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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
44013 Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) Privately-Owned Business 26101 Magic Mountain Parkway Valencia, CA 91355 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
268541 Train Barn Wastes, Coper 8012 Los Angeles 4 Facility Owner 07/26/1976 None
207657 Six Flags Magic Mountain, Valencia Los Angeles 4 Outdoor Event Venue Owner 06/28/1982 None
815549 Six Flag Magic Mountain Parking Lot Bank Stabilization Los Angeles 4 Dredge/Fill Site Owner 05/28/2015 None
633434 Parking Lot Reclamation and Santa Clara River Bank Stabilization Project Los Angeles 4 Outdoor Event Venue Owner 05/19/2006 None
242106 Maintenance Garage Washdown Los Angeles 4 Facility Owner 01/25/1982 None
242042 Magic Pagoda Dis, Coper 8011 Los Angeles 4 Facility Owner 08/18/1975 None
Total Related Places: 6
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
99989 Dan Duncan Person Facility Contact 06/28/1982 None None
99989 Dan Duncan Person Enforcement Contact 10/01/2001 None None
170543 Tim Burkhart Person Legally Responsible Official 05/19/2006 None None
323964 Tracy Quinn Person Data Submitter 07/05/2006 None None
323557 Thomas Edgar Person Legally Responsible Official 03/01/2011 None None
526642 Raymond Ouellette Person Data Submitter 04/20/2011 None None
526641 Bonnie Rabjohn Person Legally Responsible Official 04/20/2011 None None
526643 Kaitlin Hannon Person Data Submitter 04/20/2011 None None
541682 Robert Sia Person Data Submitter 07/08/2013 None None
541710 Bruce Thomas Person Data Submitter 07/09/2013 None None
549009 Amanda Goedike Person Legally Responsible Official 11/19/2014 None None
565128 Meng-Horng Hsu Person Data Submitter 07/06/2017 04/22/2025 None
595546 Stella Shao Person Data Submitter 04/23/2025 None None
Total Related Parties: 13
  
  
  
  
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?
401231 401 Certification 4 4WQC40114074 Active CERFILLEXC None 08/20/2015 None Discharger 05/28/2015 None N
377411 NPDES Permit 4 4A199002002 Active NPDNONMUNIPRCS R4-2011-0029 03/04/2011 None Discharger 06/02/2005 None Y
378862 Letter 4 4A199002002 Historical NPDESWW R4-2011-0029 04/26/2011 04/27/2011 Discharger 06/02/2005 None N
381343 Letter 4 4A199002002 Historical NPDESWW R4-2011-0029 09/08/2011 09/09/2011 Discharger 06/02/2005 None N
303015 Enrollee - NPDES 4 4A197500185 Historical NPDNONMUNIPRCS R4-2008-0032 12/19/2005 02/11/2014 Discharger 05/19/2006 None N
134050 NPDES Permit 4 4A199002002 Historical NPDNONMUNIPRCS R4-2005-0036 07/05/2005 03/03/2011 Discharger 06/02/2005 None Y
135398 NPDES Permit 4 4A199002002 Historical NPDESWW R4-1993-0004 01/25/1993 01/26/1998 Discharger 01/25/1993 None N
133895 NPDES Permit 4 4A199002002 Historical NPDESWW R4-1987-0127 09/28/1987 01/25/1993 Discharger 09/28/1987 None N
134851 NPDES Permit 4 4A199002002 Historical NPDESWW R4-1982-0037 06/28/1982 09/28/1987 Discharger 06/28/1982 None N
135987 WDR 4 4A199002004 Historical WDR P 8366 01/25/1982 01/11/2001 Discharger 01/25/1982 None N
135580 WDR 4 4A199002001 Historical WDR P 8012 07/26/1976 02/22/2001 Discharger 07/26/1976 None N
135579 WDR 4 4A199002003 Historical WDR P 8011 08/18/1975 12/07/2000 Discharger 08/18/1975 None N
136391 NPDES Permit 4 4A199002002 Historical NPDESWW 98-005 01/26/1998 06/01/2005 Discharger 01/26/1998 None N
148838 WDR 4 4A199002001 Historical WDR 01-02705 02/22/2001 None Discharger 02/22/2001 None N
148866 WDR 4 4A199002004 Historical WDR 01-00403 01/11/2001 None Discharger 01/11/2001 None N
148893 WDR 4 4A199002003 Historical WDR 00-17903 12/07/2000 None Discharger 12/07/2000 None N
Total Regulatory Measures: 16
  
  
  
