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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000073020-11-000013
Filing Date
2011-11-04
Accepted
2011-11-04 14:07:29
Documents
13
Period of Report
2011-11-04

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q form10q.htm 10-Q 1275374
2 EXHIBIT 10.1 SUPPLEMENTAL RETIREMENT ex10-1.htm EX-10.1 139788
3 EXHIBIT 12 FIXED CHARGES ex12.htm EX-12 54259
4 CEO CERTIFICATION ex31-1.htm EX-31.1 8924
5 CFO CERTIFICATION ex31-2.htm EX-31.2 9002
6 CEO AND CFO CERTIFICATION ex32-1.htm EX-3.1 7340
14 nwnimg.jpg GRAPHIC 3222
  Complete submission text file 0000073020-11-000013.txt   6773628

Data Files

Seq Description Document Type Size
7 XBRL INSTANCE nwn-20110930.xml EX-101.INS 1133819
8 XBRL SCHEMA nwn-20110930.xsd EX-101.SCH 48823
9 XBRL CALCULATIONS nwn-20110930_cal.xml EX-101.CAL 76979
10 XBRL DEFINITIONS nwn-20110930_def.xml EX-101.DEF 73895
11 XBRL LABELS nwn-20110930_lab.xml EX-101.LAB 328115
12 XBRL PRESENTATIONS nwn-20110930_pre.xml EX-101.PRE 267007
Mailing Address
Business Address 220 NW SECOND AVE PORTLAND OR 97209 5032264211
NORTHWEST NATURAL GAS CO (Filer) CIK: 0000073020 (see all company filings)

IRS No.: 930256722 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-15973 | Film No.: 111180534
SIC: 4924 Natural Gas Distribution