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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
41677 Union Pacific Railroad Company Roseville Yard Privately-Owned Business 9451 Atkinson Street 100 Roseville, CA 95747 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
781587 Union Pacific Railroad Waterfront Lease Site (Former G&R Metals) Remedial Action Humboldt 1 Dredge/Fill Site Land Owner 05/22/2012 None
775777 Union Pacific Colfax Railyard Placer 5S Groundwater Cleanup Site Land Owner 01/12/2012 None
220849 Dunsmuir Railyard Siskiyou 5R Service/Commercial Site, NEC None None None
219626 Desalter - 17th Street Orange 8 Facility None None None
253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 08/13/2008 None
253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 09/22/1989 08/13/2008
602451 Berenda Creek Bridge Madera 5F Dredge/Fill Site Owner 01/06/2006 None
229467 UPRR Spill Hackamore Siding Modoc 5R Facility Owner 10/02/1998 None
241189 Mojave Subdivision Kern 6B Facility Owner 02/25/2004 None
253344 Union Pacific Railroad Company - Roseville Rail Yard Placer 5S Surface Impoundment Owner 09/23/1983 None
796960 UPRR Bridge 225.10 Dibble Creek Replacement Tehama 5R Dredge/Fill Site Owner 07/18/2013 None
241717 MP 60.08 WQC Solano 5S Dredge/Fill Site Owner 06/17/2005 None
210345 UPRR Bridge 325.47 Replacement Portola Plumas 5R Dredge/Fill Site Owner 06/17/2005 None
241186 Mojave River Railway Repair San Bernardino 6B Dredge/Fill Site Owner 02/09/2005 None
269035 Union Pacific Railroad Company (Former West Coast Metals) Sonoma 1 Spill Site Owner 06/29/2006 None
273215 UPRR Bridge Wyandotte Replacement Butte 5R Dredge/Fill Site Owner 06/17/2005 None
241718 MP 61.00 WQC Solano 5S Dredge/Fill Site Owner 06/17/2005 None
203125 401 Cert-Various Locations Riverside 8 Dredge/Fill Site Owner 06/06/2000 None
210353 Bridge Replacement MP 656.75 Imperial 7 Dredge/Fill Site Owner 10/16/2000 None
210346 UPRR Bridge 331.84 Replacement Portola Plumas 5R Dredge/Fill Site Owner 06/17/2005 None
219946 Dewatering,Jamboree Rd. Ext Orange 8 Facility Owner 02/09/1990 None
210373 UPRR Bridge 191.40 Replacement Honcut Creek Yuba 5R Dredge/Fill Site Owner 06/17/2005 None
634801 Culvert 213.67 & 221.91 Roseville Nevada 6A Dredge/Fill Site Owner 06/18/2006 None
203212 450' E of 3rd&Mandela, Oakland Alameda 2 Facility Owner 02/14/2002 None
248925 UPRR Portola Railyard Plumas 5R Groundwater Cleanup Site Owner 06/17/2005 None
274474 Yolo Bypass WQC Alameda 5S Dredge/Fill Site Owner 06/17/2005 None
756562 UPRR Bridge 255.10 Dibble Creek Replacement Tehama 5R Dredge/Fill Site Owner and Operator 09/02/2010 None
764369 Dunsmuir Railyard Monitoring Equipment Temperature & Flow Transducer Siskiyou 5R Dredge/Fill Site Owner and Operator 03/15/2011 None
Total Related Places: 28
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
107235 James Diel Person Facility Contact 06/17/2005 01/05/2006 None
107235 James Diel Person Legal representative 06/17/2005 01/05/2006 None
107235 James Diel Person Legally Responsible Official 04/08/1992 08/31/2014 None
547654 Lauren Mancuso Person Legally Responsible Official 08/08/2014 08/07/2024 None
88978 Mike Grant Person Legal representative 05/15/2005 None None
149600 Joseph Lozano Person Employee 12/07/2005 None None
648793 Kristen Stevens Person Legally Responsible Official 11/20/2024 None None
149599 Art Valenzuela Person Employee 12/07/2005 None None
374209 Michael Grant Person Facility Contact 06/29/2007 None None
541930 Steve Strickland Person Legally Responsible Official 07/18/2013 None None
531861 John Thomas Person Legally Responsible Official 02/02/2012 None None
Total Related Parties: 11
  
  
  
  
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?
