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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
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
268541 Train Barn Wastes, Coper 8012 Los Angeles 4 Facility Owner 07/26/1976 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
207657 Six Flags Magic Mountain, Valencia Los Angeles 4 Outdoor Event Venue Owner 06/28/1982 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 Enforcement Contact 10/01/2001 None None
323557 Thomas Edgar Person Legally Responsible Official 03/01/2011 None None
170543 Tim Burkhart Person Legally Responsible Official 05/19/2006 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
323964 Tracy Quinn Person Data Submitter 07/05/2006 None None
549009 Amanda Goedike Person Legally Responsible Official 11/19/2014 None None
541710 Bruce Thomas Person Data Submitter 07/09/2013 None None
595546 Stella Shao Person Data Submitter 04/23/2025 None None
541682 Robert Sia Person Data Submitter 07/08/2013 None None
99989 Dan Duncan Person Facility Contact 06/28/1982 None None
526643 Kaitlin Hannon Person Data Submitter 04/20/2011 None None
565128 Meng-Horng Hsu Person Data Submitter 07/06/2017 04/22/2025 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
303015 Enrollee - NPDES 4 4A197500185 Historical NPDNONMUNIPRCS R4-2008-0032 12/19/2005 02/11/2014 Discharger 05/19/2006 None N
378862 Letter 4 4A199002002 Historical NPDESWW R4-2011-0029 04/26/2011 04/27/2011 Discharger 06/02/2005 None N
377411 NPDES Permit 4 4A199002002 Active NPDNONMUNIPRCS R4-2011-0029 03/04/2011 None Discharger 06/02/2005 None Y
381343 Letter 4 4A199002002 Historical NPDESWW R4-2011-0029 09/08/2011 09/09/2011 Discharger 06/02/2005 None N
134050 NPDES Permit 4 4A199002002 Historical NPDNONMUNIPRCS R4-2005-0036 07/05/2005 03/03/2011 Discharger 06/02/2005 None Y
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
136391 NPDES Permit 4 4A199002002 Historical NPDESWW 98-005 01/26/1998 06/01/2005 Discharger 01/26/1998 None N
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
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.
1145475 04/26/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 3300 MPN/100 mL at EFF-001. 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 was 4900 MPN/100 mL at EFF-002. 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 MPN/100 mL at EFF-003. 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 was 24000 MPN/100 mL at EFF-003. 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 was 46.15 ug/L at EFF-003. 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 value was 90.1 ug/L at EFF-003. 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 was 52 mg/L at EFF-001. 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 was 20.7 ug/L at EFF-001. 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 mg/L and reported value was 30 mg/L at EFF-001. 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 MPN/100 mL at EFF-001. 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 was 86 mg/L at EFF-003. 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 was 1 ml/L/hr at EFF-003. 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 at EFF-003. 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 value was 170 mg/L at EFF-003. 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 was 199 mg/L at EFF-002. 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 0.3 ml/L/hr at EFF-002. 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 was 36.2 ug/L at EFF-002. 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 MPN/100 mL at EFF-002. 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 value was 199 mg/L at EFF-002. 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 mg/L and reported value was 30 mg/L at EFF-002. 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 mg/L and reported value was 31 mg/L at EFF-001. 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 was 13000 MPN/100 mL at EFF-002. Violation N eSMR Six Flags Magic Mountain, Valencia 377411 R4-2011-0029 N
1142802 02/13/2025 OEV Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 24000 MPN/100 mL at EFF-002. 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 24000 MPN/100 mL at EFF-002. 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 was 32.8 ug/L at EFF-002. 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 mg/L and reported value was 54 mg/L at EFF-002. 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 13000 MPN/100 mL at EFF-002. 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 was 23.57 ug/L at EFF-003. 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 MPN/100 mL at EFF-001. 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 reported value was 40.6 MPN/100 mL at EFF-003. 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 MPN/100 mL at EFF-003. 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 was 9.4 ug/L at EFF-001. 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 was 3300 MPN/100 mL at EFF-001. 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 value was 1.66 mg/L at EFF-003. 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/100 mL at EFF-003. 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 was 920 MPN/100 mL at EFF-001. 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 MPN/100 mL at EFF-001. 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 was 3300 MPN/100 mL at EFF-003. 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 was 920 MPN/100 mL at EFF-002. 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 was 2300 MPN/100 mL at EFF-003. 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 value was 83.3 ug/L at EFF-003. 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 MPN/100 mL at EFF-002. 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 is 30 mg/L and reported value was 54 mg/L at EFF-002. 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 was 1600 MPN/100 mL at EFF-001. 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 value was 357 MPN/100 mL at EFF-003. 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 was 3300 MPN/100 mL at EFF-003. 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 was 40.6 ug/L at EFF-003. 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 was 2.5 ml/L/hr at EFF-003. 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 1.3 ml/L/hr at EFF-003. 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 is 30 mg/L and reported value was 31 mg/L at EFF-001. 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 value was 673 mg/L at EFF-003. 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 MPN/100 mL at EFF-003. 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
330880 Notice of Violation NOV NOV sent 5/21/07 for 510 effluent & 41 reporting violations & 3 overdue rpts. NPDESWW 05/21/2007 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
333157 Notice of Violation NOV (revised) NOV (revised) 8/24/07 for numerous effluent & reporting violations. NPDESWW 08/24/2007 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
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
358874 Admin Civil Liability R4-2008-0171-M Expedited Payment Letter sent 12/19/08 for 4 effluent violations. NPDESWW 12/19/2008 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
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
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
353575 Admin Civil Liability R4-2008-0036 MMP Order No. R4-2008-0036 Six Flags CI 6045 NPDESWW 09/05/2008 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
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
393890 Notice of Violation None NOV 11/13/2013 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 11/13/2013 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
238833 Notice of Violation NOV NOV sent 10/01/01 for permit effluent violations & overdue DMR. NPDESWW 10/01/2001 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
405358 Notice of Violation None NOV 11/20/2013 for Magic Mountain, LLC (Former Six Flags Theme Parks, Inc) NPDNONMUNIPRCS 11/20/2013 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
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
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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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