FRS Facility Detail Report


MYSTIC STATION UNITS 8 AND 9

EPA Registry Id: 110000310841
173 ALFORD ST
CHARLESTOWN, MA 02129


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
MYSTIC STATION UNIT 7 MAR000010686 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2021
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
MYSTIC GENERATING STATION 1588 ELECTRIC GENERATOR EIA-860 10/06/2020
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
SITHE NEW ENGLAND MAD000842401 OTHER HAZARDOUS WASTE ACTIVITIES (Y) RCRAINFO

INTEGRATED COMPLIANCE INFORMATION SYSTEM BOSTON GENERATING MYSTIC 1 31008 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 03/08/2004 ICIS-01-2002-0203
FORMAL ENFORCEMENT ACTION
ICIS-01-1995-0072
FORMAL ENFORCEMENT ACTION
ICIS-01-2002-0184
FORMAL ENFORCEMENT ACTION
INTEGRATED COMPLIANCE INFORMATION SYSTEM CONSTELLATION MYSTIC GENERATING STATION 3400044345 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 08/09/2013
EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
MYSTIC 1588 ELECTRIC POWER GENERATOR (GAS BASED) EGRID 02/24/2020
MASSACHUSETTS - ENVIRONMENTAL PROTECTION INTEGRATED COMPUTER SYSTEM
MYSTIC STATION 306586 STATE MASTER MA-EPICS
EPICS-308385
AIR STATIONARY POINT SOURCE
EPICS-308386
HAZARDOUS WASTE PROGRAM
EPICS-311483
HAZARDOUS WASTE PROGRAM
INTEGRATED COMPLIANCE INFORMATION SYSTEM BOSTON GENERATING MYSTIC 1 31008 FORMAL ENFORCEMENT ACTION ICIS 10/28/2002 ICIS-01-2002-0203
FORMAL ENFORCEMENT ACTION
ICIS-01-1995-0072
FORMAL ENFORCEMENT ACTION
ICIS-01-2002-0184
FORMAL ENFORCEMENT ACTION
AIR FACILITY SYSTEM
MYSTIC STATION 2511900128 AIR MAJOR (OPERATING) AIRS/AFS 08/29/2014 ICIS-01-2002-0203
FORMAL ENFORCEMENT ACTION
ICIS-01-2002-0184
FORMAL ENFORCEMENT ACTION
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
CONSTELLATION ENERGY MYSTIC STATION MA0004740 ICIS-NPDES MAJOR ICIS 07/28/2006 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
MYSTIC 1000653 GREENHOUSE GAS REPORTER E-GGRT 04/19/2025
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SITHE MYSTIC DEVELOPMENT MAR10A803 ICIS-NPDES NON-MAJOR ICIS

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MYSTIC STATION UNIT 7 MAR000010686 VSQG (Y) RCRAINFO
ICIS-01-2002-0203
FORMAL ENFORCEMENT ACTION
ICIS-01-2002-0184
FORMAL ENFORCEMENT ACTION
TOXICS RELEASE INVENTORY SYSTEM
MYSTIC STATION 02129MYSTC173AL TRI REPORTER TRIS 06/12/2019 ICIS-01-2002-0203
FORMAL ENFORCEMENT ACTION
ICIS-01-2002-0184
FORMAL ENFORCEMENT ACTION
ICIS-AIR (AIR)
MYSTIC STATION MA0000002511900128 AIR MAJOR ICIS 10/19/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MYSTIC STATION, UNIT 7 MANOE3315 STORM WATER INDUSTRIAL ICIS 08/27/2020
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MYSTIC STATION, UNITS 8&9 MAR053383 STORM WATER INDUSTRIAL ICIS 07/27/2021 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MYSTIC STATION UNITS 8 AND 9 MAR000502484 SQG (Y) RCRAINFO