305022 Enrollee - 401 Certification None 6A290506002 Historical CERFILLEXC R6T-2003-0004 08/02/2005 05/21/2009 Discharger 06/18/2006 None N
140682 NPDES Permit 8 8 302781001 Historical NPDESWW 93-043 06/04/1993 07/18/2002 Discharger 06/04/1993 None N
164978 401 Certification 8 8 332642001 Historical CERFILLEXC None None None Discharger 06/17/2005 None N
139933 WDR 8 8 302626001 Historical NPDESWW 91-12701 12/13/1991 None Discharger 12/13/1991 None N
139112 WDR 8 8 302626001 Historical NPDESWW 90-005 02/09/1990 None Discharger 02/09/1990 None N
164457 401 Certification 7 7A133006001 Historical CERFILLEXC None None None Discharger 06/17/2005 None N
153767 401 Certification 6V 6B360502005 Historical CERFILLEXC None 06/17/2005 03/12/2007 Discharger 06/17/2005 None N
203937 Enrollee 6V 6B150402002 Historical CONSTW None 06/30/2004 03/16/2006 Discharger 09/01/2005 None N
259718 Letter 6V None Historical WDR LT981229 None 12/29/1998 Discharger 12/29/1998 None N
141271 NPDES Permit 5S 5A310106005 Historical NPDESWW 94-333 12/09/1994 06/15/2000 Discharger 12/09/1994 None Y
383392 WDR 5S 5A310106003 Active LNDISPOTH R5-2012-0009 02/02/2012 None Discharger 09/25/1992 None N
140382 WDR 5S 5A310106003 Historical WDR 90-052 02/23/1990 09/24/1992 Discharger 02/23/1990 None N
141376 NPDES Permit 5S 5A310106005 Historical NPDESWW 89-157 09/22/1989 12/08/1994 Discharger 09/22/1989 None N
382846 Enrollee - NPDES 5S 5A31NP00047 Historical NPDNONMUNIPRCS R5-2013-0075 12/23/2008 12/02/2014 Discharger 01/12/2012 None N
139761 WDR 5S 5A310106003 Historical WDR 83-126 09/23/1983 02/22/1990 Discharger 09/23/1983 None N
140809 WDR 5S 5A310106003 Historical WDRNONMUNIPRCS 92-197 09/25/1992 02/01/2012 Discharger 09/25/1992 None Y
259542 Letter 5R None Historical WDR LT990326 03/26/1999 03/26/1999 Discharger 03/26/1999 None N
153795 401 Certification 5R 5A327021N12 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
306897 Enrollee 5R 5A32NP00005 Historical NPDNONMUNIPRCS 5-00-119 05/15/2006 02/05/2008 Discharger 05/15/2006 None N
375768 401 Certification 5R 5A52CR00109 Historical CERFILLEXC None 09/30/2010 09/29/2015 Discharger 09/02/2010 None N
153333 401 Certification 5R 5A327021N06 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
393963 Letter 5R 5A471001002 Historical NPDNONMUNIPRCS None 10/11/2013 10/11/2013 Discharger 11/20/2013 None N
368911 Enrollee - NPDES 5R 5A471001002 Historical NPDNONMUNIPRCS R5-2013-0073 07/13/2010 09/01/2017 Discharger 07/22/2009 None N
392244 Enrollee - 401 Certification 5R 5A52CR00107 Historical CERFILLEXC RGP 60 04/20/2009 04/20/2010 Discharger 04/22/2010 None N
378068 401 Certification 5R 5A47CR00037 Historical CERFILLEXC None 03/25/2011 03/25/2013 Discharger 03/15/2011 None N
153557 401 Certification 5R 5A047044N07 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
395189 Letter 5R 5A471001002 Historical NPDNONMUNIPRCS None 12/23/2013 12/23/2013 Discharger 03/04/2014 None N
194439 Enrollee 5R 5A252000001 Historical WDRNONMUNIPRCS 91-250 11/05/1998 03/26/1999 Discharger 09/01/2005 None N
153556 401 Certification 5R 5A047044N06 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
311902 401 Certification 5F 5B20CR00009 Historical CERFILLEXC None 08/11/2006 None Discharger 09/27/2006 None N
180006 Enrollee 2 2 019432001 Historical NPDNONMUNIPRCS 01-100 05/28/2002 06/27/2005 Discharger 09/01/2005 None N
385249 401 Certification 1 1B12094WNHU Historical CERFILLEXC None 07/12/2012 07/11/2017 Discharger 05/22/2012 None N
346665 Enrollee - NPDES 1 1B93002NSON Active SLIC R1-2022-0013 08/10/2011 None Discharger 06/29/2006 None Y
380905 Individual Monitoring Requirem 1 1B93002NSON Active SLIC R1-2011-0087 08/10/2011 None Discharger 06/29/2006 None N
323934 Enrollee 1 1B93002NSON Historical SLIC R1-2006-0048 04/17/2007 08/10/2011 Discharger 06/29/2006 None N
