FRS Facility Detail Report


HOUSTON GAS PLANT

EPA Registry Id: 110046247138
800 WESTERN AVE
WASHINGTON, PA 15301


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:
BIENNIAL REPORTERS
MARKWEST HOUSTON NATURAL GAS PLT PADEP0016665 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2011
AIR FACILITY SYSTEM
MARKWEST LIBERTY MIDSTREAM & RESOURCES/H 4212500223 AIR MINOR (OPERATING) AIRS/AFS 09/11/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MARKWEST HOUSTON NATURAL GAS PLT PADEP0016665 UNSPECIFIED UNIVERSE (N) RCRAINFO

INTEGRATED COMPLIANCE INFORMATION SYSTEM MARKWEST LIBERTY MIDSTREAM & RESOURCES/H 3000033812 FORMAL ENFORCEMENT ACTION ICIS 09/27/2012 ICIS-03-2012-0256
FORMAL ENFORCEMENT ACTION
ICIS-AIR (AIR)
MARKWEST LIBERTY MIDSTREAM & RESOURCES/HOUSTON GAS PLT PA000707674 AIR SYNTHETIC MINOR ICIS 02/17/2016
PENNSYLVANIA - ENVIRONMENTAL FACILITY APPLICATION COMPLIANCE TRACKING SYSTEM MARKWEST LIBERTY MIDSTREAM & RESOURCES/HOUSTON GAS PLT 30-0528059-1 STATE MASTER PA-EFACTS

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MARKWEST LIBERTY MIDSTREAM & RESOURCES LLC PAR000555755 VSQG (Y) RCRAINFO

ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
HOUSTON GAS PLANT 1004524 GREENHOUSE GAS REPORTER E-GGRT 01/22/2014
TOXIC SUBSTANCES CONTROL ACT
HOUSTON GAS PLANT 100606403 TSCA SUBMITTER TSCA 09/05/2024
INTEGRATED COMPLIANCE INFORMATION SYSTEM HOUSTON GAS PLAN 2600014094 FORMAL ENFORCEMENT ACTION ICIS 07/06/2011 ICIS-03-2011-0172
FORMAL ENFORCEMENT ACTION
RISK MANAGEMENT PLAN
LIBERTY GAS PLANT 100000205191 RMP REPORTER RMP
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXIC SUBSTANCES CONTROL ACT
HOUSTON GAS PLANT TSCA5910 TSCA SUBMITTER TSCA 09/05/2024
EMISSION INVENTORY SYSTEM (EIS)
MARKWEST LIBERTY MIDSTREAM & RESOURCES/HOUSTON GAS PLT 16874011 CRITERIA AIR POLLUTANT MAJOR EIS 03/23/2023
INTEGRATED COMPLIANCE INFORMATION SYSTEM HOUSTON GAS PLANT 3601365889 FORMAL ENFORCEMENT ACTION ICIS 12/08/2021
INTEGRATED COMPLIANCE INFORMATION SYSTEM MARKWEST HOUSTON GAS PLANT 3600119550 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 12/10/2015 ICIS-03-2016-0169
FORMAL ENFORCEMENT ACTION
TOXICS RELEASE INVENTORY SYSTEM
HOUSTON GAS PLANT 1530WHSTNG8WEST TRI REPORTER API 06/20/2023
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
HOUSTON GAS PLANT CEDRI10037616 COMPLIANCE AND EMISSIONS REPORTING API 06/03/2024
INTEGRATED COMPLIANCE INFORMATION SYSTEM MARKWEST HOUSTON GAS PLANT 3600119550 FORMAL ENFORCEMENT ACTION ICIS 09/14/2016 ICIS-03-2016-0169
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
AIR
1321
NATURAL GAS LIQUIDS

PA-EFACTS
1321
NATURAL GAS LIQUIDS

AIRS/AFS
1321
NATURAL GAS LIQUIDS

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 18
Legislative District Number:
HUC Code/Watershed: 05030101 / UPPER OHIO
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
HOUSTON GAS PLAN ICIS
MARKWEST LIBERTY MIDSTREAM AND RESOURCES, LLC AIR
MARKWEST HOUSTON NATURAL GAS PLT RCRAINFO
MARKWEST LIBERTY MIDSTREAM/ HOUSTON AIRS/AFS
MARKWEST LIBERTY MIDSTREAM & RESOURCES/H ICIS
MARKWEST LIBERTY MIDSTREAM & RESOURCES/HOUSTON GAS PLT AIR
MARKWEST HOUSTON GAS PLANT ICIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT OWNER
MARKWEST ENERGY PARTNERS, LP
E-GGRT


