FRS Facility Detail Report


UNION SANITARY DISTRICT

EPA Registry Id: 110000518734
5072 BENSON RD
UNION CITY, CA 94587-2508


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:
AIR FACILITY SYSTEM
UNION SANITARY DIST 06001A1209 AIR MAJOR (PERMANENTLY CLOSED) AIRS/AFS 05/07/2013
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNION SANITARY DISTRICT WWTP CAL337869 ICIS-NPDES NON-MAJOR ICIS

EMISSION INVENTORY SYSTEM (EIS)
UNION SANITARY DISTRICT 806011 HAZARDOUS AIR POLLUTANT MAJOR EIS 04/22/2025
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNION SANITARY DISTRICT CAU000570 ICIS-NPDES UNPERMITTED ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
BIENNIAL REPORTERS
UNION SANITARY DISTRICT CAL000117873 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2001
CALIFORNIA - ENVIROVIEW
UNION SANITARY DISTRICT 226953 STATE MASTER CA-ENVIROVIEW
GEOTRACKER-T0600186128
LEAKING STORAGE TANK
ICIS-AIR (AIR)
UNION SANITARY DIST CABAA00006001A1209 AIR MAJOR ICIS 10/19/2014
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
UNION SANITARY DISTRICT CAL000117873 LQG (Y) RCRAINFO

INTEGRATED COMPLIANCE INFORMATION SYSTEM UNION SANITARY DISTRICT 6667320 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 05/26/2004
CA-CALIFORNIA ENVIRONMENTAL REPORTING SYSTEM
UNION SANITARY DISTRICT TREATMENT PLANT 10003237 STATE MASTER CA-CERS
CERS2-10003237-02
EPCRA
CERS2-10003237-09
OIL CONTROL
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNION SANITARY DISTRICT WWTP CAL337869 BIOSOLIDS ICIS

CALIFORNIA - ENVIROVIEW
UNION SANITARY DISTRICT TREATMENT PLANT 164546 STATE MASTER CA-ENVIROVIEW
CERS-10003237
HAZARDOUS WASTE PROGRAM
CERS-10003237
RMP REPORTER
CERS-10003237
UNDERGROUND STORAGE TANK PROGRAM
CERS-10003237
SPCC

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
OWNE



AIRS/AFS
4911
ELECTRIC SERVICES

CA-ENVIROVIEW
4952
SEWERAGE SYSTEMS

AIR
4911
ELECTRIC SERVICES

CA-CERS
4952
SEWERAGE SYSTEMS

AIR
OWNE



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
UNION SANITARY DISTRICT TREATMENT PLANT CA-ENVIROVIEW
UNION SANITARY DIST AIR

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
UNION SANITARY DISTRICT
CA-ENVIROVIEW
View
OPERATOR
UNION SANITARY DISTRICT
CA-ENVIROVIEW
View
PARENT COMPANY
UNION SANITARY DISTRICT
EIS


MAILING ADDRESS
UNION SANITARY DISTRICT WWTP
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
EIS 221320 SEWAGE TREATMENT FACILITIES.
AIR 221320 SEWAGE TREATMENT FACILITIES.
RCRAINFO 562219 OTHER NONHAZARDOUS WASTE TREATMENT AND DISPOSAL.
CA-ENVIROVIEW 221320 SEWAGE TREATMENT FACILITIES.
AIRS/AFS 221320 SEWAGE TREATMENT FACILITIES.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
ENVIRONMENTAL CONTACT 5072 BENSON ROAD UNION CITY CA 94587 CA-CERS
MAILING ADDRESS 5072 BENSON ROAD UNION CITY CA 94587 NPDES
REGIONAL BOARD CASEWORKER 1515 CLAY STREETNA SUITE 1400 OAKLAND CA-ENVIROVIEW
FACILITY MAILING ADDRESS 5072 BENSON RD UNION CITY CA 94587-0000 AIRS/AFS
OPERATOR 5072 BENSON ROAD UNION CITY CA 94587 CA-CERS
PROPERTY OWNER 5072 BENSON ROAD UNION CITY 94587 CA-ENVIROVIEW
PO NAME 5072 BENSON ROAD UNION CITY 94587 CA-ENVIROVIEW
FACILITY MAILING ADDRESS 5072 BENSON RD UNION CITY CA 94587-0000 AIR
FACILITY MAILING ADDRESS 5072 BENSON RD UNION CITY CA 94587-0000 CA-CERS
OWNER 5072 BENSON ROAD UNION CITY CA 94587 CA-CERS
OWNER 5072 BENSON ROAD UNION CITY 94587 CA-ENVIROVIEW
FACILITY MAILING ADDRESS 5072 BENSON RD. UNION CITY CA 94587 CA-ENVIROVIEW
ENVIRONMENTAL CONTACT 5072 BENSON ROAD UNION CITY 94587 CA-ENVIROVIEW
UNKNOWN CONTACT 5072 BENSON ROAD UNION CITY CA 94587 CA-CERS
FACILITY MAILING ADDRESS 5072 BENSON RD UNION CITY CA 94587-0000 RCRAINFO
MAILING ADDRESS 5072 BENSON RD. UNION CITY CA 94587 NPDES
OPERATOR 5072 BENSON ROAD UNION CITY 94587 CA-ENVIROVIEW
LOCAL AGENCY CASEWORKER 43885 SOUTH GRIMMER BOULEVARD FREMONT CA-ENVIROVIEW

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
UNION SANITARY DISTRICT
5104777500
CA-CERS
View
LOCAL AGENCY CASEWORKER
STEVEN D. INN - ALAMEDA COUNTY WATER DISTRICT


CA-ENVIROVIEW
View
ENVIRONMENTAL CONTACT
MICHAEL MARZANO
(510) 477-7531
CA-ENVIROVIEW
View
PO NAME
UNION SANITARY DISTRICT
(510) 477-7500
CA-ENVIROVIEW
View
ENVIRONMENTAL CONTACT
MICHAEL MARZANO
5104777531
CA-CERS
View
UNKNOWN CONTACT
LARRY SIMMERS
5106761043
CA-CERS
View
UNKNOWN CONTACT
ARMONDO LOPEZ
5104751967
CA-CERS
View
PROPERTY OWNER
UNION SANITARY DISTRICT
(510) 477-7500
CA-ENVIROVIEW
View
OPERATOR
UNION SANITARY DISTRICT
5104777500
CA-CERS
View
REGIONAL BOARD CASEWORKER
CHERIE MCCAULOU - SAN FRANCISCO BAY RWQCB (REGION


CA-ENVIROVIEW
View

Query executed on: OCT-14-2025