FRS Facility Detail Report


CALVERT CLIFFS NUCLEAR POWER PLANT

EPA Registry Id: 110070733602
1650 CALVERT CLIFFS PKWY
LUSBY, MD 20657


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:
ICIS-AIR (AIR)
CALVERT CLIFFS NUCLEAR POWER PLANT, LLC MD0000002400900012 AIR SYNTHETIC MINOR ICIS 03/16/2016
EMISSION INVENTORY SYSTEM (EIS)
CALVERT CLIFFS NUCLEAR POWER PLANT, LLC 5169511 CRITERIA AIR POLLUTANT MAJOR EIS 01/09/2025
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
CALVERT CLIFFS NUCLEAR POWER PLANT 6011 ELECTRIC GENERATOR EIA-860 10/06/2020
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
CALVERT CLIFFS NUCLEAR POWER 12422 STATE MASTER MD-TEMPO
MDE_TEMPO-009-00012

MDE_TEMPO-009-0012-6-0039

MDE_TEMPO-009-0012-9-0094

MDE_TEMPO-009-0012-9-0095

MDE_TEMPO-24-009-0012

AIR FACILITY SYSTEM
CALVERT CLIFFS NUCLEAR POWER PLANT 2400900012 AIR MAJOR (OPERATING) AIRS/AFS 09/18/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
CALVERT CLIFFS NUCLEAR POWER PLANT, INC. MDR003238 ICIS-NPDES NON-MAJOR ICIS 02/22/2024
BIENNIAL REPORTERS
CALVERT CLIFFS NUCLEAR POWER PLANT MDD000621243 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2021
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
CALVERT CLIFFS NUCLEAR POWER PLANT, INC. 2092 STATE MASTER MD-EPSC
-
OIL CONTROL
-
NPDES MAJOR
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
CALVERT CLIFFS NUCLEAR POWER PLANT, LLC CEDRI2591 COMPLIANCE AND EMISSIONS REPORTING CEDRI 01/21/2016
RISK MANAGEMENT PLAN
CALVERT CLIFFS NUCLEAR POWER PLANT, INC. 100000006502 RMP REPORTER RMP

INTEGRATED COMPLIANCE INFORMATION SYSTEM CALVERT CLIFFS NUCLEAR POWER PLANT 600006551 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 10/26/2006
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
CALVERT CLIFFS NUCLEAR POWER PLANT, LLC MD0002399 ICIS-NPDES MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
BALTIMORE GAS & ELECTRIC CO CALVERT CLF MDT000621243 UNSPECIFIED UNIVERSE (N) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
CALVERT CLIFFS NUCLEAR POWER PLANT - OWNER CONTROLLED AREA MDG679613 ICIS-NPDES NON-MAJOR ICIS

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
CALVERT CLIFFS NUCLEAR POWER PLANT MDD000621243 LQG (Y) RCRAINFO

EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
CALVERT CLIFFS NUCLEAR POWER PLANT 6011 ELECTRIC POWER GENERATOR (NUCLEAR BASED) EGRID 02/24/2020
MARYLAND - PERMANENT (AIR) EMISSION
B G E - CALVERT CLIFFS 009-0012 STATE MASTER MD-PEMIS
-
AIR MAJOR

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
4911
ELECTRIC SERVICES

MD-TEMPO
UNK



AIRS/AFS
4911
ELECTRIC SERVICES

NPDES
2873
NITROGENOUS FERTILIZERS

MD-EPSC
4911
ELECTRIC SERVICES

MD-TEMPO
4911
ELECTRIC SERVICES

AIR
4911
ELECTRIC SERVICES

NPDES
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 03
Duns Number: 62500678
Congressional District Number: 05
Legislative District Number:
HUC Code/Watershed: 02060004 / SEVERN
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

No Alternative Names returned.