  
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.
1142802 02/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142794 03/05/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 1600 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142783 01/26/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 280 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142801 02/13/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 2400 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142772 02/13/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 2300 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142790 03/13/2025 OEV E.coli Monthly Average limit is 235 MPN/100 mL and reported value was 350 MPN/10 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145466 04/26/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 1600 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142786 01/26/2025 OEV Fecal Coliform 1-Hour Average (Mean) limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142785 02/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145457 04/26/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 1100 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142796 03/13/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 350 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142779 03/05/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145475 04/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142792 01/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142798 03/13/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 1300 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145474 04/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142781 03/05/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142788 02/13/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 920 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145472 04/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142789 02/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142803 03/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142787 02/05/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145473 04/26/2025 OEV E.coli Single Sample Maximum limit is 235 MPN/100 mL and reported value was 7900 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145458 04/30/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 20 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142793 01/31/2025 CAT2 Bis (2-Ethylhexyl) Phthalate Monthly Average limit is 6 ug/L and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142784 02/13/2025 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 39 ug/L and reported val Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142795 03/05/2025 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 39 MPN/100 mL and report Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145471 04/30/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 18 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142778 02/28/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 18 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142797 03/31/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 18 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142791 01/26/2025 CAT2 Chlorine, Total Residual Maximum Daily (MDEL) limit is 0.1 mg/L and reported val Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145468 04/30/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 18 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145470 04/26/2025 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 39 ug/L and reported val Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142800 01/31/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 20 ug/L and reported value wa Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145460 04/30/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145462 05/07/2025 CAT1 Chloride Maximum Daily (MDEL) limit is 100 mg/L and reported value was 491 mg/L Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142774 01/26/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Maximum Daily (MDEL) limit i Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142773 02/13/2025 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145461 04/26/2025 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142799 01/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145465 04/30/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145459 04/30/2025 CAT1 Settleable Solids Monthly Average limit is 0.1 ml/L/hr and reported value was 0. Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145469 04/30/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145455 04/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142777 02/13/2025 CAT1 Settleable Solids Maximum Daily (MDEL) limit is 0.3 ml/L/hr and reported value w Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142782 01/26/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Maximum Daily (MDEL) limit i Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145463 04/26/2025 CAT1 Settleable Solids Maximum Daily (MDEL) limit is 0.3 ml/L/hr and reported value w Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142775 02/28/2025 CAT1 Settleable Solids Monthly Average limit is 0.1 ml/L/hr and reported value was 1. Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142804 01/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145456 04/26/2025 CAT1 Total Suspended Solids (TSS) Maximum Daily (MDEL) limit is 75 mg/L and reported Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1145467 04/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 20 Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142780 02/28/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 MPN/100 mL and reported Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 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: 52
*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
458899 Admin Civil Liability R4-2024-0329 ACL R4-2024-0329 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 02/05/2025 Historical
451884 Admin Civil Liability R4-2023-0028 ACL R4-2023-0028 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 06/07/2023 Historical
427703 Admin Civil Liability R4-2018-0133 ACL R4-2018-0133 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 01/08/2021 Historical
417948 Admin Civil Liability R4-2017-0196 ACL R4-2017-0196 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 02/20/2018 Historical
413967 Admin Civil Liability R4-2017-0013 ACL R4-2017-0013 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 08/31/2017 Historical
402130 Admin Civil Liability R4-2015-0116 ACL R4-2015-0116 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 03/15/2016 Historical
405358 Notice of Violation None NOV 11/20/2013 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 11/20/2013 Historical
393890 Notice of Violation None NOV 11/13/2013 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 11/13/2013 Historical
390047 Admin Civil Liability R4-2013-0034 ACL R4-2013-0034 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 06/10/2013 Historical
381869 Admin Civil Liability R4-2011-0137-M EPL R4-2011-0137-M for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 10/19/2011 Historical
378227 Time Schedule Order R4-2011-0030 TSO No. R4-2011-0030 issued to Six Flags Magic Mountain (02/03/11) NPDNONMUNIPRCS 02/03/2011 Historical
375426 Admin Civil Liability R4-2010-0099-M EPL No. R4-2010-0099-M - Magic Mountain LLC, Six Flags Magic Mountain (07/14/10) NPDESWW 07/14/2010 Historical
358874 Admin Civil Liability R4-2008-0171-M Expedited Payment Letter sent 12/19/08 for 4 effluent violations. NPDESWW 12/19/2008 Historical
353575 Admin Civil Liability R4-2008-0036 MMP Order No. R4-2008-0036 Six Flags CI 6045 NPDESWW 09/05/2008 Historical
333157 Notice of Violation NOV (revised) NOV (revised) 8/24/07 for numerous effluent & reporting violations. NPDESWW 08/24/2007 Historical
330880 Notice of Violation NOV NOV sent 5/21/07 for 510 effluent & 41 reporting violations & 3 overdue rpts. NPDESWW 05/21/2007 Historical
299642 Time Schedule Order R4-2005-0043 TSO R4-2005-0043 issued 6/29/05: interim chloride limits for Order R4-2005-0036. NPDESWW 07/05/2005 Historical
246269 Admin Civil Liability R4-2002-0002 Mandatory Minimum Penalty Complaint R4-2002-0002 for $33,000 issued 11/25/02. NPDESWW 11/25/2002 Historical
238833 Notice of Violation NOV NOV sent 10/01/01 for permit effluent violations & overdue DMR. NPDESWW 10/01/2001 Historical
Total Enforcement Actions: 19
  
  
  
  
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: 10/14/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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