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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 CIK#: 0000073020 (see all company filings)

SIC: 4924 - NATURAL GAS DISTRIBUTION
State location: OR | State of Inc.: OR | Fiscal Year End: 1231
(Assistant Director Office: 2)
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Items 1 - 40  0000073020 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-17-000007 (34 Act)  Size: 15 MB
2017-02-27 001-15973
17642542
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-16-000075 (34 Act)  Size: 8 MB
2016-11-02 001-15973
161967759
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-16-000065 (34 Act)  Size: 7 MB
2016-08-02 001-15973
161800089
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-16-000044 (34 Act)  Size: 6 MB
2016-05-03 001-15973
161614827
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-16-000038 (34 Act)  Size: 14 MB
2016-02-26 001-15973
161460949
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-15-000031 (34 Act)  Size: 7 MB
2015-11-03 001-15973
151193265
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-15-000024 (34 Act)  Size: 7 MB
2015-08-04 001-15973
151024950
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-15-000014 (34 Act)  Size: 8 MB
2015-05-05 001-15973
15832281
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-15-000009 (34 Act)  Size: 19 MB
2015-02-27 001-15973
15658335
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-14-000028 (34 Act)  Size: 9 MB
2014-11-04 001-15973
141192615
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-14-000017 (34 Act)  Size: 8 MB
2014-08-05 001-15973
141015714
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-14-000011 (34 Act)  Size: 7 MB
2014-05-02 001-15973
14808686
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-14-000004 (34 Act)  Size: 21 MB
2014-02-28 001-15973
14654501
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-13-000031 (34 Act)  Size: 12 MB
2013-11-07 001-15973
131200310
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-13-000022 (34 Act)  Size: 17 MB
2013-08-07 001-15973
131017400
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-13-000013 (34 Act)  Size: 11 MB
2013-05-02 001-15973
13807976
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-13-000007 (34 Act)  Size: 17 MB
2013-03-01 001-15973
13658068
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-12-000018 (34 Act)  Size: 8 MB
2012-11-06 001-15973
121182975
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-12-000009 (34 Act)  Size: 6 MB
2012-08-03 001-15973
121006700
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-12-000005 (34 Act)  Size: 5 MB
2012-05-04 001-15973
12814123
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-12-000003 (34 Act)  Size: 15 MB
2012-02-28 001-15973
12646301
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-11-000013 (34 Act)  Size: 6 MB
2011-11-04 001-15973
111180534
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-11-000011 (34 Act)  Size: 7 MB
2011-08-03 001-15973
111006981
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-11-000006 (34 Act)  Size: 4 MB
2011-05-04 001-15973
11808836
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-11-000003 (34 Act)  Size: 8 MB
2011-02-25 001-15973
11641505
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-10-000024 (34 Act)  Size: 5 MB
2010-11-05 001-15973
101168157
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-10-000021 (34 Act)  Size: 4 MB
2010-08-04 001-15973
10991147
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-10-000012 (34 Act)  Size: 1 MB
2010-05-06 001-15973
10808498
10-K  Documents Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000073020-10-000005 (34 Act)  Size: 4 MB
2010-02-26 001-15973
10639194
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-09-000014 (34 Act)  Size: 1 MB
2009-11-05 001-15973
091160525
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-09-000009 (34 Act)  Size: 1 MB
2009-08-06 001-15973
09991787
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000073020-09-000004 (34 Act)  Size: 1 MB
2009-05-04 001-15973
09794242
10-K/A  Documents [Amend] Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001193125-09-047346 (34 Act)  Size: 35 KB
2009-03-06 001-15973
09662314
10-K  Documents Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001193125-09-041266 (34 Act)  Size: 2 MB
2009-03-02 001-15973
09644743
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-08-225758 (34 Act)  Size: 767 KB
2008-11-05 001-15973
081163676
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-08-168421 (34 Act)  Size: 795 KB
2008-08-06 001-15973
08995713
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-08-100899 (34 Act)  Size: 599 KB
2008-05-02 001-15973
08800018
10-K  Documents Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001193125-08-043700 (34 Act)  Size: 2 MB
2008-02-29 001-15973
08656055
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-07-239906 (34 Act)  Size: 773 KB
2007-11-08 001-15973
071224343
10-Q  Documents Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001193125-07-173876 (34 Act)  Size: 767 KB
2007-08-07 001-15973
071032470