FRS Facility Detail Report


EXELON THREE MILE ISLAND NUCLEAR STA

EPA Registry Id: 110006646415
ROUTE 441 SOUTH
MIDDLETOWN, PA 17057


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:
PENNSYLVANIA - ENVIRONMENTAL FACILITY APPLICATION COMPLIANCE TRACKING SYSTEM EXELON GENERATION CO LLC/THREE MILE ISLAND NUCLEAR STA 23-3064219-31 STATE MASTER PA-EFACTS

EMISSION INVENTORY SYSTEM (EIS)
THREE MILE ISLAND 12056511 AIR MINOR EIS 06/05/2024
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
THREE MILE ISLAND NUCLEAR STATION PAR000037861 SQG (Y) RCRAINFO

AIR FACILITY SYSTEM
EXELON GENERATION CO LLC/THREE MILE ISLA 4204300687 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 09/19/2014
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
THREE MILE ISLAND 8011 ELECTRIC GENERATOR EIA-860 10/06/2020

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
PA-EFACTS
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 03
Duns Number: 001807150
Congressional District Number: 15
Legislative District Number: 3
HUC Code/Watershed: 02050305 / LOWER SUSQUEHANNA-SWATARA
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
THREE MILE ISLAND NUCLEAR STA UNIT 1 NOTIFICATION (RCRA)
EXELON NUCLEAR FRS
AMERGEN PA eFACTS
AMERGEN ENERGY COMPANY LLC NPDES PERMIT
THREE MILE ISLAND EIA-860
EXELON FRS
AMERGEN ENERGY CO LL/THREE MILE ISLAND N AIRS/AFS
EXELON GENERATION CO LLC/THREE MILE ISLAND NUCLEAR STA PA-EFACTS
EXELON GENERATION CO LLC/THREE MILE ISLA AIRS/AFS
THREE MILE ISLAND NUCLEAR STATION RCRAINFO

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OPERATOR
EXELON GENERATION CO LLC
RCRAINFO
View
OWNER/OPERATOR
METROPOLITAN EDISON CO
EIA-860


PARENT COMPANY
EXELON NUCLEAR
EIA-860
View
OPERATOR
EXELON GENERATION CO LLC
RCRAINFO


TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
METROPOLITAN EDISON CO
EIA-860


OPERATOR
EXELON NUCLEAR
EGRID


OWNER
EXELON GENERATION CO LLC
RCRAINFO
View
OWNER/OPERATOR
EXELON GENERATION CO LLC
PA-EFACTS
View
PARENT COMPANY
METROPOLITAN EDISON CO
EGRID


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIRS/AFS 221113 NUCLEAR ELECTRIC POWER GENERATION.
RCRAINFO 221113 NUCLEAR ELECTRIC POWER GENERATION.
EIS 488119 OTHER AIRPORT OPERATIONS.
EIA-860 22

PA-EFACTS 562119 OTHER WASTE COLLECTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
OWNER 300 EXELON WAY KENNETT SQUARE PA 19348-2473 RCRAINFO
FACILITY MAILING ADDRESS 2625 RIVER RD MIDDLETOWN PA 17057-5122 RCRAINFO
OPERATOR 300 EXELON WAY KENNETT SQUARE PA 19348-2473 RCRAINFO
PARENT COMPANY 4300 WINFIELD RD WARRENVILLE IL 60555 EIA-860
FACILITY MAILING ADDRESS ROUTE 441 S MIDDLETOWN 42 PA-EFACTS
OWNER/OPERATOR 300 EXELON WAY KENNETT SQUARE 42 19348 PA-EFACTS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
COMPLIANCE CONTACT
SCOTT R COGLEY
7179488881
AIRS/AFS


REGULATORY CONTACT
DEBRA J MUSSER
717-948-8482
RCRAINFO


UNKNOWN CONTACT
SCOTT R COGLEY
7179488881
AIRS/AFS


Query executed on: OCT-15-2025