MASSACHUSETTS - ENVIRONMENTAL PROTECTION INTEGRATED COMPUTER SYSTEM
MYSTIC STATION UNITS 8 & 9 374372 STATE MASTER MA-EPICS
EPICS-378303
HAZARDOUS WASTE PROGRAM
EMISSION INVENTORY SYSTEM (EIS)
MYSTIC STATION 7240911 HAZARDOUS AND CRITERIA AIR POLLUTANT MAJOR EIS 01/06/2025
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
CONSTELLATION MYSTIC GENERATING STATION CEDRI10001757 COMPLIANCE AND EMISSIONS REPORTING API 05/21/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MYSTIC STATION, UNIT 7 MANOE3315 ICIS-NPDES NON-MAJOR ICIS 08/27/2020
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MYSTIC STATION, UNITS 8&9 MAR053383 ICIS-NPDES NON-MAJOR ICIS 07/27/2021 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MYSTIC SUBSTATION (SUBSTATION 250) MAG910816 ICIS-NPDES NON-MAJOR ICIS 12/17/2018
CLEAN AIR MARKETS DIVISION (CAMD) BUSINESS SYSTEMS
MYSTIC 1588 AIR PROGRAM CAMDBS 08/01/2008

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
NPDES
4911
ELECTRIC SERVICES

AIR
4911
ELECTRIC SERVICES

CAMDBS
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 01
Duns Number: 1807150, 001807150, 62500678
Congressional District Number: 07
Legislative District Number: N
HUC Code/Watershed: 01090001 / CHARLES
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
SITHE MYSTIC L L C TRI REPORTING FORM
BOSTON GENERATING MYSTIC I LLC MA-EPICS
CONSTELLATION ENERGY MYSTIC STATION MANUAL ENTRY
BOSTON GENERATING MYSTIC I, LLC - CHARLESTOWN OIL
MYSTIC GENERATING STATION EIA-860
BOSTON EDISON RCRAINFO
EXELON MYSTIC STATION MANUAL ENTRY
MYSTIC CAMDBS
BOSTON GENERATING LLC MYSTIC STATION NEI
SITHE MYSTIC DEVELOPMENT NPDES PERMIT
MYSTIC STATION AIRS/AFS
EXELON MYSTIC LLC EIS
CONSTELLATION MYSTIC GENERATING STATION ICIS
BOSTON GENERATING CO AIR
BOSTON GENERATING STATION MYSTIC I MANUAL ENTRY
SITHE - MYSTIC STATION FRP

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
NSTAR ELECTRIC COMPANY
EIA-860


PARENT COMPANY
CONSTELLATION MYSTIC POWER LLC
EIA-860
View
REGULATORY CONTACT
MYSTIC STATION
MA-EPICS
View
OPERATOR
BOSTON GENERATING MYSTIC I LLC
NPDES
View
OWNER
BOSTON GENERATING MYSTIC I LLC
NPDES
View
OPERATOR
EXELON MYSTIC LLC
RCRAINFO


OPERATOR
CONSTELLATION MYSTIC POWER, LLC
RCRAINFO
View
OPERATOR
CONSTELLATION MYSTIC POWER, LLC
RCRAINFO
View
PARENT COMPANY
EXELON CORP 001807150
TRIS


PARENT OWNER
EXELON CORP
E-GGRT


PARENT COMPANY
CONSTELLATION MYSTIC POWER LLC
EIA-860
View
REGULATORY CONTACT
MYSTIC STATION UNITS 8 & 9
MA-EPICS
View
MAILING ADDRESS
BOSTON GENERATING MYSTIC I LLC
NPDES
View
OWNER
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View
OPERATOR
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View
OWNER
CONSTELLATION MYSTIC POWER, LLC
RCRAINFO
View
OPERATOR
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View
REGULATORY CONTACT
EXELON MYSTIC LLC
MA-EPICS
View
REGULATORY CONTACT
MYSTIC STATION UNIT 7
MA-EPICS
View
PARENT COMPANY
CONSTELLATION MYSTIC POWER LLC
EIS


OPERATOR
BOSTON GENERATING MYSTIC I LLC
NPDES
View
PARENT COMPANY
CONSTELLATION MYSTIC POWER, LLC
EIA-860
View
OWNER/OPERATOR
NSTAR ELECTRIC COMPANY
EIA-860


