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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
32061 Newhall Land & Farming Company Valencia Privately-Owned Business 25124 Springfield Court 300 Valencia, CA 91355-2103 805-255-4026(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
244919 Natural River Management Plan Los Angeles 4 Waterway/Shoreline Site Owner 01/15/1999 None
634130 Newhall Land Los Angeles 4 Facility Owner 06/07/2006 None
221176 Del Lago Dewatering Proj. Los Angeles 4 Facility Owner 10/19/1998 None
231309 Hart/Pony Baseball & Auto Mall Los Angeles 4 Facility Owner 04/10/2003 None
273701 West Creek Stabilization Proj Los Angeles 4 Facility Owner 08/07/2000 None
261510 Soledad Business Park Bank Pro Los Angeles 4 Facility Owner 05/09/2003 None
221142 Decoro Drive Bridge Los Angeles 4 Facility Owner 04/11/2000 None
208307 Avenue Scott Bridge Los Angeles 4 Facility Owner 02/19/1999 None
218639 Creekside Bank Stabilization Los Angeles 4 Facility Owner 08/07/2000 None
223245 East Creek Channel Lining Proj Los Angeles 4 Facility Owner 05/25/2000 None
261649 South River Dewatering Proj. Los Angeles 4 Facility Owner 12/15/1998 None
260015 Salt Creek Pipeline Crossing Ventura 4 Facility Owner 01/19/1999 None
273580 Well #162 Los Angeles 4 Facility Owner 07/12/2001 None
877310 Southbound Interstate 5/ Rye Canyon Road Hook Ramps Relocation Project Los Angeles 4 Dredge/Fill Site Owner 11/01/2021 None
867310 Entrada South Project (Tract 53295) Los Angeles 4 Dredge/Fill Site Owner 06/10/2020 None
845301 Mission Village Project Off-site Debris Basin Los Angeles 4 Dredge/Fill Site Owner 03/02/2018 None
272726 Wilson Slough Fish Screen Project Glenn 5R Dredge/Fill Site Owner 06/17/2005 None
788780 Newhall Ranch Resource and Development Plan Los Angeles 4 Development Site, NEC Owner and Operator 12/05/2012 None
Total Related Places: 18
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
83365 Ross Pistone Person Legally Responsible Official 10/19/1998 None None
83365 Ross Pistone Person Facility Contact 10/19/1998 None None
83365 Ross Pistone Person Enforcement Contact 01/27/2003 None None
537832 Matt Carpenter Person Legally Responsible Official 12/05/2012 None None
537852 Samuel Rojas Person Data Submitter 12/06/2012 None None
537852 Samuel Rojas Person Legally Responsible Official 03/02/2018 None None
Total Related Parties: 6
  
  
  
  
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?
304421 Enrollee 4 4A196700021 Historical WDRNONMUNIPRCS 93-010 07/06/2005 12/16/2009 Discharger 06/07/2006 None N
193537 Enrollee 4 4B196000588 Historical NPDNONMUNIPRCS 97-045 08/22/2001 10/10/2002 Discharger 09/01/2005 None N
192900 Enrollee 4 4A196000455 Historical NPDNONMUNIPRCS 97-045 11/17/1998 02/24/2003 Discharger 09/01/2005 None N
193014 Enrollee 4 4A566000469 Historical NPDNONMUNIPRCS 97-045 02/02/1999 01/12/2000 Discharger 09/01/2005 None N
192968 Enrollee 4 4A197500001 Historical NPDNONMUNIPRCS R4-2003-0111 10/03/2003 03/12/2004 Discharger 09/01/2005 None N
192909 Enrollee 4 4A196000557 Historical NPDNONMUNIPRCS 97-045 10/05/2000 02/21/2003 Discharger 09/01/2005 None N
192902 Enrollee 4 4A196000473 Historical NPDNONMUNIPRCS 97-045 03/02/1999 02/24/2003 Discharger 09/01/2005 None N
192969 Enrollee - NPDES 4 4A197500003 Historical NPDNONMUNIPRCS R4-2003-0111 08/28/2003 11/25/2003 Discharger 09/01/2005 None N
192908 Enrollee 4 4A196000539 Historical NPDNONMUNIPRCS 97-045 07/21/2000 03/29/2002 Discharger 09/01/2005 None N
192907 Enrollee 4 4A196000534 Historical NPDNONMUNIPRCS 97-045 04/26/2000 10/21/2002 Discharger 09/01/2005 None N
192910 Enrollee 4 4A196000558 Historical NPDNONMUNIPRCS 97-045 10/05/2000 03/29/2002 Discharger 09/01/2005 None N
192901 Enrollee 4 4A196000467 Historical NPDNONMUNIPRCS 97-045 12/17/1998 02/21/2003 Discharger 09/01/2005 None N
150495 401 Certification 5R 5A046003N01 Historical CERFILLEXC None 01/01/1997 06/17/2005 Discharger 06/17/2005 None N
388331 WDR 4 4A191290002 Active CERFILLEXC R4-2012-0139 09/14/2012 None Discharger 09/14/2012 None N
445546 Enrollee - WDR 4 4WQC40121080 Active CERFILLEXC 2004-0004-DWQ 10/30/2021 None Discharger 11/01/2021 None N
419797 401 Certification 4 4WQC40118018 Active CERFILLEXC None 09/06/2018 None Discharger 03/02/2018 None N
147419 WDR 4 4A191290001 Active CERFILLEXC 99-104 10/28/1999 None Discharger 10/28/1999 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.
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
256873 Admin Civil Liability R4-2003-0004 MMPC R4-2003-0004 Newhall Land, South River Dewatering Proj (01/27/03) NPDNONMUNIPRCS 01/27/2003 Historical
256874 Admin Civil Liability R4-2003-0005 MMPC R4-2003-0005 Newhall Land, Avenue Scott Bridge 01/27/03 NPDNONMUNIPRCS 01/27/2003 Historical
238021 Notice of Violation NOV NOV - Newhall Land, South River Dewatering Proj. (06/20/05) NPDNONMUNIPRCS 09/25/2001 Historical
228384 Staff Enforcement Letter SEL Notice of Noncompliance sent 7/16/99 for effluent violations.- 4A196000455 NPDNONMUNIPRCS 07/16/1999 Historical
Total Enforcement Actions: 4
  
  
  
  
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: 11/03/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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