FRS Facility Detail Report


JOHNS HOPKINS UNIVERSITY - APL

EPA Registry Id: 110019858402
11100 JOHNS HOPKINS
LAUREL, MD 20723-6005


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:
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORATORY MDR003586 ICIS-NPDES NON-MAJOR ICIS

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
JOHNS HOPKINS APPLIED PHYSICS LAB MD0070009 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC MDD040549461 LQG (Y) RCRAINFO
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
JOHNS HOPKINS-APPLIED PHYSICS LAB 2402700050 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 01/07/2014
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
JOHNS HOPKINS UNIVERSITY - AP 2984 STATE MASTER MD-TEMPO
MDE_TEMPO-027-0092-9-0359

MDE_TEMPO-027-0092-9-0367

MDE_TEMPO-027-0092-9-0360

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABBORATORY LLC MDG675179 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LAB 3307 STATE MASTER MD-EPSC
-
GROUNDWATER PROGRAM
-
OIL CONTROL
NATIONAL COMPLIANCE DATABASE
JOHNS HOPKINS UNIV. APPLIED PHYSICS LAB D03#327 COMPLIANCE ACTIVITY NCDB

BIENNIAL REPORTERS
THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC MDD040549461 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2021
MARYLAND - PERMANENT (AIR) EMISSION
JOHNS HOPKINS UNIVERSITY - APL 027-0050 STATE MASTER MD-PEMIS
-
AIR MAJOR
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
JOHNS HOPKINS UNIVERSITY - APL CEDRI10021531 COMPLIANCE AND EMISSIONS REPORTING API 12/14/2018
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABBORATORY LLC MDR002408 ICIS-NPDES NON-MAJOR ICIS 12/11/2023 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM JOHNS HOPKINS APPLIED PHYSICS LAB 36001 FORMAL ENFORCEMENT ACTION ICIS 01/22/1998 ICIS-03-1988-0204
FORMAL ENFORCEMENT ACTION
ICIS-03-1988-0327
FORMAL ENFORCEMENT ACTION
ICIS-03-1987-0038
FORMAL ENFORCEMENT ACTION
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
JOHNS HOPKINS UNIVERSITY - AP 2846 STATE MASTER MD-TEMPO
MDE_TEMPO-027-0050-5-0359

MDE_TEMPO-027-0050-5-0340

MDE_TEMPO-027-0050-5-0360

MDE_TEMPO-027-0050-9-0327

MDE_TEMPO-027-0050-9-0320

MDE_TEMPO-027-0050-5-0346

MDE_TEMPO-027-0050-9-0328

MDE_TEMPO-027-0050-9-0321

MDE_TEMPO-027-0050-5-0302

MDE_TEMPO-027-0050-5-0343

MDE_TEMPO-027-0050-5-0103

MDE_TEMPO-027-00050

MDE_TEMPO-027-0050-5-0092

MDE_TEMPO-027-0050-5-0102

MDE_TEMPO-027-0050-5-0184

MDE_TEMPO-027-0050-5-0185

MDE_TEMPO-027-0050-5-0228

MDE_TEMPO-027-0050-5-0260

MDE_TEMPO-027-0050-5-0302

MDE_TEMPO-027-0050-5-0339

MDE_TEMPO-027-0050-5-0340

MDE_TEMPO-027-0050-5-0341

MDE_TEMPO-027-0050-5-0343

MDE_TEMPO-027-0050-5-0344

MDE_TEMPO-027-0050-5-0345

MDE_TEMPO-027-0050-5-0346

MDE_TEMPO-027-0050-5-0393

MDE_TEMPO-027-0050-5-0394

MDE_TEMPO-027-0050-6-0392

MDE_TEMPO-027-0050-6-0393

MDE_TEMPO-027-0050-6-0394

MDE_TEMPO-027-0050-9-0263

MDE_TEMPO-027-0050-9-0264

MDE_TEMPO-027-0050-9-0273

MDE_TEMPO-027-0050-9-0283

MDE_TEMPO-027-0050-9-0284

MDE_TEMPO-027-0050-9-0287

MDE_TEMPO-027-0050-9-0321

MDE_TEMPO-027-0050-9-0331

MDE_TEMPO-027-0050-9-0359

MDE_TEMPO-027-0050-9-0360

MDE_TEMPO-027-0050-9-0367

MDE_TEMPO-027-0050-9-0376

MDE_TEMPO-027-0050-5-0341

MDE_TEMPO-027-0050-5-0345

MDE_TEMPO-027-0050-9-0339

MDE_TEMPO-027-0050-5-0339

MDE_TEMPO-027-0050-5-0344

MDE_TEMPO-027-0050-9-0376

ICIS-AIR (AIR)
JOHNS HOPKINS UNIVERSITY - APL MD0000002402700050 AIR SYNTHETIC MINOR ICIS 03/16/2016
INTEGRATED COMPLIANCE INFORMATION SYSTEM JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY 3400060979 FORMAL ENFORCEMENT ACTION ICIS 08/23/2019

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MD-EPSC
7397



MD-TEMPO
8221
COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS

AIRS/AFS
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

MD-TEMPO
UNK



NPDES
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

NPDES
4119
LOCAL PASSENGER TRANSPORTATION, NOT ELSEWHERE CLASSIFIED

MD-TEMPO
8731
COMMERCIAL PHYSICAL AND BIOLOGICAL RESEARCH

NPDES
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

ICIS
8731
COMMERCIAL PHYSICAL AND BIOLOGICAL RESEARCH

MD-PEMIS
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

MD-TEMPO
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

AIR
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

NPDES
8733
NONCOMMERCIAL RESEARCH ORGANIZATIONS

MD-TEMPO
UNK



Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 03
Legislative District Number:
HUC Code/Watershed: 02060006 / PATUXENT
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
JOHNS HOPKINS UNIVERSITY HAZARDOUS WASTE REPORT
JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABBORATORY LLC NPDES
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LAB MD-EPSC
JOHNS HOPKINS APPLIED PHYSICS LAB NOTIFICATION (RCRA)