REGULATORY CONTACT
EXELON MYSTIC LLC
MA-EPICS
View
OWNER
MYSTIC STATION UNITS 8 & 9
MA-EPICS
View
OWNER
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View
OWNER/OPERATOR
CONSTELLATION MYSTIC POWER, LLC
CAMDBS


REGULATORY CONTACT
SITHE NEW ENGLAND
MA-EPICS
View
REGULATORY CONTACT
EXELON MYSTIC DEVELOPMENT LLC
MA-EPICS
View
OWNER
BOSTON GENERATING MYSTIC I LLC
NPDES
View
PARENT OWNER
CONSTELLATION MYSTIC POWER LLC
E-GGRT


OPERATOR
CONSTELLATION MYSTIC POWER LLC
EGRID


REGULATORY CONTACT
BOSTON GENERATING MYSTIC I LLC
MA-EPICS
View
OWNER
MYSTIC STATION
MA-EPICS
View
MAILING ADDRESS
BOSTON GENERATING MYSTIC I LLC
NPDES
View
PARENT COMPANY
NSTAR ELECTRIC COMPANY
EGRID


REGULATORY CONTACT
BOSTON GENERATING MYSTIC I LLC
MA-EPICS
View
OWNER
CONSTELLATION MYSTIC POWER LLC
RCRAINFO


PARENT OWNER
CONSTELLATION ENERGY 62500678
E-GGRT


PARENT OWNER
EXELON 1807150
E-GGRT


OWNER/OPERATOR
BOSTON GENERATING LLC
EIA-860
View
OPERATOR
BOSTON GENERATING MYSTIC I LLC
NPDES
View
OWNER
CONSTELLATION MYSTIC POWER, LLC
RCRAINFO
View
OPERATOR
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View
OPERATOR
CONSTELLATION MYSTIC POWER LLC
RCRAINFO


OWNER
CONSTELLATION MYSTIC POWER LLC
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
TRIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
RCRAINFO 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
TRIS 221210 NATURAL GAS DISTRIBUTION.
MA-EPICS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
MA-EPICS 2211 ELECTRIC POWER GENERATION, TRANSMISSION AND DISTRIBUTION
MA-EPICS 2211 ELECTRIC POWER GENERATION, TRANSMISSION AND DISTRIBUTION
CAMDBS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIRS/AFS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIA-860 22

