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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000110019-19-000003
Filing Date
2019-02-21
Accepted
2019-02-21 08:52:20
Documents
49
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nwp_20181231x10k.htm 10-K 810901
2 EX-23 nwp_20181231xex-231.htm EX-23 3142
3 EX-31.1 nwp_20181231xex-311.htm EX-31.1 12746
4 EX-31.2 nwp_20181231xex-312.htm EX-31.2 12885
5 EX-32 nwp_20181231xex-32.htm EX-32 7720
  Complete submission text file 0000110019-19-000003.txt   3783785

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwp-20181231.xml EX-101.INS 570047
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwp-20181231.xsd EX-101.SCH 30443
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwp-20181231_cal.xml EX-101.CAL 62273
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwp-20181231_def.xml EX-101.DEF 139255
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwp-20181231_lab.xml EX-101.LAB 476267
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwp-20181231_pre.xml EX-101.PRE 264273
Mailing Address 295 CHIPETA WAY SALT LAKE CITY UT 84108
Business Address 295 CHIPETA WAY SALT LAKE CITY UT 84108 801-583-8800
NORTHWEST PIPELINE LLC (Filer) CIK: 0000110019 (see all company filings)

IRS No.: 261157701 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-07414 | Film No.: 19620612
SIC: 4922 Natural Gas Transmission