FRS Facility Detail Report


MONT. CO. GOV. 4201 KNOWLES AVENUE

EPA Registry Id: 110001783614
4201 KNOWLES AVENUE
KENSINGTON, MD 20895-2408


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:
AIR FACILITY SYSTEM
MONT. CO. GOV. 4201 KNOWLES AVENUE 2403100419 AIR MINOR (OPERATING) AIRS/AFS 07/19/1999
ICIS-AIR (AIR)
MONT. CO. GOV. 4201 KNOWLES AVENUE MD0000002403100419 AIR MINOR ICIS 10/19/2014
MARYLAND - PERMANENT (AIR) EMISSION
MONT. CO. GOV. - 4201 KNOWLES AVENUE 031-0419 STATE MASTER MD-PEMIS
-
AIR MINOR

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
OWNE



MD-PEMIS
8231
LIBRARIES

AIRS/AFS
8231
LIBRARIES

AIRS/AFS
OWNE



AIR
8231
LIBRARIES

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
MONTGOMERY COunty GOVernment AIRS/AFS

Organizations

No Organizations returned.

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 519120 LIBRARIES AND ARCHIVES.
AIRS/AFS 519120 LIBRARIES AND ARCHIVES.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 4201 KNOWLES AVENUE KENSINGTON MD 20895 AIRS/AFS
FACILITY MAILING ADDRESS 4201 KNOWLES AVENUE KENSINGTON MD 20895 AIR

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
MONT. CO. GOV. - 4201 KNOWLES AVENUE
301-279-1331
MD-PEMIS


Query executed on: OCT-14-2025