FRS Facility Detail Report


WSSC SENECA WRRF

EPA Registry Id: 110000548006
12600 GREAT SENECA HIGHWAY
GERMANTOWN, MD 20874-4434


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:
ICIS-AIR (AIR)
SENECA WASTEWATER TREATMENT PLANT MD0000002403102063 AIR MINOR ICIS 10/19/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WWTP MDL021491 ICIS-NPDES NON-MAJOR ICIS 01/01/2021
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WWTP MDL021491 BIOSOLIDS ICIS 01/01/2021
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
WSSC SENECA WWTP MDG499712 ICIS-NPDES NON-MAJOR ICIS

NATIONAL COMPLIANCE DATABASE
SENNECA WASTEWATER TREATMENT PLANT I03#19871130MD003 1 COMPLIANCE ACTIVITY NCDB

MARYLAND-RESOURCE CONVERSATION AND RECOVERY ACT DATABASE
WSSC SENECA WWTP 5315 STATE MASTER MD-RCRA
-MDD982579427
HAZARDOUS WASTE PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WATER RESOURCE RECOVERY FACILITY MD0021491 NPDES PRETREATMENT PROGRAM ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RISK MANAGEMENT PLAN
SENECA WASTEWATER TREATMENT PLANT 100000078337 RMP REPORTER RMP

AIR FACILITY SYSTEM
SENECA WASTEWATER TREATMENT PLANT 2403102063 AIR MINOR (OPERATING) AIRS/AFS 07/21/2014
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
WSSC SENECA WRRF MDD982579427 SQG (Y) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WATER RESOURCE RECOVERY FACILITY MD0021491 ICIS-NPDES MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
SENECA WWTP 3841 STATE MASTER MD-EPSC
-
NPDES MAJOR
-
NPDES STORMWATER PERMIT
-
SEWAGE SLUDGE UTILIZATION
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WWTP MDR000120 ICIS-NPDES NON-MAJOR ICIS 08/22/2023 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
SENECA WATER RESOURCE RECOVERY FACILITY MD0021491 POTW ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
SENECA WWTP 5315 STATE MASTER MD-TEMPO
MDE_TEMPO-031-2063-9-0879

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
4953
REFUSE SYSTEMS

NPDES
3273
READY-MIXED CONCRETE

MD-EPSC
4952
SEWERAGE SYSTEMS

MD-TEMPO
4952
SEWERAGE SYSTEMS

NPDES
4952
SEWERAGE SYSTEMS

NCDB
4952
SEWERAGE SYSTEMS

MD-TEMPO
4953
REFUSE SYSTEMS

AIRS/AFS
OWNE



AIR
OWNE



MD-TEMPO
UNK



NPDES
4952
SEWERAGE SYSTEMS

NPDES
4952
SEWERAGE SYSTEMS

AIRS/AFS
4953
REFUSE SYSTEMS

Facility Codes and Flags

EPA Region: 03
Duns Number: 787840000
Congressional District Number: 06
Legislative District Number:
HUC Code/Watershed: 02070008 / MIDDLE POTOMAC-CATOCTIN
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
SENECA CREEK WWTP CWNS
SENECA WASTEWATER TREATMENT PLANT AIR
SENNECA WASTEWATER TREATMENT PLANT NCDB
SENECA WWTP NPDES
WSSC SENECA WWTP RCRAINFO

