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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000073020-10-000021
Filing Date
2010-08-04
Accepted
2010-08-04 16:11:20
Documents
11
Period of Report
2010-08-04

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q form10q.htm 10-Q 1450220
2 EXHIBIT 12 - FIXED CHARGES ex12.htm EX-12 75273
3 CEO CERTIFICATION ex31-1.htm EX-31.1 8589
4 CFO CERTIFICATION ex31-2.htm EX-31.2 8702
5 CEO AND CFO CERTIFICATION ex32.htm EX-32.1 7359
12 form10q-20090.jpg GRAPHIC 3222
  Complete submission text file 0000073020-10-000021.txt   4362179

Data Files

Seq Description Document Type Size
7 XBRL CALCULATIONS nwn-20100630_cal.xml EX-101.CAL 54236
8 XBRL SCHEMA nwn-20100630.xsd EX-101.SCH 13983
9 XBRL INSTANCE nwn-20100630.xml EX-101.INS 588393
10 XBRL LABELS nwn-20100630_lab.xml EX-101.LAB 123949
11 XBRL PRESENTATION nwn-20100630_pre.xml EX-101.PRE 95282
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.: 10991147
SIC: 4924 Natural Gas Distribution