FRS Facility Detail Report


WMATA - GLENMONT RAIL YARD

EPA Registry Id: 110013386175
12750 LAYHILL ROAD
SILVER SPRING, MD 20906-3415


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
WMATA - GLENMONT RAIL YARD MDR000507079 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2019
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
WMATA - GLENMONT RAIL YARD MDR000507079 SQG (Y) RCRAINFO

MARYLAND - PERMANENT (AIR) EMISSION
W M A T A - 12750 LAYHILL ROAD 031-1955 STATE MASTER MD-PEMIS
-
AIR MINOR
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
WMATA - GLENMONT YARD 1754 STATE MASTER MD-EPSC
-
NPDES STORMWATER PERMIT
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
WMATA - GLENMONT YARD MDR001241 ICIS-NPDES NON-MAJOR ICIS 09/25/2024 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
MARYLAND-RESOURCE CONVERSATION AND RECOVERY ACT DATABASE
WMATA GLENMONT YD 11359 STATE MASTER MD-RCRA
-MDR000507079
HAZARDOUS WASTE PROGRAM
AIR FACILITY SYSTEM
W M A T A - 12750 LAYHILL ROAD 2403101955 AIR MINOR (OPERATING) AIRS/AFS 11/08/2013
ICIS-AIR (AIR)
W M A T A - 12750 LAYHILL ROAD MD0000002403101955 AIR MINOR ICIS 10/19/2014

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MD-PEMIS
4111
LOCAL AND SUBURBAN TRANSIT

MD-EPSC
4111
LOCAL AND SUBURBAN TRANSIT

AIRS/AFS
4111
LOCAL AND SUBURBAN TRANSIT

AIR
4111
LOCAL AND SUBURBAN TRANSIT

NPDES
4111
LOCAL AND SUBURBAN TRANSIT

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
WMATA GLENMONT YD RCRAINFO
W M A T A - 12750 LAYHILL ROAD AIR
WMATA GLENMONT YARD MANUAL ENTRY

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OPERATOR
WASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY
RCRAINFO
View
OWNER
WASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 485111 MIXED MODE TRANSIT SYSTEMS.
AIR 485111 MIXED MODE TRANSIT SYSTEMS.
AIRS/AFS 485111 MIXED MODE TRANSIT SYSTEMS.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
OPERATOR 600 5TH STREET NW WASHINGTON DC 20001 RCRAINFO
FACILITY MAILING ADDRESS 3500 PENNSY DR, RM C-172 HYATTSVILLE MD 20785 RCRAINFO
REGULATORY CONTACT 3500 PENNSY DR, RM C-172 HYATTSVILLE MD 20785 RCRAINFO
OWNER 600 5TH STREET NW WASHINGTON DC 20001 RCRAINFO
OWNER 600 FIFTH ST NW WASHINGTON 20001 MD-RCRA
OWNER 3500 PENNSY DRIVE LANDOVER 20785 MD-EPSC

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
WASHINGTON METRO. AREA TRANSIT AUTHORITY
202-962-5113
MD-EPSC
View
OWNER
W M A T A - 12750 LAYHILL ROAD


MD-PEMIS


OWNER
WASHINGTON METRO AREA TRANSIT AUTHORITY
(202)962-5113
MD-RCRA
View

Query executed on: OCT-15-2025