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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
495105 University of Southern California Privately-Owned Business 3454 Trousdale Parkway Cas 200 Los Angeles, CA 90089-0153 213-740-8221 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
822069 USC Catalina Island Shellfish Aquaculture Research Los Angeles 4 Dredge/Fill Site Owner 02/17/2016 None
269797 University Park Swimming Pool Los Angeles 4 Swimming Pools Owner 08/27/1979 None
242400 MarlyneNorris Cancer Res Tower Los Angeles 4 Facility Owner 08/14/1998 None
217147 USC Marine Science Center Los Angeles 4 Educational Facilities Owner 12/07/1966 12/31/2015
217147 USC Marine Science Center Los Angeles 4 Educational Facilities Owner 11/12/2025 None
Total Related Places: 5
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
646150 Marisa Swiderski Person Data Submitter 07/10/2024 None None
646003 John Heidelberg Person Legally Responsible Official 11/12/2025 None None
646003 John Heidelberg Person Employee 06/27/2024 11/07/2025 None
642810 Kate Becker Person Data Submitter 05/23/2018 11/19/2023 None
642241 Tyler Daniel Person Data Submitter 10/18/2023 None None
642239 Rolf Schottle Person Data Submitter 10/18/2023 None None
636981 Lauren Czarnecki Oudin Person Legally Responsible Official 02/07/2023 11/13/2025 None
560420 Stephen Campbell Person Data Submitter 11/08/2016 None None
555888 Cara Simonsen Person Data Submitter 04/21/2016 03/08/2019 None
552389 Terra Miller-Cassman Person Data Submitter 08/04/2015 None None
543403 Corey Sheredy Person Data Submitter 10/03/2013 None None
541957 Sophia Hanna Person Data Submitter 07/18/2013 06/05/2017 None
541932 Randy Phelps Person Data Submitter 07/18/2013 None None
538883 Roberta Marinelli Person Legally Responsible Official 03/01/2013 10/24/2016 None
525746 Linda Duguay Person Legally Responsible Official 02/03/2011 None None
477614 Donal Manahan Person Employee 07/11/2008 None None
Total Related Parties: 16
  
  
  
  
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?
433199 NPDES Permit 4 4B191035002 Active NPDNONMUNIPRCS R4-2024-0258 07/01/2024 None Discharger 07/24/2019 None N
404720 401 Certification 4 4WQC40116015 Historical CERFILLEXC None 04/15/2016 04/15/2021 Discharger 02/17/2016 None Y
387530 NPDES Permit 4 4B191035002 Historical NPDNONMUNIPRCS R4-2013-0172 12/26/2013 06/30/2024 Discharger 10/12/2000 None Y
348832 NPDES Permit 4 4B191035002 Historical NPDNONMUNIPRCS R4-2008-0017 05/03/2008 12/25/2013 Discharger 10/12/2000 None N
193457 Enrollee 4 4B196000450 Historical NPDNONMUNIPRCS R4-2003-0111 10/16/1998 08/26/2004 Discharger 09/01/2005 None N
148268 NPDES Permit 4 4B191035002 Historical NPDESWW R4-2000-0140 10/12/2000 05/02/2008 Discharger 10/12/2000 None N
136817 NPDES Permit 4 4B191035003 Historical NPDESWW 97-093 07/21/1997 10/06/2004 Discharger 07/21/1997 None N
135781 NPDES Permit 4 4B191035002 Historical NPDESWW 96-006 01/22/1996 10/11/2000 Discharger 01/22/1996 None N
135480 WDR 4 4B191002002 Active WDRMUNIOTH 94-114 10/31/1994 None Discharger 10/31/1994 12/31/2015 N
135024 NPDES Permit 4 4B191035003 Historical NPDESWW 94-050 06/13/1994 07/21/1997 Discharger 06/13/1994 None N
134262 WDR 4 4B191002002 Historical WDRMUNIOTH 87-143 10/26/1987 10/31/1994 Discharger 10/26/1987 None N
133988 NPDES Permit 4 4B191035002 Historical NPDESWW 84-054 05/21/1984 01/22/1996 Discharger 05/21/1984 None N
133896 NPDES Permit 4 4B191035003 Historical NPDESWW 87-128 09/28/1987 06/13/1994 Discharger 09/28/1987 None N
133758 NPDES Permit 4 4B191035003 Historical NPDESWW 79-135 08/27/1979 09/28/1987 Discharger 08/27/1979 None N
133702 NPDES Permit 4 4B191035002 Historical NPDESWW 79-059 04/23/1979 05/21/1984 Discharger 04/23/1979 None N
133039 WDR 4 4B191002002 Historical WDRMUNIOTH 66-054 12/07/1966 10/26/1987 Discharger 12/07/1966 None N
132901 NPDES Permit 4 4B191035003 Historical NPDESWW 04-15501 10/07/2004 10/08/2004 Discharger 10/07/2004 None N
Total Regulatory Measures: 17
  
