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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000073020-18-000017
Filing Date
2018-05-08
Accepted
2018-05-08 14:39:21
Documents
80
Period of Report
2018-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q form10-qq12018.htm 10-Q 1428161
2 EXHIBIT 12 FIXED CHARGES ex12q12018.htm EX-12 80826
3 EXHIBIT 31.1 CEO CERTIFICATION ex311q12018.htm EX-31.1 9097
4 EXHIBIT 31.2 CFO CERTIFICATION ex312q12018.htm EX-31.2 9330
5 EXHIBIT 32.1 CEO AND CFO CERTIFICATION ex321q12018.htm EX-32.1 6338
12 GRAPHIC logoform10qa29.jpg GRAPHIC 3209
  Complete submission text file 0000073020-18-000017.txt   7394587

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwn-20180331.xml EX-101.INS 1688353
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20180331.xsd EX-101.SCH 54227
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwn-20180331_cal.xml EX-101.CAL 88706
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwn-20180331_def.xml EX-101.DEF 240595
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20180331_lab.xml EX-101.LAB 643833
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20180331_pre.xml EX-101.PRE 382948
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)

IRS No.: 930256722 | State of Incorp.: OR | Fiscal Year End: 1222
Type: 10-Q | Act: 34 | File No.: 001-15973 | Film No.: 18814075
SIC: 4924 Natural Gas Distribution