Operator overview
NORTHWEST PIPELINE LLC
Primary ID 13845
Showing 2024 annual-report filings
Annual report summary
GTG programs reported
Jurisdictions were not specified in the latest filings.
Total regulated miles
438
across reported programs
Service connections
—
latest reported total
LNG facilities (if any)
—
facilities reported
| Program | Miles | Services | State | Year |
|---|---|---|---|---|
| Gas Transmission & Gathering | 438 | — | — | 2024 |
Miles by installation service by decade.
Gas Transmission & Gathering
236 mi peak
295 total
Pre-1940
0
1940–1949
0
1950–1959
236
1960–1969
1
1970–1979
7
1980–1989
6
1990–1999
9
2000–2009
36
2010–2019
0
2020–2029
0
Unknown
0
Reference
| Operator name | NORTHWEST PIPELINE LLC |
|---|---|
| Primary ID | 13845 |
| Programs | GTG |
Contact details
| Preparer name | — |
|---|---|
| Preparer title | — |
| Preparer phone | — |
| Preparer email | — |
| Preparer fax | — |
| Preparer address | — |
| Report submission type | — |
| Report date | — |
| Filing date | — |
| Additional information | — |
| Form revision | — |
| Company official name | — |
| Company official title | — |
| Company official phone | — |
| Company official email | — |
| Company official fax | — |
| Emergency contact name | — |
| Emergency contact phone | — |
| Emergency contact email | — |
Section 6 — Flattened data preview
| Key | Value |
|---|---|
| annuals.gtg.miles | 438.215 |
| annuals.gtg.report_year | 2024 |
| annuals.gtg.source_count | 1 |
| annuals.gtg.year | 2024 |
| annuals.raw.gtg.DATAFILE_AS_OF | 12/1/2025 |
| annuals.raw.gtg.INTER_INTRA | INTERSTATE |
| annuals.raw.gtg.OPERATOR_ID | 13845 |
| annuals.raw.gtg.REPORT_NUMBER | 20251285 |
| annuals.raw.gtg.REPORT_YEAR | 2024 |
| annuals.raw.gtg.SUPPLEMENTAL_NUMBER | 46366 |
| annuals.raw.gtg.created_at | 2025-12-05 14:45:07.159179 |
| annuals.raw.gtg.part_a_d_data.FILING_DATE | 3/14/2025 |
| annuals.raw.gtg.part_a_d_data.FORM_REV | 7100.2-1 (Rev. 08-2023) |
| annuals.raw.gtg.part_a_d_data.PARTA2NAMEOFCOMP | NORTHWEST PIPELINE LLC |
| annuals.raw.gtg.part_a_d_data.PARTA4CITY | HOUSTON |
| annuals.raw.gtg.part_a_d_data.PARTA4STATE | TX |
| annuals.raw.gtg.part_a_d_data.PARTA4STREET | 2800 POST OAK BLVD |
| annuals.raw.gtg.part_a_d_data.PARTA4ZIP | 77056 |
| annuals.raw.gtg.part_a_d_data.PARTA7INTER | COLORADO, IDAHO, OREGON, UTAH, WASHINGTON, WYOMING |
| annuals.raw.gtg.part_a_d_data.PARTB192MILESOFF | 0 |
| annuals.raw.gtg.part_a_d_data.PARTB192MILESON | 438.215 |
| annuals.raw.gtg.part_a_d_data.PARTB192MILESTOTAL | 438.215 |
| annuals.raw.gtg.part_a_d_data.PARTB1M1T | 0 |
| annuals.raw.gtg.part_a_d_data.PARTB1M2T | 191.583 |
| annuals.raw.gtg.part_a_d_data.PARTB1MT | 191.583 |
1220 additional key/value pairs available.
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