  
  
  
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.
1153721 02/17/2026 OEV Enterococci Not to exceed a specific limit in more than 10% of samples within any 30-day period limit is 110 MPN/100 mL and reported value was 24000 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1153720 02/17/2026 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 16000 MPN/100 mL at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1153719 02/17/2026 OEV Enterococci Not to exceed a specific limit in more than 10% of samples within any 30-day period limit is 110 MPN/100 mL and reported value was 150 MPN/100 mL at EFF-001. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1151275 02/02/2026 Late Report Annual SMR ( MONRPT ) (Subtidal Sediment Monitoring) report for 2026 (2859959) was due on 01-FEB-26 Violation None Report USC Marine Science Center 433199 R4-2024-0258 N
1150829 12/24/2025 CAT2 Zinc, Total Daily Maximum limit is 80 ug/L and reported value was 100 ug/L at EFF-002. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
1149327 08/20/2025 OEV Enterococci 10% for 30 days limit is 110 MPN/100 mL and reported value was 340 MPN/100 mL at EFF-001. Violation N eSMR USC Marine Science Center 433199 R4-2024-0258 N
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: 6
*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
457118 Admin Civil Liability R4-2024-0248 ACL R4-2024-0248 for University of Southern California NPDNONMUNIPRCS 12/17/2025 Historical
440678 Admin Civil Liability R4-2020-0102 ACL R4-2020-0102 for University of Southern California NPDNONMUNIPRCS 01/12/2022 Historical
434938 Admin Civil Liability R4-2019-0110 ACL R4-2019-0110 for University of Southern California NPDNONMUNIPRCS 01/03/2020 Historical
404584 Admin Civil Liability R4-2016-0038 ACL R4-2016-0038 for University of Southern California NPDNONMUNIPRCS 07/19/2016 Historical
392144 Notice of Violation None NOV 07/15/2013 for University of Southern California NPDNONMUNIPRCS 07/15/2013 Historical
373530 Notice of Violation NOV NOV sent 3/2/10 for 13 effluent violations & 4 late reports. WDRMUNIOTH 03/02/2010 Historical
372906 Admin Civil Liability R4-2010-0009-M EPL R4-2010-0009-M sent 1/29/10 for 25 effluent violations. NPDESWW 01/29/2010 Historical
331717 Notice of Violation NOV NOV sent 6/29/07 for 6 reporting violations, 1 late report & 1 overdue report. NPDESWW 06/29/2007 Historical
238093 Notice of Violation NOV NOV sent 9/28/01 for deficient DMRs 2001. NPDESWW 09/28/2001 Historical
238092 Notice of Violation NOV NOV sent 9/28/01 for deficient DMRs 1998-2000. NPDESWW 09/28/2001 Historical
228156 Staff Enforcement Letter SEL Level 1 enforcement letter sent 2/16/00 for 4 overdue DMRs.- 4B191035003 NPDESWW 02/16/2000 Historical
Total Enforcement Actions: 11
  
  
  
  
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: 05/20/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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