FRS Facility Detail Report


NORTHWESTERN ENERGY MAINLINE #1

EPA Registry Id: 110007375526
4 MILES SE OF CUT BANK
CUT BANK, MT 59427


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
ICIS-AIR (AIR)
NORTHWESTERN ENERGY MAINLINE #1 MT0000003003500004 AIR MAJOR ICIS 05/18/2015
AIR FACILITY SYSTEM
NORTHWESTERN ENERGY MAINLINE #1 3003500004 AIR MAJOR (OPERATING) AIRS/AFS 08/28/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
NORTHWESTERN ENERGY MAINLINE #1 CEDRI10249444 COMPLIANCE AND EMISSIONS REPORTING API 07/15/2025
INTEGRATED COMPLIANCE INFORMATION SYSTEM MPC CUT BANK MAINLINE #1 STATION 8028340 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 06/02/2006
MONTANA - CONSOLIDATED ENVIRONMENTAL DATA ACQUISITION AND RETRIEVAL SYSTEM
NORTHWESTERN ENERGY MAINLINE #1 119024 STATE MASTER MT-CEDARS
FITS-138390
AIR PROGRAM
FITS-138389
AIR PROGRAM

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
ICIS
4619
PIPELINES, NOT ELSEWHERE CLASSIFIED

AIRS/AFS
1321
NATURAL GAS LIQUIDS

AIR
1321
NATURAL GAS LIQUIDS

MT-CEDARS
1321
NATURAL GAS LIQUIDS

Facility Codes and Flags

EPA Region: 08
Duns Number:
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 10030202 / CUT BANK
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
NORTHWESTERN - MAINLINE #1 STATION AIRS/AFS
MPC - MAIN LINE #1 MT-CEDARS
MPC CUT BANK MAINLINE #1 STATION AIRS/AFS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
PERMITEE
NORTHWESTERN ENERGY
AIR
View
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS


REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
PERMITTEE
NORTHWESTERN ENERGY
AIR
View
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
REGULATORY CONTACT
NORTHWESTERN ENERGY
MT-CEDARS
View
PERMITTEE
NORTHWESTERN ENERGY
AIR
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 211112 NATURAL GAS LIQUID EXTRACTION.
MT-CEDARS 211112 NATURAL GAS LIQUID EXTRACTION.
AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
AIRS/AFS 211112 NATURAL GAS LIQUID EXTRACTION.
AIR 211120

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
REGULATORY CONTACT 125 SOUTH DAKOTA AVE STE 1100 SIOUX FALLS SD 57104 MT-CEDARS
PERMITTEE 40 E BROADWAY ST BUTTE MT 59701 AIR
PERMITEE 40 E BROADWAY ST BUTTE MT 59701 AIR
REGULATORY CONTACT PO BOX 80330 BILLINGS MT 59108 MT-CEDARS
REGULATORY CONTACT 40 EAST BROADWAY BUTTE MT 59701 MT-CEDARS
FACILITY MAILING ADDRESS 4 MILES SE OF CUT BANK CUT BANK MT 59427 AIRS/AFS
REGULATORY CONTACT 40 E BROADWAY ST BUTTE MT 59701 MT-CEDARS
PERMITTEE 11 E. PARK ST. BUTTE MT 59701 AIR
MAILING ADDRESS 40 E BROADWAY ST BUTTE MT 59701 MT-CEDARS
REGULATORY CONTACT 40 E BROADWAY BUTTE MT 59701 MT-CEDARS
REGULATORY CONTACT 4503 62ND AVE SW GREAT FALLS MT 59404 MT-CEDARS

Contacts

No Contacts returned.

Query executed on: OCT-14-2025