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
CALVERT CLIFFS NUCLEAR POWER PLANT, INC.
MD-TEMPO
View
OPERATOR
EXELON NUCLEAR
EGRID


MAILING ADDRESS
CALVERT CLIFFS NUCLEAR PWR.PLT
NPDES
View
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
BALTIMORE GAS AND ELECTRIC
EIA-860


PARENT COMPANY
BALTIMORE GAS AND ELECTRIC
EGRID


PARENT COMPANY
BALTIMORE GAS & ELECTRIC CO
EGRID


OPERATOR
EXELON NUCLEAR
EIA-860
View
PARENT COMPANY 1
CONSTELLATION ENERGY 62500678
RMP


JOINT PARENT COMPANY
EXELON NUCLEAR
EIA-860
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 221113 NUCLEAR ELECTRIC POWER GENERATION.
RMP 221113 NUCLEAR ELECTRIC POWER GENERATION.
MD-TEMPO 221113 NUCLEAR ELECTRIC POWER GENERATION.
EIA-860 22

RCRAINFO 221113 NUCLEAR ELECTRIC POWER GENERATION.
AIRS/AFS 221122 ELECTRIC POWER DISTRIBUTION.
EIS 221113 NUCLEAR ELECTRIC POWER GENERATION.
AIR 221122 ELECTRIC POWER DISTRIBUTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
GENERAL CONTACT 1650 CALVERT CLIFFS PKWY LUSBY MD 20857 MD-TEMPO
OWNER 1650 CALVERT CLIFFS PKWY LUSBY MD 20657 MD-TEMPO
INDIVIDUAL 1650 CALVERT CLIFFS PKWY LUSBY MD 20657 MD-TEMPO
JOINT PARENT COMPANY 4300 WINFIELD RD WARRENVILLE IL 60555 EIA-860
FACILITY MAILING ADDRESS 1650 CALVERT CLIFFS PARKWAY LUSBY MD 20657 RCRAINFO
GENERAL CONTACT 1650 CALVERT CLIFFS PKWY LUSBY MD 20657 MD-TEMPO
OPERATOR 4300 WINFIELD RD WARRENVILLE IL 60555 EIA-860
MAILING ADDRESS 1650 CALVERT CLIFFS PARKWAY LUSBY__(0187--CA) MD 20657 NPDES
REGULATORY CONTACT 1650 CALVERT CLIFFS PARKWAY LUSBY MD 20657 RCRAINFO
FACILITY MAILING ADDRESS ROUTES 2 & 4 LUSBY MD 20657 RCRAINFO
GENERAL CONTACT CALVER CLIFFS NUCLEAR POWER PLANT INC. LUSBY MD 20657 MD-TEMPO
FACILITY MAILING ADDRESS 1650 CALVERT CLIFFS PARKWAY LUSBY MD 20657 AIRS/AFS
FACILITY MAILING ADDRESS 1650 CALVERT CLIFFS PARKWAY LUSBY MD 20657 AIR
INDIVIDUAL CALVER CLIFFS NUCLEAR POWER PLANT INC. LUSBY MD 20657 MD-TEMPO
REGULATORY CONTACT ROUTES 2 & 4 LUSBY MD 20657 RCRAINFO
OWNER 1650 CALVERT CLIFFS PARKWAY - NOF-3 LUSBY 20657 MD-EPSC

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
GENERAL CONTACT
JOSEPH E POLLOCK
410-495-4101
MD-TEMPO
View
GENERAL CONTACT
CHRISTOPHER R COSTANZO
410-495-5219
MD-TEMPO
View
REGULATORY CONTACT
JAMES B WHITNEY
410-495-2429
RCRAINFO
View
OWNER
B G E - CALVERT CLIFFS
410-495-4065
MD-PEMIS


GENERAL CONTACT
MARK D FLAHERTY
410-495-4101
MD-TEMPO
View
INDIVIDUAL
CHRISTOPHER R COSTANZO
410-495-5219
MD-TEMPO
View
GENERAL CONTACT
MARK D FLAHERTY
410-495-4101
MD-TEMPO
View
GENERAL CONTACT
CHRISTOPHER R COSTANZO
410-495-5219
MD-TEMPO
View
INDIVIDUAL
DOUGLAS R BAUDER
410-495-4101
MD-TEMPO
View
INDIVIDUAL
MARK D FLAHERTY
410-495-4101
MD-TEMPO
View
GENERAL CONTACT
DOUGLAS R BAUDER
410-495-4101
MD-TEMPO
View
OWNER
CALVERT CLIFFS NUCLEAR POWER PLANT, INC.
410-495-4600
MD-EPSC
View

Query executed on: OCT-14-2025