SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000073020-11-000003
Filing Date
2011-02-25
Accepted
2011-02-25 16:35:32
Documents
15
Period of Report
2010-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K form10k.htm 10-K 3068830
2 EXHIBIT 12 EARNINGS TO FIXED CHARGES ex12.htm EX-12 47630
3 EXHIBIT 23 CONSENT OF AUDITORS ex23.htm EX-23 3206
4 EXHIBIT 31.1 CEO CERTIFICATION ex31-1.htm EX-31.1 9199
5 EXHIBIT 31.2 CFO CERTIFICATION ex31-2.htm EX-31.2 8967
6 EXHIBIT 32.1 SOX CERTIFICATION ex32-1.htm EX-32.1 7499
8 SEPARATION AGREEMENT JANUARY 2011 ex10z-1.htm EX-10.Z-1 34466
9 SUBSIDIARY LISTING ex21.htm EX-21 14008
16 nwn_logo.jpg GRAPHIC 2711
  Complete submission text file 0000073020-11-000003.txt   8144939

Data Files

Seq Description Document Type Size
10 XBRL INSTANCE nwn-20101231.xml EX-101.INS 1178030
11 XBRL SCHEMA nwn-20101231.xsd EX-101.SCH 20259
12 XBRL CALCULATIONS nwn-20101231_cal.xml EX-101.CAL 60819
13 XBRL LABELS nwn-20101231_lab.xml EX-101.LAB 158742
14 XBRL PRESENTATION nwn-20101231_pre.xml EX-101.PRE 129822
15 XBRL DEFINITIONS nwn-20101231_def.xml EX-101.DEF 15758
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-K | Act: 34 | File No.: 001-15973 | Film No.: 11641505
SIC: 4924 Natural Gas Distribution
Assistant Director 2