Total Regulatory Measures: 35
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1094849 11/02/2020 Order Conditions Discharge Specification B.9 of the WDRs states in part: Prior to the wet season Violation None Report Union Pacific Railroad Company - Roseville Rail Yard 383392 R5-2012-0009 Y
1094852 09/29/2021 Order Conditions Section X.C.4 of the 2003 Standard Provisions states in part: ? the Discharger m Violation None Report Union Pacific Railroad Company - Roseville Rail Yard 383392 R5-2012-0009 Y
1094850 09/29/2021 Order Conditions In the noted 30 November 2016 NOV, Water Board staff directed the Discharger to Violation None Report Union Pacific Railroad Company - Roseville Rail Yard 383392 R5-2012-0009 Y
1094851 09/29/2021 Order Conditions a. Section X.C.1 of the 2003 Standard Provisions states in part: If the detectio Violation None Report Union Pacific Railroad Company - Roseville Rail Yard 383392 R5-2012-0009 Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 4
*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
402732 Oral Communication None Verbal 09/04/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 09/04/2015 Historical
402201 Oral Communication None Verbal 07/23/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 07/23/2015 Historical
394848 Oral Communication None Verbal 01/29/2014 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 01/29/2014 Historical
219664 Clean-up and Abatement Order LT960221 Rescission of CAO 94-706 SPRR Redding RR Yard UST 02/21/1996 Historical
403192 Oral Communication None Oral Com 10/12/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 10/12/2015 Historical
405092 Oral Communication None Oral Com 03/14/2016 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 03/14/2016 Historical
411701 Oral Communication None Oral Com 02/02/2017 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 02/02/2017 Historical
410441 Notice of Violation None NOV 11/30/2016 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 11/30/2016 Historical
445498 Notice of Violation None NOV 10/05/2021 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 10/05/2021 Historical
393981 Notice of Violation None NOV 10/02/2013 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 10/02/2013 Historical
402837 Notice of Violation None NOV 08/21/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 08/21/2015 Historical
379195 Notice of Violation None NOV 05/18/2011 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 05/18/2011 Historical
437569 Notice of Violation None NOV 04/09/2020 for UPRR Dunsmuir Railyard NPDNONMUNIPRCS 04/09/2020 Historical
437034 Notice of Violation None NOV 01/08/2020 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 01/08/2020 Historical
219695 Clean-up and Abatement Order 87-005 Enforcement - 6B368050N09 UNREGS 03/10/1987 Active
223909 Clean-up and Abatement Order R5-1989-0703 CAO R5-1989-0703 for Union Pacific Railroad, Roseville Rail Yard WDR 02/28/1989 Active
220019 Clean-up and Abatement Order 94-706 CAO 94-706 UPRR Redding RR Yard UST 08/23/1994 Historical
223428 Admin Civil Liability R5-1989-0500 ACLC R5-1989-0500 for Union Pacific Railroad, Roseville Yard DISCHLND 02/28/1989 Historical
394509 Admin Civil Liability R5-2013-0594 ACL R5-2013-0594 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 01/16/2014 Historical
380145 Admin Civil Liability R5-2011-0585 ACL R5-2011-0585 for Union Pacific RR Company NPDNONMUNIPRCS 07/14/2011 Historical
219771 Admin Civil Liability R5-1995-0506 ACL R5-1995-0506 for Union Pacific Rairoad SLIC 07/25/1995 Historical
Total Enforcement Actions: 21
  
  
  
  
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: 10/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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