FRS Facility Detail Report


MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT

EPA Registry Id: 110060012418
736 PROSPECT RD
EVANS CITY, PA 16033


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:
TOXICS RELEASE INVENTORY SYSTEM
MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT 1603WMRKWS736PR TRI REPORTER API 06/27/2023
AIR FACILITY SYSTEM
MARKWEST LIBERTY BLUESTONE LLC/SARSEN GA 4201900134 AIR MINOR (OPERATING) AIRS/AFS 09/11/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT CEDRI10104767 COMPLIANCE AND EMISSIONS REPORTING API 07/16/2025
ICIS-AIR (AIR)
MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT PA000726031 AIR MINOR ICIS 02/11/2016
PENNSYLVANIA - ENVIRONMENTAL FACILITY APPLICATION COMPLIANCE TRACKING SYSTEM MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT 45-5100747-1 STATE MASTER PA-EFACTS

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
1389
OIL AND GAS FIELD SERVICES, NOT ELSEWHERE CLASSIFIED

AIR
1389
OIL AND GAS FIELD SERVICES, NOT ELSEWHERE CLASSIFIED

AIR
1321
NATURAL GAS LIQUIDS

PA-EFACTS
1389
OIL AND GAS FIELD SERVICES, NOT ELSEWHERE CLASSIFIED

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 03
Legislative District Number:
HUC Code/Watershed: 05030105 / CONNOQUENESSING
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land:

Alternative Names

No Alternative Names returned.

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER/OPERATOR
MARKWEST LIBERTY BLUESTONE LLC
PA-EFACTS
View
MAILING ADDRESS
MARKWEST LIBERTY BLUESTONE LLC
AIR
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 211130

AIRS/AFS 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
TRIS 211130

AIR 211112 NATURAL GAS LIQUID EXTRACTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS 736 PROSPECT RD EVANS CITY PA 16033 AIR
FACILITY MAILING ADDRESS 736 PROSPECT RD EVANS CITY 42 PA-EFACTS
OWNER/OPERATOR 601 TECHNOLOGY DR STE 300 CANONSBURG 42 15317-9523 PA-EFACTS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
PRIMARY FACILITY CONTACT
NATHAN WHELDON
3035420686
AIR


FACILITY SITE CONTACT
NATHAN WHELDON
3035420686
AIR


Query executed on: OCT-14-2025


Additional information for CERCLIS or TRI sites:

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