FRS Facility Detail Report


STEELHEAD PLATFORM

EPA Registry Id: 110003041994
UPPER COOK INLET
TYONEK, AK 99682


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:
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
STEELHEAD PLATFORM 1001948 GREENHOUSE GAS REPORTER E-GGRT 08/22/2014
RACT/BACT/LAER CLEARINGHOUSE
MARATHON OIL CO., STEELHEAD PLATFORM 15 AIR MAJOR RBLC

INTEGRATED COMPLIANCE INFORMATION SYSTEM UNOCAL CORP STEELHEAD PLATFORM 43436 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 05/19/2004 ICIS-10-1996-0073
FORMAL ENFORCEMENT ACTION
ICIS-10-1995-0032
FORMAL ENFORCEMENT ACTION
AIR FACILITY SYSTEM
HILCORP ALASKA, LLC (/STEELHEAD PLATFORM 0212200007 AIR MAJOR (OPERATING) AIRS/AFS 08/15/2014
ELECTRONIC PERMIT SYSTEM
STEELHEAD PLATFORM EPS10044379 AIR PROGRAM API 11/21/2019
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
HILCORP ALASKA, INC. - PLATFORM STEELHEAD AKG315019 ICIS-NPDES NON-MAJOR ICIS 01/03/2012 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNOCAL - STEELHEAD PLATFORM AKG285019 ICIS-NPDES NON-MAJOR ICIS

INTEGRATED COMPLIANCE INFORMATION SYSTEM UNOCAL CORP STEELHEAD PLATFORM 43436 FORMAL ENFORCEMENT ACTION ICIS 11/13/1997 ICIS-10-1996-0073
FORMAL ENFORCEMENT ACTION
ICIS-10-1995-0032
FORMAL ENFORCEMENT ACTION
SAFE DRINKING WATER INFORMATION SYSTEM
HILCORP STEELHEAD PLATFORM AK2244573 TRANSIENT NON-COMMUNITY WATER SYSTEM SFDW

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
STEELHEAD PLATFORM - HILCORP ALASKA, LLC AKD981763238 VSQG (Y) RCRAINFO

SAFE DRINKING WATER INFORMATION SYSTEM
HILCORP STEELHEAD PLATFORM-TP ON PLATFORM AK2244573 32109 WATER TREATMENT PLANT SFDW

ICIS-AIR (AIR)
HILCORP ALASKA, LLC / STEELHEAD PLATFORM AK0000000212200007 AIR MAJOR ICIS 11/15/2014
EMISSION INVENTORY SYSTEM (EIS)
STEELHEAD PLATFORM 680611 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 01/27/2025

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
1311
CRUDE PETROLEUM AND NATURAL GAS

AIR
1311
CRUDE PETROLEUM AND NATURAL GAS

NPDES
1311
CRUDE PETROLEUM AND NATURAL GAS

NPDES
1311
CRUDE PETROLEUM AND NATURAL GAS

Facility Codes and Flags

EPA Region: 10
Duns Number: 000000000, 91883751
Congressional District Number:
Legislative District Number:
HUC Code/Watershed: 19020601 / REDOUBT-TRADING BAYS
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
HILCORP STEELHEAD PLATFORM-TP ON PLATFORM SFDW
HILCORP ALASKA, LLC / STEELHEAD PLATFORM AIR
CH2M HILL ALASKA FRS
UNOCAL NPDES PERMIT
NABORS ALASKA DRILLING FRS
HILCORP ALASKA, INC. - PLATFORM STEELHEAD ICIS
OIL STATES SKAGIT SMATCO LLC FRS
MARATHON OIL CO., STEELHEAD PLATFORM RBLC
R & J TECHNICAL SERVICES FRS
UNOCAL ALASKA FRS
ESS SUPPORT SERVICES FRS
UNION OIL COMPANY OF CALIFORNIA DBA CHEVRON CORPOR FRS
UNOCAL CORP STEELHEAD PLATFORM RCRAINFO
UNOCAL - STEELHEAD PLATFORM NPDES
HILCORP STEELHEAD PLATFORM SFDW

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OPERATOR
HILCORP ALASKA, LLC
RCRAINFO


