FRS Facility Detail Report


MARKWEST HYDROCARBON LLC - SILOAM FRACTIONATION FACILITY

EPA Registry Id: 110000750875
2 MARKWEST DR
SOUTH SHORE, KY 41175


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:
TOXIC SUBSTANCES CONTROL ACT
MARKWEST SILOAM FACILITY 100606955 TSCA SUBMITTER TSCA 09/05/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MARKWEST ENERGY APPALACHIA LLC KY0111520 ICIS-NPDES NON-MAJOR ICIS 06/18/2024
BIENNIAL REPORTERS
MARKWEST HYDROCARBON, LLC- SILOAM FRACTIOANATION FACILITY KYD985095769 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2003
RISK MANAGEMENT PLAN
MARKWEST ENERGY APPALACHIA, LLC 100000014343 RMP REPORTER RMP

AIR FACILITY SYSTEM
MARKWEST ENERGY APPALACHIA LLC 2108900005 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 07/02/2014
ICIS-AIR (AIR)
MARKWEST HYDROCARBON LLC - SILOAM FRACTIONATION FACILITY KY0000002108900005 AIR SYNTHETIC MINOR ICIS 04/05/2024
TOXIC SUBSTANCES CONTROL ACT
MARKWEST SILOAM FACILITY TSCA5604 TSCA SUBMITTER TSCA 09/05/2024
INTEGRATED COMPLIANCE INFORMATION SYSTEM MARKWEST HYDROCARBON INCORPORATED SILOAM FACILITY 7426932 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 08/03/2005 ICIS-04-2005-9954
FORMAL ENFORCEMENT ACTION
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
SILOAM FRACTIONATION 1004430 GREENHOUSE GAS REPORTER E-GGRT 01/22/2014
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
SILOAM PLANT- COLUMBIA CORP. KYD005003256 UNSPECIFIED UNIVERSE (N) RCRAINFO

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MARKWEST HYDROCARBON, LLC- SILOAM FRACTIOANATION FACILITY KYD985095769 VSQG (Y) RCRAINFO

COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
MARKWEST SILOAM FACILITY CEDRI10107660 COMPLIANCE AND EMISSIONS REPORTING API 06/03/2024
TOXICS RELEASE INVENTORY SYSTEM
SILOAM NGL FACILITY 4117WSLMNG2MARK TRI REPORTER API 06/21/2023
INTEGRATED COMPLIANCE INFORMATION SYSTEM MARKWEST HYDROCARBON INCORPORATED SILOAM FACILITY 7426932 FORMAL ENFORCEMENT ACTION ICIS 08/03/2005 ICIS-04-2005-9954
FORMAL ENFORCEMENT ACTION

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
NPDES
1321
NATURAL GAS LIQUIDS

AIRS/AFS
1321
NATURAL GAS LIQUIDS

AIR
1321
NATURAL GAS LIQUIDS

ICIS
2813
INDUSTRIAL GASES

Facility Codes and Flags

EPA Region: 04
Duns Number:
Congressional District Number: 04
Legislative District Number: 05
HUC Code/Watershed: 05090103 / LITTLE SCIOTO-TYGARTS
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
MARKWEST ENERGY APPALACHIA LLC-SILOAM FRACTIONATION PLANT EIS
SILOAM PLANT- COLUMBIA CORP. NOTIFICATION (RCRA)
MARKWEST HYDROCARBON INCORPORATED SILOAM FACILITY ICIS
MARKWEST HYDROCARBON PARTNERS LTD. NOTIFICATION (RCRA)
MARKWEST HYDROCARBON INC AIRS/AFS
MARKWEST HYDROCARBONS INC AIR VOLUNTARY SUBMISSION
SILOAM NGL FACILITY RMP REPORTING FORM
MARKWEST ENERGY APPALACHIA LLC FRS
SILOAM FRACTIONATION FACILITY TSCA
MARKWEST SILOAM FACILITY TSCA

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT OWNER
MPLX LP
E-GGRT


PREPARER
NATHAN WHELDON
RMP
View
OPERATOR
MARKWEST HYDROCARBON
RCRAINFO
View
OWNER
MPLX G&P
RCRAINFO


PREPARER
NATHAN WHELDON
RMP


PARENT COMPANY 1
MARKWEST HYDROCARBON
RMP


MAILING ADDRESS
MARKWEST ENERGY APPALACHIA LLC
NPDES
View
OWNER
BOB WADDELL
NPDES
View
PARENT COMPANY 2
MARKWEST ENERGY PARTNERS, LP
RMP


PARENT OWNER
MARATHON PETROLEUM COMPANY LP
E-GGRT


PARENT OWNER
MARATHON PETROLEUM CO LP
E-GGRT


PARENT COMPANY
MARKWEST ENERGY PARTNERS
TSCA
View
OWNER
MARKWEST HYDROCARBON, INC.
RCRAINFO
View
PARENT OWNER
MARKWEST ENERGY PARTNERS, LP
E-GGRT


OWNER
JOHN M. FOX
RCRAINFO
View
OWNER
MARKWEST ENERGY APPALACHIA, LLC
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 211112 NATURAL GAS LIQUID EXTRACTION.
AIR 211130

RCRAINFO 211130

E-GGRT 211130

AIRS/AFS 211112 NATURAL GAS LIQUID EXTRACTION.
TRIS 211130

RMP 211112 NATURAL GAS LIQUID EXTRACTION.
RMP 42271

NPDES 211112 NATURAL GAS LIQUID EXTRACTION.
RMP 21113

RCRAINFO 211120

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS U. S. ROUTE 23 SOUTH SHORE KY 41175 AIRS/AFS
PREPARER 1515 ARAPAHOE ST DENVER CO 80202-3150 RMP
PARENT COMPANY 1515 ARAPAHOE DENVER CO 80202 TSCA
REGULATORY CONTACT 2 MARKWEST DRIVE SOUTH SHORE KY 41175 RCRAINFO
REGULATORY CONTACT P.O. BOX 575 SOUTH SHORE KY 41175 RCRAINFO
OWNER 1515 ARAPAHOE STREET TOWER 2 DENVER CO 80202-2126 RCRAINFO
OWNER 1515 ARAPAHOE ST TOWER 1 STE 1600 DENVER CO 80202 NPDES
OPERATOR 1515 ARAPAHOE STREET TOWER 2 DENVER CO 80202-2126 RCRAINFO
OWNER/OPERATOR P.O. BOX 575 SOUTH SHORE KY 41175 RMP
OWNER 155 INVERNESS DR ENGLEWOOD CO 80112 RCRAINFO
FACILITY MAILING ADDRESS 336-338 FOURTHEENTH ST. ASHLAND KY 41101 RCRAINFO
OWNER 5613 DTC PARKWAY ENGLEWOOD CO 80111 RCRAINFO
MAILING ADDRESS P.O. BOX 575 SOUTH SHORE KY 41175 NPDES
FACILITY MAILING ADDRESS P.O. BOX 575 SOUTH SHORE KY 41175 RCRAINFO
REGULATORY CONTACT 1305 CHERRINGTON PKWY SUITE 100 SOUTH SHORE KY 41175 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
REGULATORY CONTACT
CAROLYN J NAPIER
724-553-8795
RCRAINFO
View
COMPLIANCE CONTACT
JENNIFER OSBORNE
6069328216
AIR


TECHNICAL CONTACT
MS. LEANNE MEYER


TSCA


UNKNOWN CONTACT
JENNIFER OSBORNE
6069328216
AIR


COMPLIANCE CONTACT
CHRIS KELLEY
4122600294
AIR


Query executed on: OCT-14-2025


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