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
ORGANIZATION
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORAT
MD-TEMPO
View
ORGANIZATION
THE JOHNS HOPKINS UNIVERSITY
MD-TEMPO
View
ORGANIZATION
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORATORY
MD-TEMPO
View
OWNER
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORAT
MD-TEMPO
View
OWNER
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORAT
MD-TEMPO
View
OWNER
THE JOHNS HOPKINS UNIVERSITY
MD-TEMPO
View
ORGANIZATION
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORATORY
MD-TEMPO
View
OWNER
JOHNS HOPKINS UNIVERSITY (JHU)
MD-TEMPO
View
ORGANIZATION
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LABORAT
MD-TEMPO
View
OWNER
THE JOHNS HOPKINS UNIVERSITY
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
MD-TEMPO 541712

RCRAINFO 541713

ICIS 541711

AIRS/AFS 541712

MD-TEMPO 541712

AIR 541711

RCRAINFO 541714

AIR 541715

MD-TEMPO 611310 COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS.
AIR 541712

MD-TEMPO 54171 RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES
AIR 541714

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
INDIVIDUAL PO BOX 294 DELMAR DE 19940 MD-TEMPO
GENERAL CONTACT 11100 JOHNS HOPKINS RD LAUREL MD 20723 MD-TEMPO
MAILING ADDRESS JHUAPL 11100 JOHNS HOPKINS ROAD LAUREL MD 20723 CEDRI
GENERAL CONTACT PO BOX 294 DELMAR DE 19940 MD-TEMPO
INDIVIDUAL 11100 JOHNS HOPKINS RD LAUREL MD 20723 MD-TEMPO
OWNER 11100 JOHNS HOPKINS RD LAUREL MD 20723 MD-TEMPO
FACILITY MAILING ADDRESS 11100 JOHNS HOPKINS ROAD LAUREL MD 20723 RCRAINFO
OPERATOR 11100 JOHNS HOPKINS RD LAUREL MD 20723 RCRAINFO
GENERAL CONTACT 11100 JOHNS HOPKINS RD, MS17N236 LAUREL MD 20723 MD-TEMPO
ORGANIZATION 3400 N CHARLES ST BALTIMORE MD 21218 MD-TEMPO
GENERAL CONTACT 11100 JOHNS HOPKINS RD; MS 17-N236 LAUREL MD 207236099 MD-TEMPO
OWNER 11100 JOHNS HOPKINS ROAD, 25-228 LAUREL 207236099 MD-EPSC
REGULATORY CONTACT 11100 JOHNS HOPKINS ROAD LAUREL MD 20723 RCRAINFO
FACILITY MAILING ADDRESS 11100 JOHNS HOPKINS ROAD LAUREL MD 20723 AIRS/AFS
FACILITY MAILING ADDRESS 11100 JOHNS HOPKINS ROAD LAUREL MD 20723 AIR
INDIVIDUAL 11100 JOHNS HOPKINS RD, MS17N236 LAUREL MD 20723 MD-TEMPO
OWNER 300 NORTH CHARLES STREET BALTIMORE MD 21218 RCRAINFO
ORGANIZATION 11100 JOHNS HOPKINS RD LAUREL MD 20723 MD-TEMPO
OWNER 3400 N CHARLES ST BALTIMORE MD 21218 MD-TEMPO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
JOHNS HOPKINS UNIVERSITY - APPLIED PHYSICS LAB


MD-EPSC
View
GENERAL CONTACT
RUTH E NIMMO
443-778-6452
MD-TEMPO
View
OWNER
JOHNS HOPKINS UNIVERSITY - APL
410-778-6809
MD-PEMIS


GENERAL CONTACT
JESSE M WATSON
443-778-4718
MD-TEMPO
View
INDIVIDUAL
GARFIELD R WATSON
443-778-6452
MD-TEMPO
View
INDIVIDUAL
GARFIELD R WATSON
443-783-4997
MD-TEMPO
View
GENERAL CONTACT
GARFIELD R WATSON
443-778-6452
MD-TEMPO
View
GENERAL CONTACT
GARFIELD R WATSON
443-778-6452
MD-TEMPO
View
INDIVIDUAL
RUTH E NIMMO
443-778-6452
MD-TEMPO
View
GENERAL CONTACT
JESSE M WATSON
443-778-4718
MD-TEMPO
View
GENERAL CONTACT
DAVID K ERMER
443-778-6453
MD-TEMPO
View
GENERAL CONTACT
JESSE M WATSON
443-778-4718
MD-TEMPO
View
GENERAL CONTACT
DAVID K ERMER
443-778-6453
MD-TEMPO
View
GENERAL CONTACT
JESSE M WATSON
443-778-4718
MD-TEMPO
View
INDIVIDUAL
JESSE M WATSON
443-778-4718
MD-TEMPO
View
INDIVIDUAL
KEISHA M ENGLISH
443-778-2236
MD-TEMPO
View
INDIVIDUAL
JESSE M WATSON
443-778-4718
MD-TEMPO
View
GENERAL CONTACT
KEISHA M ENGLISH
443-778-2236
MD-TEMPO
View

Query executed on: OCT-15-2025