13807976
SIC: 4924 Natural Gas Distribution