FRS Facility Detail Report


GSP MERRIMACK LLC

EPA Registry Id: 110071198058
431 RIVER RD
BOW, NH 03304


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:
TOXIC SUBSTANCES CONTROL ACT
PSNH MERRIMACK GENERATING STATION 100607655 TSCA SUBMITTER TSCA 11/20/2024
EMISSION INVENTORY SYSTEM (EIS)
PSNH 12302911 AIR MINOR EIS 06/05/2024
ELECTRONIC PERMIT SYSTEM
GSP MERRIMACK LLC EPS10121832 TITLE V MAJOR SOURCE EPS 01/28/2022
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MERRIMACK STATION NHR053182 ICIS-NPDES NON-MAJOR ICIS 10/15/2015 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXICS RELEASE INVENTORY SYSTEM
MERRIMACK STATION 03304PBLCS97RIV TRI REPORTER TRIS 07/01/2025
NEW HAMPSHIRE - DEPARTMENT OF ENVIRONMENTAL SERVICES
PSNH MERRIMACK STATION 288695 STATE MASTER NH-DES
FP-15839
DRINKING WATER PROGRAM
AIR FACILITY SYSTEM
PSNH - MERRIMACK STATION 3301300026 AIR MAJOR (OPERATING) AIRS/AFS 09/03/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MERRIMACK STATION NHR053182 STORM WATER INDUSTRIAL ICIS 10/15/2015 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
GSP MERRIMACK LLC CEDRI10004420 COMPLIANCE AND EMISSIONS REPORTING CEDRI 02/26/2025
NATIONAL COMPLIANCE DATABASE
PSNH - MERRIMACK STATION I01#19921120NH011 1 COMPLIANCE ACTIVITY NCDB

ELECTRONIC PERMIT SYSTEM
GSP MERRIMACK LLC EPS10121832 AIR PROGRAM API 01/28/2022
BIENNIAL REPORTERS
GRANITE SHORE POWER NHD000791509 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2017
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
MERRIMACK 1000729 GREENHOUSE GAS REPORTER E-GGRT 03/30/2019
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MERRIMACK STATION NHR053358 ICIS-NPDES NON-MAJOR ICIS 09/13/2021 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
MERRIMACK 2364 ELECTRIC GENERATOR EIA-860 10/06/2020
ICIS-AIR (AIR)
MERRIMACK STATION NH0000003301300026 AIR MAJOR ICIS 09/15/2015
CLEAN AIR MARKETS DIVISION (CAMD) BUSINESS SYSTEMS
MERRIMACK 2364 AIR PROGRAM CAMDBS 01/04/2013
INTEGRATED COMPLIANCE INFORMATION SYSTEM PSNH MERRIMACK STATION 3400075296 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 03/27/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
GRANITE SHORE POWER MERRIMACK LLC NH0001465 ICIS-NPDES MAJOR ICIS 04/16/2025 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
GRANITE SHORE POWER NHD000791509 VSQG (Y) RCRAINFO

EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
MERRIMACK 2364 ELECTRIC POWER GENERATOR (COAL BASED) EGRID 02/24/2020
RISK MANAGEMENT PLAN
PSNH MERRIMACK GENERATING STATION 100000079309 RMP REPORTER RMP

TOXIC SUBSTANCES CONTROL ACT
GSP MERRIMACK LLC, MERRIMACK STATION TSCA125385 TSCA SUBMITTER TSCA 11/20/2024
NATIONAL COMPLIANCE DATABASE
PSNH - MERRIMACK STATION C01#01-93-0013 COMPLIANCE ACTIVITY NCDB

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MERRIMACK STATION NHR053358 STORM WATER INDUSTRIAL ICIS 09/13/2021 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
CAMDBS
4911
ELECTRIC SERVICES

AIR
4911
ELECTRIC SERVICES

NPDES
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 01
Duns Number: 6953418, 6971352, 081010799
Congressional District Number: 02
Legislative District Number:
HUC Code/Watershed: 01070006
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land:

Alternative Names

No Alternative Names returned.

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT COMPANY
PUBLIC SERVICE OF NEW HAMPSHIRE 6971352
TSCA
View
OPERATOR
PSNH
NH-DES
View
OWNER
GSP MERRIMACK L
RCRAINFO


PARENT COMPANY
GSP MERRIMACK LLC 081010799
TRIS


PARENT COMPANY
GRANITE SHORE POWER
EIA-860
View
MAILING ADDRESS
NSNH- MERRIMACK STATION
NPDES
View
OWNER
PSNH
NH-DES
View
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
PUBLIC SERVICE CO OF NH
EIA-860