E-GGRT 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
RCRAINFO 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
MA-EPICS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIR 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PRIMARY FACILITY SITE CONTACT 173 ALFORD STREET EVERETT MA 02129 CAMDBS
PRIMARY FACILITY SITE CONTACT 173 ALFORD STREET CHARLESTOWN MA 02129 CAMDBS
OWNER 173 ALFORD ST CHARLESTOWN MA 02129 RCRAINFO
REGULATORY CONTACT 173 ALFORD ST BOSTON MA 02129-0000 MA-EPICS
REGULATORY CONTACT 173 ALFORD ST EVERETT MA 021490000 MA-EPICS
UNKNOWN CONTACT 1 WINTER STREET BOSTON MA 02108 CAMDBS
REGULATORY CONTACT 173 ALFORD ST CHARLESTOWN MA 02129 MA-EPICS
FACILITY MAILING ADDRESS 173 ALFORD ST CHARLESTOWN MA 02129 MA-EPICS
OWNER 173 ALFORD ST CHARLESTOWN MA 02129 MA-EPICS
FACILITY MAILING ADDRESS 173 ALFORD ST CHARLESTOWN MA 021290000 MA-EPICS
OPERATOR 173 ALFORD ST CHARLESTOWN MA 02129 RCRAINFO
OPERATOR 173 ALFORD ST CHARLESTOWN MA 02129 NPDES
OWNER/OPERATOR CHARLESTOWN MA 021290000 EIA-860
PERMIT CONTACT 1 WINTER STREET BOSTON MA 02108 CAMDBS
UNKNOWN CONTACT 173 ALFORD STREET CHARLESTOWN MA 02129 CAMDBS
OPERATOR 173 ALFORD STREET CHARLESTOWN MA 02129 NPDES
REGULATORY CONTACT 1 WINTER STREET BOSTON MA 02108 CAMDBS
OWNER 173 ALFORD STREET CHARLESTOWN MA 02129 NPDES
REGULATORY CONTACT 173 ALFORD STREET EVERETT MA 021490000 MA-EPICS
PERMIT CONTACT BUREAU OF WASTE PREVENTION BOSTON MA 02108 CAMDBS
PARENT COMPANY 173 ALFORD STREET CHARLESTOWN MA 02129 EIA-860
MAILING ADDRESS 173 ALFORD ST CHARLESTOWN MA 02129 NPDES
REGULATORY CONTACT 173 ALFORD ST CHARLESTOWN MA 02129 RCRAINFO
OPERATOR 173 ALFORD ST BOSTON MA 02129-0000 RCRAINFO
OWNER 173 ALFORD ST CHARLESTOWN MA 021290000 MA-EPICS
REGULATORY CONTACT BUREAU OF WASTE PREVENTION BOSTON MA 02108 CAMDBS
UNKNOWN CONTACT BUREAU OF WASTE PREVENTION BOSTON MA 02108 CAMDBS
OWNER 173 ALFORD ST CHARLESTOWN MA 02129 NPDES
REGULATORY CONTACT 3607 BERRYVILLE PIKE CHARLES TOWN WV 25414 RCRAINFO
PARENT COMPANY 173 ALFORD ST BOSTON MA 02129-0000 EIA-860
FACILITY MAILING ADDRESS 173 ALFORD ST BOSTON MA 02129-0000 RCRAINFO
OWNER 173 ALFORD ST BOSTON MA 02129-0000 RCRAINFO
FACILITY MAILING ADDRESS 173 ALFORD ST CHARLESTOWN MA 02129 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
REGULATORY CONTACT
MARC COHEN
6172925873
CAMDBS
View
REGULATORY CONTACT
SUE ANN RICHARDSON
6173484098
CAMDBS
View
REGULATORY CONTACT
SHARON M WEBER
6175561190
CAMDBS
View
PERMIT CONTACT
MARC WOLMAN
6172925515
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
JAMES KELLY
6173812398
CAMDBS
View
UNKNOWN CONTACT
MARC WOLMAN
6172925515
CAMDBS
View
UNKNOWN CONTACT
BRUCE SMITH
6173812115
AIRS/AFS


UNKNOWN CONTACT
BRUCE SMITH
6173812115
AIR


REGULATORY CONTACT
MICHELLE THIBODEAU
6172925664
CAMDBS
View
UNKNOWN CONTACT
GARY BASILESCO
6173812335
CAMDBS
View
REGULATORY CONTACT
CHRIS CONROY
267-533-1425
RCRAINFO
View
UNKNOWN CONTACT
MARC COHEN
6172925873
CAMDBS
View
UNKNOWN CONTACT
MICHELLE THIBODEAU
6172925664
CAMDBS
View
PERMIT CONTACT
SUE ANN RICHARDSON
6173484098
CAMDBS
View
COMPLIANCE CONTACT
BRUCE SMITH
6173812115
AIR


REGULATORY CONTACT
CHRIS CONROY
267-533-1425
RCRAINFO
View
REGULATORY CONTACT
CHRIS CONROY
267-533-1425
RCRAINFO


UNKNOWN CONTACT
SHARON M WEBER
6175561190
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
ARCHIE GLEASON
6173812123
CAMDBS
View
PUBLIC CONTACT
MARK RODGERS
6176996327
TRIS


PERMIT CONTACT
MICHELLE THIBODEAU
6172925664
CAMDBS
View
PERMIT CONTACT
SHARON M WEBER
6175561190
CAMDBS
View
UNKNOWN CONTACT
SUE ANN RICHARDSON
6173484098
CAMDBS
View
REGULATORY CONTACT
MARC WOLMAN
6172925515
CAMDBS
View
COMPLIANCE CONTACT
BRUCE SMITH
6173812115
AIRS/AFS


REGULATORY CONTACT
CHRIS CONROY
267-533-5293
RCRAINFO
View

Query executed on: OCT-15-2025


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