FRS Facility Detail Report


IMPAX PHARMACEUTICALS BLDG 2

EPA Registry Id: 110012203481
31153 SAN ANTONIO RD
HAYWARD, CA 94544-7905


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:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
JOHN PAUL FLORES/IMPAX LABORATORIES CAR000097188 UNSPECIFIED UNIVERSE (N) RCRAINFO

CALIFORNIA - ENVIROVIEW
IMPAX LABORATORIESNA BLDG 2 37814 STATE MASTER CA-ENVIROVIEW
CERS-10406908
RMP REPORTER
CERS-10406908
HAZARDOUS WASTE PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
IMPAX LABORATORIES INC CAZ277004 STORM WATER INDUSTRIAL ICIS 07/01/2015
HAZARDOUS WASTE TRACKING SYSTEM - DATAMART
IMPAX PHARMACEUTICALS INC CAR000097188 STATE MASTER HWTS-DATAMART
-
HAZARDOUS WASTE PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
IMPAX LABORATORIES INC CAZ277004 ICIS-NPDES NON-MAJOR ICIS 07/01/2015
CA-CALIFORNIA ENVIRONMENTAL REPORTING SYSTEM
IMPAX LABORATORIES, BLDG 2 10406908 STATE MASTER CA-CERS
CERS2-10406908-02
EPCRA
EMISSION INVENTORY SYSTEM (EIS)
IMPAX PHARMACEUTICALS INC 10511711 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 08/26/2021
BIENNIAL REPORTERS
JOHN PAUL FLORES/IMPAX LABORATORIES CAR000097188 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2017

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
CA-ENVIROVIEW
2834
PHARMACEUTICAL PREPARATIONS

NPDES
2834
PHARMACEUTICAL PREPARATIONS

CA-CERS
2834
PHARMACEUTICAL PREPARATIONS

Facility Codes and Flags

EPA Region: 09
Duns Number:
Congressional District Number: 15
Legislative District Number:
HUC Code/Watershed: 18050004 / SAN FRANCISCO BAY
US Mexico Border Indicator: NO
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
IMPAX LABORATORIES, BLDG 2 CA-CERS
IMPAX LABORATORIESNA BLDG 2 CA-ENVIROVIEW
IMPAX LABORATORIES, INC RCRAINFO
IMPAX PHARMACEUTICALS INC NOTIFICATION (RCRA)

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
IMPAX LABORATORIESNA INC.
CA-ENVIROVIEW
View
OPERATOR
IMPAX LABORATORIES INC
RCRAINFO


OWNER
IMPAX LABORATORIES INC
RCRAINFO


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
CA-ENVIROVIEW 325412 PHARMACEUTICAL PREPARATION MANUFACTURING.
CA-CERS 325412 PHARMACEUTICAL PREPARATION MANUFACTURING.
RCRAINFO 325412 PHARMACEUTICAL PREPARATION MANUFACTURING.
EIS 325412 PHARMACEUTICAL PREPARATION MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
ENVIRONMENTAL CONTACT 31145 SAN ANTONIO ST HAYWARD CA 94544 CA-ENVIROVIEW
FACILITY MAILING ADDRESS 30831 HUNTWOOD AVE HAYWARD CA 94544 CA-ENVIROVIEW
OWNER 30831 HUNTWOOD AVE. HAYWARD 94544 CA-ENVIROVIEW
FACILITY MAILING ADDRESS 30831 HUNTWOOD AVENUE HAYWARD CA 94544 RCRAINFO
OPERATOR 30831 HUNTWOOD AVE HAYWARD CA 94544 CA-CERS
OWNER 30831 HUNTWOOD AVE HAYWARD CA 94544 CA-CERS
ENVIRONMENTAL CONTACT 30831 HUNTWOOD AVE HAYWARD CA 94544 CA-CERS
PROPERTY OWNER 30831 HUNTWOOD AVE HAYWARD 94544 CA-ENVIROVIEW

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
UNKNOWN CONTACT
DON KLINE
5102064938
CA-CERS


REGULATORY CONTACT
JAMES DOBRZYNSKI
510-240-6345
RCRAINFO


OPERATOR
IMPAX LABORATORIES, INC.
5102406000
CA-CERS
View
OWNER
IMPAX LABORATORIES, INC.
5102406000
CA-CERS
View
PROPERTY OWNER
IMPAX LABORATORIESNA INC.
(510) 240-6000
CA-ENVIROVIEW
View
ENVIRONMENTAL CONTACT
JESUS MURILLO
(510) 240-6361
CA-ENVIROVIEW
View
ENVIRONMENTAL CONTACT
ROGER CHENG
5102406019
CA-CERS
View
OPERATOR
CAMILO PASCUA


NPDES


UNKNOWN CONTACT
ROGER CHENG
5107600785
CA-CERS


Query executed on: OCT-15-2025