FRS Facility Detail Report


DOLLY VARDEN PLATFORM

EPA Registry Id: 110007920884
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:
SAFE DRINKING WATER INFORMATION SYSTEM
HILCORP DOLLY VARDEN PLATFORM-TP FILTRATION (TASTE/ODOR) AND UV AK2241591 32283 WATER TREATMENT PLANT SFDW

ICIS-AIR (AIR)
HILCORP ALASKA, LLC / DOLLY VARDEN PLATFORM AK0000000212200043 AIR MAJOR ICIS 11/15/2014
INTEGRATED COMPLIANCE INFORMATION SYSTEM UNOCAL CORP DOLLY VARDEN PLATFORM 44933 FORMAL ENFORCEMENT ACTION ICIS 11/13/1997 ICIS-10-1995-0030
FORMAL ENFORCEMENT ACTION
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNOCAL - DOLLY VARDEN PLATFORM AKG285009 ICIS-NPDES NON-MAJOR ICIS

INTEGRATED COMPLIANCE INFORMATION SYSTEM HILCORP ALASKA LLC - DOLLY VARDEN PLATFORM 3600061605 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 07/21/2015
SAFE DRINKING WATER INFORMATION SYSTEM
HILCORP DOLLY VARDEN PLATFORM AK2241591 TRANSIENT NON-COMMUNITY WATER SYSTEM SFDW

ELECTRONIC PERMIT SYSTEM
DOLLY VARDEN PLATFORM EPS10048061 COMPLIANCE ACTIVITY API 07/25/2025
AIR FACILITY SYSTEM
HILCORP ALASKA, LLC/DOLLY VARDEN PLATFOR 0212200043 AIR MAJOR (OPERATING) AIRS/AFS 06/12/2014
EMISSION INVENTORY SYSTEM (EIS)
DOLLY VARDEN PLATFORM 681311 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 01/29/2025
ELECTRONIC PERMIT SYSTEM
DOLLY VARDEN PLATFORM EPS10048061 AIR PROGRAM API 03/11/2020
INTEGRATED COMPLIANCE INFORMATION SYSTEM DOLLY VARDEN PLATFORM (D9-RD) (SDWA) 3400074980 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 01/31/2019
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
DOLLY VARDEN PLATFORM 1001940 GREENHOUSE GAS REPORTER E-GGRT 08/23/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
HILCORP ALASKA LLC - DOLLY VARDEN PLATFORM AKG315009 ICIS-NPDES NON-MAJOR ICIS 01/03/2012

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: 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
UNION OIL OF CALIFORNIA - DOLLY VERDEN D9RD ICIS
HILCORP LLC DOLLYVARDEN D9RD WORKOVER2A CASING FRS
UNION OIL OF CALIFORNIA - DOLLY VERDEN D9RD SAPT ICIS
UNOCAL CORP DOLLY VARDEN PLATFORM NOTIFICATION (RCRA)
HILCORP LLC DOLLY VARDEN D9DR TEMPERATURE ICIS
HILCORP ALASKA, LLC/DOLLY VARDEN PLATFOR AIRS/AFS
NABORS ALASKA DRILLING INC FRS
UNION OIL COMPANY OF CALIFORNIA FRS
UNOCAL NPDES PERMIT
MARATHON OIL DOLLY VARDEN SFDW
UNOCAL DOLLY VARDEN ENERGY RESOURCES DIV AIRS/AFS
HILCORP LLC DOLLYVARDEN D9RD WORKOVER1GEOLOGY INJECTION/CONFINING ZONE FRS
UNION OIL OF CALIFORNIA - DOLLY VERDEN D9RD TEMP ICIS
UNOCAL ALASKA FRS
HILCORP LLC DOLLY VARDEN D9RD WORKOVER 6MITIA FRS
UNOCAL - DOLLY VARDEN PLATFORM NPDES
HILCORP LLC DOLLY VARDEN D9RD WORKOVER 4POLYCORE TUBING MIT FRS
HILCORP LLC DOLLY VARDEN D9RD WORKOVER 5 HANGAR SEAL TEST FRS
HILCORP ALASKA LLC - DOLLY VARDEN PLATFORM NPDES
HILCORP LLC DOLLY VARDEN D9RD ICIS
HILCORP LLC DOLLYVARDEN D9RD WORKOVER2B CASINGCALIPER FRS
UNION OIL OF CALIFORNIA FRS
HILCORP LLC DOLLY VARDEN D9RD WORKOVER 3 PACKER FRS
HILCORP D9RD ICIS
HILCORP DOLLY VARDEN PLATFORM SFDW

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
UNOCAL
NPDES
View
PART PARENT OWNER
PACIFIC ENERGY ALASKA OPERATING, LLC
E-GGRT


PART PARENT OWNER
CHEVRON
E-GGRT


PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


JOINT PARENT COMPANY
CHEVRON
E-GGRT


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


PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


PARENT OWNER
HILCORP ALASKA, LLC
E-GGRT


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


PART PARENT OWNER
CHEVRON 91883751
E-GGRT


MAILING ADDRESS
UNOCAL
NPDES
View
OPERATOR
UNOCAL
NPDES
View
JOINT PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


PARENT OWNER
HILCORP ENERGY COMPANY
E-GGRT


JOINT PARENT COMPANY
CHEVRON 91883751
E-GGRT


PART PARENT OWNER
HILCORP ALASKA, LLC
E-GGRT


JOINT PARENT COMPANY
HILCORP ALASKA, LLC
E-GGRT


PARENT COMPANY
HILCORP ALASKA, LLC
EIS


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 211120

EIS 211120

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

NPDES 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
E-GGRT 211130

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS PO BOX 196247 ANCHORAGE AK 99519 AIRS/AFS
MAILING ADDRESS P.O. BOX 196247 ANCHORAGE AK 995196247 NPDES
MAILING ADDRESS P.O. BOX 244027 ANCHORAGE AK 99524 AIR
MAILING ADDRESS PO BOX 196247 ANCHORAGE AK 99519 NPDES
OPERATOR P.O. BOX 196247 ANCHORAGE AK 995196247 NPDES
OWNER P.O. BOX 196247 ANCHORAGE AK 995196247 NPDES

Contacts

No Contacts returned.

Query executed on: OCT-15-2025