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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
32287 Northrop Grumman Systems Corporation Privately-Owned Business One Hornet Way W1-902/W2 El Segundo, CA 90245 310-331-5418 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
858316 Former Northrop Grumman Y-12 Orange 8 Service/Commercial Site, NEC Operator 05/16/2019 None
845208 Former Northrop East Complex, West of Crenshaw Los Angeles 4 Manufacturing NEC Operator 02/28/2018 None
772568 Northrop Grumman Former Chem Mill Area (West of Crenshaw Facility) Los Angeles 4 Manufacturing NEC Operator 03/15/2013 None
643809 Former Northrop Grumman Systems Corp., East Complex Facility Los Angeles 4 Manufacturing NEC Owner 12/12/2006 None
639478 Former Northrop Grumman Facility, Paraplast Area Ventura 4 Manufacturing NEC Owner 08/22/2006 None
637063 Former Northrop Grumman East Complex Facility (Crenshaw Parking Lot Pilot Proj) Los Angeles 4 Groundwater Cleanup Site Owner 07/12/2006 None
273694 Northrop Grumman Mil Air Sys Los Angeles 4 Facility Operator 06/11/1997 None
245113 Newbury Park Ventura 4 Service/Commercial Site, NEC Owner 10/24/1990 None
231373 Hawthorne Facility Los Angeles 4 Facility Owner 10/27/1980 None
226161 Former AG-1 Facility Los Angeles 4 Facility Owner 03/31/1997 None
226033 Former East Complex, Plant 3 Bldg 3-10 Los Angeles 4 Groundwater Cleanup Site Owner 12/10/2004 None
226032 Former East Complex, Plant 1 Bldg 1-1 Los Angeles 4 Groundwater Cleanup Site Owner 12/10/2004 None
223530 El Segundo Facility Los Angeles 4 Facility Owner 01/25/1982 None
Total Related Places: 13
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
525155 Kassidy Jones Person Legally Responsible Official 11/22/2010 None None
372897 Alex Placentia Person Data Submitter 04/09/2007 09/16/2015 None
338884 Michael Martin Person Facility Contact 08/22/2006 11/21/2010 None
111265 Jennifer Sasaki Person Facility Contact 10/27/1980 None None
111265 Jennifer Sasaki Person Data Submitter 04/09/2007 09/16/2015 None
87499 Scott Frezieres Person Legally Responsible Official 04/09/2007 09/16/2015 None
68719 Joe Behen Person Data Submitter 04/09/2007 09/16/2015 None
Total Related Parties: 7
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
131891 Resolution 4 4A562436003 Historical WDR 01-016R 09/19/2001 09/20/2001 Discharger 09/19/2001 None N
134812 NPDES Permit 4 4A562436001 Historical NPDESWW 91-103 10/28/1991 06/10/1996 Discharger 10/28/1991 None N
133566 NPDES Permit 4 4B192081002 Historical NPDESWW 87-024 02/23/1987 12/05/1994 Discharger 02/23/1987 None N
135483 NPDES Permit 4 4B192081001 Historical NPDESWW 94-118 12/05/1994 12/09/1999 Discharger 12/05/1994 None N
135484 NPDES Permit 4 4B192081002 Historical NPDESWW 94-119 12/05/1994 03/28/2001 Discharger 12/05/1994 None N
147990 NPDES Permit 4 4A562436001 Historical NPDESWW 01-03902 03/29/2001 03/30/2001 Discharger 03/29/2001 None N
133815 NPDES Permit 4 4B192081001 Historical NPDESWW 87-034 03/23/1987 12/05/1994 Discharger 03/23/1987 None N
260608 Letter 4 None Historical WDR 1 None 05/03/2001 Discharger 05/03/2001 None N
306283 Enrollee 4 4B198300049 Historical WDRNONMUNIPRCS R4-2005-0030 06/13/2006 12/08/2010 Discharger 07/12/2006 None N
308045 Enrollee - WDR 4 4A568300056 Historical WDRNONMUNIPRCS R4-2007-0019 08/08/2006 07/09/2019 Discharger 08/22/2006 None N
134815 WDR 4 4A562436002 Historical WDRNONMUNIPRCS 91-107 10/28/1991 05/23/2001 Discharger 10/28/1991 None N
136032 NPDES Permit 4 4A562436001 Historical NPDESWW 96-047 06/10/1996 08/30/2000 Discharger 06/10/1996 None N
315468 WDR 4 4B192557005 Historical WDR R4-2006-0071 09/14/2006 06/03/2009 Discharger 11/22/2006 None N
148059 NPDES Permit 4 4A562436001 Historical NPDESWW 00-126 08/31/2000 03/28/2001 Discharger 08/31/2000 None N
193112 Enrollee - WDR 4 4A567200058 Historical WDRNONMUNIPRCS R4-2002-0030 03/09/2005 12/04/2008 Discharger 09/01/2005 None N
193791 Enrollee 4 4B196300063 Historical NPDNONMUNIPRCS 97-047 05/12/1997 03/17/2000 Discharger 09/01/2005 None N
194208 Enrollee 4 4B197200055 Historical WDRNONMUNIPRCS R4-2002-0030 12/10/2004 12/08/2010 Discharger 09/01/2005 None N
419737 Enrollee - WDR 4 4B198601142 Active WDRNONMUNIPRCS R4-2014-0187 10/03/2019 None Discharger 10/03/2019 None N
381993 Enrollee - WDR 4 4B198600214 Historical WDRNONMUNIPRCS R4-2007-0019 02/28/2013 03/15/2016 Discharger 03/15/2013 None N
131661 WDR 4 4A562436003 Historical WDR 01-136 09/19/2001 06/01/2005 Discharger 09/19/2001 None N
134195 NPDES Permit 4 4B192081001 Historical NPDESWW 80-05605 10/27/1980 03/23/1987 Discharger 10/27/1980 None N
134840 NPDES Permit 4 4B192081002 Historical NPDESWW 82-001 01/25/1982 02/23/1987 Discharger 01/25/1982 None N
146683 NPDES Permit 4 4B192081001 Historical NPDESWW 99-13402 12/09/1999 12/09/1999 Discharger 12/09/1999 None N
148369 WDR 4 4A562436002 Historical WDRNONMUNIPRCS 01-073 05/24/2001 05/25/2001 Discharger 05/24/2001 None N
369319 WDR 4 4B192557005 Historical WDRNONMUNIPRCS R4-2009-0072 06/04/2009 05/04/2017 Discharger 11/22/2006 None N
194069 Enrollee 4 4B196800004 Historical NPDNONMUNIPRCS 97-044 06/04/1997 07/14/2000 Discharger 09/01/2005 None N
194209 Enrollee 4 4B197200056 Historical WDRNONMUNIPRCS R4-2002-0030 12/10/2004 07/03/2007 Discharger 09/01/2005 None N
315469 Resolution 4 4B192557005 Historical LNDISP R06-017 09/14/2006 09/15/2006 Discharger 11/22/2006 None N
133237 NPDES Permit 4 4B192081001 Historical NPDESWW 76-057 03/22/1976 10/27/1980 Discharger 03/22/1976 None N
430540 Enrollee - WDR 8 8 303693001 Active WDRNONMUNIPRCS R8-2018-0092 04/01/2020 None Discharger 05/16/2019 None N
Total Regulatory Measures: 30
  
  
  
  
Expand/Contract Violations
Violations within the past year
Violation ID Occurrence Date Violation Type Violation Description(+) Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked to Enf.
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 05/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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