OWNER/OPERATOR
PUBLIC SERVICE OF NEW HAMPSHIRE 6971352
CAMDBS


OWNER
PUBLIC SERVICE OF N.H.
NPDES


OPERATOR
GSP MERRIMACK L
RCRAINFO


PARENT OWNER
NORTHEAST UTILITIES 6953418
E-GGRT


PARENT COMPANY 1
GRANITE SHORE POWER LLC
RMP


PARENT OWNER
GRANITE SHORE POWER LLC
E-GGRT


OWNER/OPERATOR
PUBLIC SERVICE OF NEW HAMPSHIRE
CAMDBS


PARENT OWNER
EVERSOURCE ENERGY
E-GGRT


PARENT COMPANY
PUBLIC SERVICE OF NEW HAMPSHIRE
TSCA
View
PARENT COMPANY
PUBLIC SERVICE CO OF NH
EGRID


OPERATOR
GRANITE SHORE POWER
EGRID


OPERATOR
PUBLIC SERVICE OF N.H.
NPDES


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
NPDES 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
RMP 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIRS/AFS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIA-860 22

RCRAINFO 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
E-GGRT 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
TRIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EPS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIS 488119 OTHER AIRPORT OPERATIONS.
AIR 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
CAMDBS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 97 RIVER ROAD BOW NH 03304 AIRS/AFS
REGULATORY CONTACT 29 HAZEN DRIVE CONCORD NH 03302 CAMDBS
REGULATORY CONTACT EVERSOURCE MERRIMACK STATION BOW NH 03304 CAMDBS
PRIMARY FACILITY SITE CONTACT 780 NORTH COMMERCIAL STREET MANCHESTER NH 03101 CAMDBS
OWNER 780 N COMMERCIAL STPO BOX 330 MANCHESTER NH 03101 NH-DES
FACILITY MAILING ADDRESS 97 RIVER ROAD BOW NH 03304 AIR
REGULATORY CONTACT PSNH MERRIMACK STATION BOW NH 03304 CAMDBS
UNKNOWN CONTACT PSNH MERRIMACK STATION BOW NH 03304 CAMDBS
UNKNOWN CONTACT 780 NORTH COMMERCIAL STREET MANCHESTER NH 03101 CAMDBS
OPERATOR MERRIMACK STATION97 RIVER RD BOW 03304 NH-DES
OWNER/OPERATOR 431 RIVER RD BOW NH 03304-0202 RMP
UNKNOWN CONTACT 431 RIVER RD BOW NH 03304-0202 CAMDBS
REGULATORY CONTACT 29 HAZEN DRIVE CONCORD NH 03302 CAMDBS
UNKNOWN CONTACT EVERSOURCE MERRIMACK STATION BOW NH 03304 CAMDBS
FACILITY MAILING ADDRESS 431 RIVER RD BOW NH 03304 RCRAINFO
PARENT COMPANY 780 NORTH COMMERCIAL STREET MANCHESTER NH 03101 TSCA
PARENT COMPANY 97 RIVER ROAD BOW NH 03304 EIA-860
UNKNOWN CONTACT 29 HAZEN DRIVE CONCORD NH 03302 CAMDBS
MAILING ADDRESS C/O NORTHEAST UTILITIES HARTFORD CT 06141 NPDES
UNKNOWN CONTACT PO BOX 330 MANCHESTER NH 03105 CAMDBS
UNKNOWN CONTACT 29 HAZEN DRIVE CONCORD NH 03302 CAMDBS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
COMPLIANCE CONTACT
MR. CHRIS BARTON
6036694000
AIRS/AFS


UNKNOWN CONTACT
MR. CHRIS BARTON
6036694000
AIRS/AFS


UNKNOWN CONTACT
RICHARD J FARO
6032244081X4144
CAMDBS
View
UNKNOWN CONTACT
LEO W QUINN
6036342821
CAMDBS
View
TECHNICAL CONTACT
MS. ELIZABETH TILLOTSON


TSCA


REGULATORY CONTACT
COREY BRACKETT
603-230-7918
RCRAINFO


UNKNOWN CONTACT
MICHAEL O'BRIEN
6032716546
CAMDBS
View
PUBLIC CONTACT
ELIZABETH TILLOTSON
6032307968
TRIS


REGULATORY CONTACT
MICHAEL O'BRIEN
6032716546
CAMDBS
View
UNKNOWN CONTACT
RICHARD J FARO
6032244081X4144
CAMDBS
View
REGULATORY CONTACT
RAYMOND A WALTERS
6032716288
CAMDBS
View
COMPLIANCE CONTACT
MR. CHRIS BARTON
6036694000
AIR


UNKNOWN CONTACT
ELIZABETH H TILLOTSON
6036342440
CAMDBS
View
UNKNOWN CONTACT
MR. CHRIS BARTON
6036694000
AIR


REGULATORY CONTACT
RICHARD J FARO
6032244081X4144
CAMDBS
View
REGULATORY CONTACT
RICHARD J FARO
6032244081X4144
CAMDBS
View
UNKNOWN CONTACT
LEO W QUINN
6036342821
CAMDBS
View
UNKNOWN CONTACT
RAYMOND A WALTERS
6032716288
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
WILLIAM H SMAGULA
6036342851
CAMDBS
View

Query executed on: OCT-14-2025


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