FRS Facility Detail Report


WASHINGTON GAS ROCKVILLE STATION

EPA Registry Id: 110001833963
7301 WESTMORE ROAD
ROCKVILLE, MD 20850-1279


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:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
WASHINGTON GAS - ROCKVILLE STATION MDD981945876 SQG (Y) RCRAINFO

MARYLAND - PERMANENT (AIR) EMISSION
WASHINGTON GAS - ROCKVILLE STATION 031-1951 STATE MASTER MD-PEMIS
-
AIR MAJOR
EMISSION INVENTORY SYSTEM (EIS)
WASHINGTON GAS - ROCKVILLE STATION 14531711 CRITERIA AIR POLLUTANT MAJOR EIS 01/09/2025
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
WASHINGTON GAS - ROCKVILLE ST 5093 STATE MASTER MD-TEMPO
MDE_TEMPO-031-1951-5-2271

MDE_TEMPO-031-1951-5-2270

MDE_TEMPO-24-031-1951

ICIS-AIR (AIR)
WASHINGTON GAS - ROCKVILLE STATION MD0000002403101951 AIR MAJOR ICIS 03/16/2016
MINNESOTA - PERMITTING, COMPLIANCE, AND ENFORCEMENT INFORMATION MANAGEMENT SYSTEM
WASHINGTON GAS ROCKVILLE STAT 41048 STATE MASTER MN-TEMPO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
WASHINGTON GAS ROCKVILLE STATION MD3824P15 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
WASHINGTON GAS - ROCKVILLE STATION 2403101951 AIR MAJOR (OPERATING) AIRS/AFS 08/11/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
ROCKVILLE PLANT MDG675217 ICIS-NPDES NON-MAJOR ICIS

BIENNIAL REPORTERS
WASHINGTON GAS - ROCKVILLE STATION MDD981945876 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2021

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MD-TEMPO
UNK



MD-PEMIS
4924
NATURAL GAS DISTRIBUTION

AIRS/AFS
4924
NATURAL GAS DISTRIBUTION

MD-TEMPO
4924
NATURAL GAS DISTRIBUTION

AIR
4924
NATURAL GAS DISTRIBUTION

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 08
Legislative District Number:
HUC Code/Watershed: 02070010 / MIDDLE POTOMAC-ANACOSTIA-OCCOQUAN
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
ROCKVILLE STATION E-GGRT
WASHINGTON GAS LIGHT CO-ROCKVILLE STATN RCRAINFO
WASHINGTON GAS ROCKVILLE PLANT BR

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
ORGANIZATION
PATTON, HARRIS, RUST & ASSOCIATES-A PENNONI COMPANY
MD-TEMPO
View
OPERATOR
WASHINGTON GAS LIGHT COMPANY
RCRAINFO
View
ORGANIZATION
WILLIAMSBURG ENVIRONMENTAL GROUP INC
MD-TEMPO
View
OWNER
WILLIAMSBURG ENVIRONMENTAL GROUP INC
MD-TEMPO
View
ORGANIZATION
WASHINGTON GAS LIGHT COMPANY
MD-TEMPO
View
OWNER
WASHINGTON GAS LIGHT COMPANY
RCRAINFO
View
OWNER
WASHINGTON GAS LIGHT COMPANY
MD-TEMPO
View
PARENT COMPANY
WASHINGTON GAS
EIS


OWNER
PATTON, HARRIS, RUST & ASSOCIATES-A PENNONI COMPANY
MD-TEMPO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
MD-TEMPO 221210 NATURAL GAS DISTRIBUTION.
RCRAINFO 221210 NATURAL GAS DISTRIBUTION.
AIR 221210 NATURAL GAS DISTRIBUTION.
EIS 221210 NATURAL GAS DISTRIBUTION.
AIRS/AFS 221210 NATURAL GAS DISTRIBUTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
INDIVIDUAL 6801 INDUSTRIAL ROAD SPRINGFIELD VA 22151 MD-TEMPO
OWNER ATTN: LORETTA CUMMINGS FREDERICKSBURG VA 23188 MD-TEMPO
GENERAL CONTACT 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 MD-TEMPO
FACILITY MAILING ADDRESS 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 RCRAINFO
OPERATOR 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 RCRAINFO
ORGANIZATION 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 MD-TEMPO
OWNER 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 RCRAINFO
INDIVIDUAL 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 MD-TEMPO
GENERAL CONTACT 6801 INDUSTRIAL ROAD SPRINGFIELD VA 22151-4294 MD-TEMPO
REGULATORY CONTACT 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 RCRAINFO
GENERAL CONTACT 6801 INDUSTRIAL ROAD SPRINGFIELD VA 22151 MD-TEMPO
INDIVIDUAL 7301 WESTMORE RD ROCKVILLE MD 20850 MD-TEMPO
OWNER ATTN: JAMES L WALKER CHANTILLY VA 20151 MD-TEMPO
OWNER 6801 INDUSTRIAL RD SPRINGFIELD VA 22151 MD-TEMPO
ORGANIZATION ATTN: JAMES L WALKER CHANTILLY VA 20151 MD-TEMPO
ORGANIZATION ATTN: LORETTA CUMMINGS FREDERICKSBURG VA 23188 MD-TEMPO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
GENERAL CONTACT
HILLERY KELLY
703-750-1000
MD-TEMPO
View
GENERAL CONTACT
MARY JEAN BRADY
703-750-5558
MD-TEMPO
View
INDIVIDUAL
JERRY F KIDWELL
703-750-7687
MD-TEMPO
View
GENERAL CONTACT
JERRY F KIDWELL
703-750-7687
MD-TEMPO
View
OWNER
WASHINGTON GAS - ROCKVILLE STATION
301-750-4849
MD-PEMIS


GENERAL CONTACT
JERRY F KIDWELL
703-750-7687
MD-TEMPO
View
GENERAL CONTACT
HILLERY KELLY
703-750-1000
MD-TEMPO
View
INDIVIDUAL
HILLERY KELLY
703-750-1000
MD-TEMPO
View
INDIVIDUAL
BRANDON ASHBY
703-750-5610
MD-TEMPO
View
GENERAL CONTACT
BRANDON ASHBY
703-750-5610
MD-TEMPO


INDIVIDUAL
MARY JEAN BRADY
703-750-5558
MD-TEMPO
View

Query executed on: OCT-14-2025