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
WASHINGTON SANIT. COMM
NPDES
View
ORGANIZATION
WASHINGTON SUBURBAN SANITARY COMMISSION
MD-TEMPO
View
MAILING ADDRESS
WSSC - SENECA WWTP
NPDES
View
OWNER
WASHINGTON SUBURBAN SANITARY COMMISSION
RCRAINFO
View
OPERATOR
WASHINGTON SUBURBAN SANITARY COMMISSION
RCRAINFO
View
MAILING ADDRESS
PIZZAGALLI CONSTRUCTION CO
NPDES
View
OWNER
WASHINGTON SUBURBAN SANITARY COMMISSION
MD-TEMPO
View
MAILING ADDRESS
WSSC - SENECA WWTP
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 221320 SEWAGE TREATMENT FACILITIES.
RMP 22132 SEWAGE TREATMENT FACILITIES
MD-TEMPO 221310 WATER SUPPLY AND IRRIGATION SYSTEMS.
AIR 221310 WATER SUPPLY AND IRRIGATION SYSTEMS.
MD-TEMPO 221320 SEWAGE TREATMENT FACILITIES.
AIRS/AFS 221310 WATER SUPPLY AND IRRIGATION SYSTEMS.
MD-TEMPO 22132 SEWAGE TREATMENT FACILITIES
MD-TEMPO 562219 OTHER NONHAZARDOUS WASTE TREATMENT AND DISPOSAL.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS 12602 GREAT SENECA HIGHWAY GERMANTOWN MD 208744434 NPDES
INDIVIDUAL SENECA WWTP GERMANTOWN MD 20824 MD-TEMPO
PREPARER 14501 SWEITZER LANE LAUREL MD 20707 RMP
INDIVIDUAL 14501 SWEITZER LANE LAUREL MD 207075902 MD-TEMPO
OWNER BUREAU OF OPERATIONS LAUREL__(0631--PG) MD 20707 NPDES
GENERAL CONTACT 14501 SWEITZER LANE LAUREL MD 20707 MD-TEMPO
OWNER 14501 SWEITZER LANE LAUREL MD 207075902 RCRAINFO
INDIVIDUAL 435 WILLIAMS CT, STE 100 BALTIMORE MD 21224 MD-TEMPO
GENERAL CONTACT 7014 E BALTIMORE ST BALTIMORE MD 21224 MD-TEMPO
MAILING ADDRESS 12600 GREAT SENECA HIGHWAY GERMANTOWN MD 20874 NPDES
REGULATORY CONTACT W194N11492 MCCORMICK DR GERMANTOWN WI 53022-3043 RCRAINFO
FACILITY MAILING ADDRESS W194N11492 MCCORMICK DR GERMANTOWN WI 53022-3043 RCRAINFO
INDIVIDUAL 14501 SWEITZER LANE LAUREL MD 20707 MD-TEMPO
PREPARER 14501 SWEITZER LANE LAUREL MD 207075902 RMP
INDIVIDUAL WSSC LAUREL MD 20707 MD-TEMPO
OPERATOR 14501 SWEITZER LANE LAUREL MD 207075902 RCRAINFO
OWNER/OPERATOR 14501 SWEITZER LANE LAUREL MD 207075902 RMP
ORGANIZATION 14501 SWEITZER LANE LAUREL MD 207075902 MD-TEMPO
OWNER 14501 SWEITZER LANE LAUREL MD 20707 MD-EPSC
GENERAL CONTACT WSSC LAUREL MD 20707 MD-TEMPO
OWNER 14501 SWEITZER LANE LAUREL MD 207075902 MD-TEMPO
GENERAL CONTACT 435 WILLIAMS CT, STE 100 BALTIMORE MD 21224 MD-TEMPO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
GENERAL CONTACT
JAMES L HEARN
301-206-8522
MD-TEMPO
View
GENERAL CONTACT
JOHN UZUPIS
410-284-4120
MD-TEMPO
View
REGULATORY CONTACT
BRADLEY C YEAKLE
301-206-7903
RCRAINFO
View
INDIVIDUAL
JAMES L HEARN
301-206-8522
MD-TEMPO
View
GENERAL CONTACT
YERMAN SAAVEDRA
301-206-7448
MD-TEMPO
View
OWNER
WASHINGTON SUBURBAN SANITARY COMMISSION
301-206-8067
MD-EPSC
View
INDIVIDUAL
JAMES L HEARN
301-206-8522
MD-TEMPO
View
INDIVIDUAL
NEIL BERMAN
301-206-9772
MD-TEMPO
View
UNKNOWN CONTACT
SAM AMAD
3012067903
NPDES


INDIVIDUAL
ROBERT STROUD


MD-TEMPO
View
GENERAL CONTACT
NEIL BERMAN
301-206-9772
MD-TEMPO
View
GENERAL CONTACT
JOHN UZUPIS
410-284-4120
MD-TEMPO
View
INDIVIDUAL
JOHN UZUPIS
410-284-4120
MD-TEMPO
View
INDIVIDUAL
YERMAN SAAVEDRA
301-206-7448
MD-TEMPO
View

Query executed on: OCT-15-2025