PARENT OWNER
MARATHON PETROLEUM COMPANY LP
E-GGRT


PARENT OWNER
MARKWEST ENERGY PARTNERS, L.P.
E-GGRT


OWNER/OPERATOR
MARKWEST LIBERTY MIDSTREAM & RESOURCES LLC
PA-EFACTS
View
OWNER
MARKWEST LIBERTY MIDSTREAM & RESOURCES L
RCRAINFO
View
PREPARER
NATHAN WHELDON
RMP


PARENT OWNER
MPLX LP
E-GGRT


OWNER
MARKWEST LIBERTY MIDSTREAM & RESOURCES
RCRAINFO
View
PARENT COMPANY 2
MPLX, L.P.
RMP


PREPARER
NATHAN WHELDON
RMP
View
PARENT COMPANY
MARKWEST ENERGY PARTNERS
TSCA
View
PARENT COMPANY
MARKWEST LIBERTY MIDSTREAM & RESOURCES LLC
EIS


OPERATOR
MARKWEST LIBERTY MIDSTREAM AND RESOURCES, L.L.C.
RCRAINFO


OPERATOR
MARKWEST LIBERTY MIDSTREAM & RESOURCES L
RCRAINFO
View
PARENT COMPANY 1
MARKWEST LIBERTY M&R, L.L.C.
RMP


PREPARER
NATHAN WHELDON
RMP
View
PREPARER
NATHAN WHELDON
RMP
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RMP 211112 NATURAL GAS LIQUID EXTRACTION.
AIRS/AFS 211112 NATURAL GAS LIQUID EXTRACTION.
ICIS 211112 NATURAL GAS LIQUID EXTRACTION.
RCRAINFO 23712 OIL AND GAS PIPELINE AND RELATED STRUCTURES CONSTRUCTION
ICIS 211112 NATURAL GAS LIQUID EXTRACTION.
ICIS 213112 SUPPORT ACTIVITIES FOR OIL AND GAS OPERATIONS.
E-GGRT 211130

TRIS 211130

RCRAINFO 211130

RMP 21113

EIS 211130

AIR 211130

ICIS 486210 PIPELINE TRANSPORTATION OF NATURAL GAS.
AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
ICIS 211112 NATURAL GAS LIQUID EXTRACTION.
AIR 211112 NATURAL GAS LIQUID EXTRACTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PREPARER 1515 ARAPAHOE ST. DENVER CO 802022137 RMP
PREPARER 1515 ARAPAHOE ST DENVER CO 80202-3150 RMP
PARENT COMPANY 1515 ARAPAHOE DENVER CO 80202 TSCA
OWNER/OPERATOR 800 WESTERN AVE. WASHINGTON PA 15301 RMP
OWNER/OPERATOR 1515 ARAPAHOE ST STE 700 DENVER 08 80202-2126 PA-EFACTS
OWNER 601 TECHNOLOGY DR STE 130 CANONSBURG PA 15317 RCRAINFO
OWNER/OPERATOR 800 WESTERN AVE WASHINGTON PA 15301 RMP
OWNER 1515 ARAPAHOE ST DENVER CO 80202 RCRAINFO
FACILITY MAILING ADDRESS 800 WESTERN AVE WASHINGTON 42 PA-EFACTS
PREPARER 1515 ARAPAHOE ST DENVER CO 80202 RMP
FACILITY MAILING ADDRESS 800 WESTERN AVE WASHINGTON PA 15301 RCRAINFO
OPERATOR 800 WESTERN AVE WASHINGTON PA 15301 RCRAINFO
REGULATORY CONTACT 601 TECHNOLOGY DR STE 130 CANONSBURG PA 15317 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
TECHNICAL CONTACT
MS. LEANNE MEYER


TSCA


PRIMARY FACILITY CONTACT
WILLIAM UHL
7245144324
AIR


PRIMARY FACILITY CONTACT
SAM S SCHUPBACH


AIR


PRIMARY FACILITY CONTACT
ALEXANDRA M JUAREZ
4128158886
AIR


REGULATORY CONTACT
ROBERT E MCHALE
724-416-0135
RCRAINFO


REGULATORY CONTACT
ROBERT E MCHALE
724-416-0135
RCRAINFO
View
REGULATORY CONTACT
MELISSA L BAGGAM
724-514-4392
RCRAINFO


FACILITY SITE CONTACT
NATHAN M WHELDON
3035420686
AIR


Query executed on: OCT-14-2025


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