MAILING ADDRESS
UNOCAL
NPDES
View
MAILING ADDRESS
UNOCAL
NPDES
View
PART PARENT OWNER
MARATHON OIL CO
E-GGRT


JOINT PARENT COMPANY
CHEVRON
E-GGRT


MAILING ADDRESS
HILCORP ALASKA, INC.
NPDES
View
PART PARENT OWNER
MARATHON ALASKA PRODUCTION, LLC
E-GGRT


PART PARENT OWNER
PACIFIC ENERGY ALASKA OPERATING, LLC
E-GGRT


PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


JOINT PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


MAILING ADDRESS
HILCORP ALASKA, LLC
AIR
View
OWNER
UNOCAL
NPDES
View
PART PARENT OWNER
HILCORP ALASKA, LLC
E-GGRT


OWNER
STATE OF ALASKA
RCRAINFO
View
OPERATOR
UNOCAL
NPDES
View
MAILING ADDRESS
CHEVRON NORTH AMERICA EXPLORATION & PRODUCTION COMPANY
NPDES
View
OWNER
HILCORP ALASKA, LLC
RCRAINFO
View
OWNER
UNOCAL
NPDES
View
MAILING ADDRESS
UNION OIL COMPANY OF CALIFORNIA (UNOCAL)
NPDES
View
PARENT OWNER
HILCORP ALASKA, LLC
E-GGRT


PART PARENT OWNER
CHEVRON 91883751
E-GGRT


JOINT PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


OPERATOR
HILCORP ALASKA, LLC
RCRAINFO
View
PART PARENT OWNER
CHEVRON
E-GGRT


PARENT OWNER
HILCORP ENERGY COMPANY
E-GGRT


PARENT COMPANY
HILCORP ALASKA, LLC
EIS


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 211130

EIS 211120

RCRAINFO 211120

AIRS/AFS 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
NPDES 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
E-GGRT 211120

E-GGRT 211130

AIR 211120

AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 3800 CENTERPOINT DRIVE SUITE 100 ANCHORAGE AK 99503-5826 RCRAINFO
OPERATOR 3800 CENTERPOINT DRIVE, SUITE 1400 ANCHORAGE AK 99524 RCRAINFO
MAILING ADDRESS P.O. BOX 196247 ANCHORAGE AK 995196247 NPDES
OWNER PO BOX 196247 ANCHORAGE AK 99519 NPDES
MAILING ADDRESS P.O. BOX 244027 ANCHORAGE AK 99524 AIR
MAILING ADDRESS P.O. BOX 196247 ANCHORAGE AK 99519 NPDES
MAILING ADDRESS PO BOX 196247 ANCHORAGE AK 99519 NPDES
OWNER 550 W 7TH SUITE 1050A ANCHORAGE AK 99501 RCRAINFO
MAILING ADDRESS 3800 CENTERPOINT DRIVE, SUITE 900 ANCHORAGE AK 99503 NPDES
REGULATORY CONTACT 3800 CENTERPOINT DRIVE SUITE 1400 ANCHORAGE AK 99503 RCRAINFO
OWNER P.O. BOX 196247 ANCHORAGE AK 995196247 NPDES
OTHER CONTACT P.O. BOX 196247 ANCHORAGE AK 99519 NPDES
FACILITY MAILING ADDRESS PO BOX 196247 ANCHORAGE AK 99519 AIRS/AFS
OPERATOR STEELHEAD PLATFORM ANCHORAGE AK 995196247 NPDES
OWNER 3800 CENTERPOINT DRIVE, SUITE 1400 ANCHORAGE AK 99524 RCRAINFO
COGNIZANT OFFICIAL 3800 CENTERPOINT DRIVE, SUITE 900 ANCHORAGE AK 99503 NPDES

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
COGNIZANT OFFICIAL
DALE HAINES
9072637951
NPDES
View
OTHER CONTACT
CHET STARKEL
9077778300
NPDES


OTHER CONTACT
FAYE SULLIVAN
9072767600
NPDES
View
OTHER CONTACT
KEITH ELLOITT
9077778300
NPDES


COGNIZANT OFFICIAL
JOHN BARNES
9072637951
NPDES
View

Query executed on: OCT-15-2025