FRS Facility Detail Report


COMMONWEALTH UTILITIES CORPORATION POWER PLANT #4

EPA Registry Id: 110038387885
PUERTO RICO
SAIPAN, MP 96950


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)
COMMONWEALTH UTILITIES CORPORATION POWER PLANT #4 GUU001019 STORM WATER INDUSTRIAL ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM COMMONWEALTH UTILITIES CORPORATION POWER PLANT 600026223 FORMAL ENFORCEMENT ACTION ICIS 03/20/2009 ICIS-09-2007-0078
FORMAL ENFORCEMENT ACTION
ICIS-AIR (AIR)
PACIFIC MARINE (CUC POWER UNIT 4) MP0000006911000002 AIR MAJOR ICIS 10/19/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
COMMONWEALTH UTILITIES CORPORATION POWER PLANT #4 GUU001019 ICIS-NPDES UNPERMITTED ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM PMIC (CUC) POWERPLANT NO. 4 600033105 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 09/17/2007
AIR FACILITY SYSTEM
PACIFIC MARINE (CUC POWER UNIT 4) 6911000002 AIR MAJOR (OPERATING) AIRS/AFS 04/13/2006

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
4911
ELECTRIC SERVICES

AIRS/AFS
OWNE



ICIS
4939
COMBINATION UTILITIES, NOT ELSEWHERE CLASSIFIED

AIR
OWNE



AIRS/AFS
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 09
Duns Number:
Congressional District Number:
Legislative District Number:
HUC Code/Watershed:
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
COMMONWEALTH UTILITIES CORPORATION POWER PLANT ICIS

Organizations

No Organizations returned.

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
ICIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS PO BOX 10001 PMB805 SAIPAN MP 96950 AIRS/AFS
FACILITY MAILING ADDRESS PO BOX 10001 PMB805 SAIPAN MP 96950 AIR

Contacts

No Contacts returned.

Query executed on: OCT-14-2025