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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
219946 Dewatering,Jamboree Rd. Ext Orange 8 Facility Owner 02/09/1990 None
781587 Union Pacific Railroad Waterfront Lease Site (Former G&R Metals) Remedial Action Humboldt 1 Dredge/Fill Site Land Owner 05/22/2012 None
210346 UPRR Bridge 331.84 Replacement Portola Plumas 5R Dredge/Fill Site Owner 06/17/2005 None
210353 Bridge Replacement MP 656.75 Imperial 7 Dredge/Fill Site Owner 10/16/2000 None
764369 Dunsmuir Railyard Monitoring Equipment Temperature & Flow Transducer Siskiyou 5R Dredge/Fill Site Owner and Operator 03/15/2011 None
203125 401 Cert-Various Locations Riverside 8 Dredge/Fill Site Owner 06/06/2000 None
241718 MP 61.00 WQC Solano 5S Dredge/Fill Site Owner 06/17/2005 None
220849 Dunsmuir Railyard Siskiyou 5R Service/Commercial Site, NEC None None None
273215 UPRR Bridge Wyandotte Replacement Butte 5R Dredge/Fill Site Owner 06/17/2005 None
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
210373 UPRR Bridge 191.40 Replacement Honcut Creek Yuba 5R Dredge/Fill Site Owner 06/17/2005 None
775777 Union Pacific Colfax Railyard Placer 5S Groundwater Cleanup Site Land Owner 01/12/2012 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
253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 08/13/2008 None
219626 Desalter - 17th Street Orange 8 Facility None None None
203212 450' E of 3rd&Mandela, Oakland Alameda 2 Facility Owner 02/14/2002 None
756562 UPRR Bridge 255.10 Dibble Creek Replacement Tehama 5R Dredge/Fill Site Owner and Operator 09/02/2010 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
634801 Culvert 213.67 & 221.91 Roseville Nevada 6A Dredge/Fill Site Owner 06/18/2006 None
253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 09/22/1989 08/13/2008
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?
140809 WDR 5S 5A310106003 Historical WDRNONMUNIPRCS 92-197 09/25/1992 02/01/2012 Discharger 09/25/1992 None Y
346665 Enrollee - NPDES 1 1B93002NSON Active SLIC R1-2022-0013 08/10/2011 None Discharger 06/29/2006 None Y
141271 NPDES Permit 5S 5A310106005 Historical NPDESWW 94-333 12/09/1994 06/15/2000 Discharger 12/09/1994 None Y
153767 401 Certification 6V 6B360502005 Historical CERFILLEXC None 06/17/2005 03/12/2007 Discharger 06/17/2005 None N
180006 Enrollee 2 2 019432001 Historical NPDNONMUNIPRCS 01-100 05/28/2002 06/27/2005 Discharger 09/01/2005 None N
311902 401 Certification 5F 5B20CR00009 Historical CERFILLEXC None 08/11/2006 None Discharger 09/27/2006 None N
368911 Enrollee - NPDES 5R 5A471001002 Historical NPDNONMUNIPRCS R5-2013-0073 07/13/2010 09/01/2017 Discharger 07/22/2009 None N
393963 Letter 5R 5A471001002 Historical NPDNONMUNIPRCS None 10/11/2013 10/11/2013 Discharger 11/20/2013 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
153333 401 Certification 5R 5A327021N06 Historical CERFILLEXC None 06/17/2005 06/17/2005 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
375768 401 Certification 5R 5A52CR00109 Historical CERFILLEXC None 09/30/2010 09/29/2015 Discharger 09/02/2010 None N
306897 Enrollee 5R 5A32NP00005 Historical NPDNONMUNIPRCS 5-00-119 05/15/2006 02/05/2008 Discharger 05/15/2006 None N
139112 WDR 8 8 302626001 Historical NPDESWW 90-005 02/09/1990 None Discharger 02/09/1990 None N
139761 WDR 5S 5A310106003 Historical WDR 83-126 09/23/1983 02/22/1990 Discharger 09/23/1983 None N
153795 401 Certification 5R 5A327021N12 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
164457 401 Certification 7 7A133006001 Historical CERFILLEXC None None None Discharger 06/17/2005 None N
259542 Letter 5R None Historical WDR LT990326 03/26/1999 03/26/1999 Discharger 03/26/1999 None N
305022 Enrollee - 401 Certification None 6A290506002 Historical CERFILLEXC R6T-2003-0004 08/02/2005 05/21/2009 Discharger 06/18/2006 None N
139933 WDR 8 8 302626001 Historical NPDESWW 91-12701 12/13/1991 None Discharger 12/13/1991 None N
153556 401 Certification 5R 5A047044N06 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
194439 Enrollee 5R 5A252000001 Historical WDRNONMUNIPRCS 91-250 11/05/1998 03/26/1999 Discharger 09/01/2005 None N
395189 Letter 5R 5A471001002 Historical NPDNONMUNIPRCS None 12/23/2013 12/23/2013 Discharger 03/04/2014 None N
385249 401 Certification 1 1B12094WNHU Historical CERFILLEXC None 07/12/2012 07/11/2017 Discharger 05/22/2012 None N
164978 401 Certification 8 8 332642001 Historical CERFILLEXC None None None Discharger 06/17/2005 None N
323934 Enrollee 1 1B93002NSON Historical SLIC R1-2006-0048 04/17/2007 08/10/2011 Discharger 06/29/2006 None N
382846 Enrollee - NPDES 5S 5A31NP00047 Historical NPDNONMUNIPRCS R5-2013-0075 12/23/2008 12/02/2014 Discharger 01/12/2012 None N
383392 WDR 5S 5A310106003 Active LNDISPOTH R5-2012-0009 02/02/2012 None Discharger 09/25/1992 None N
153557 401 Certification 5R 5A047044N07 Historical CERFILLEXC None 06/17/2005 06/17/2005 Discharger 06/17/2005 None N
140682 NPDES Permit 8 8 302781001 Historical NPDESWW 93-043 06/04/1993 07/18/2002 Discharger 06/04/1993 None N
392244 Enrollee - 401 Certification 5R 5A52CR00107 Historical CERFILLEXC RGP 60 04/20/2009 04/20/2010 Discharger 04/22/2010 None N
380905 Individual Monitoring Requirem 1 1B93002NSON Active SLIC R1-2011-0087 08/10/2011 None Discharger 06/29/2006 None N
378068 401 Certification 5R 5A47CR00037 Historical CERFILLEXC None 03/25/2011 03/25/2013 Discharger 03/15/2011 None N
Total Regulatory Measures: 35
  
  
  
  
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
393981 Notice of Violation None NOV 10/02/2013 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 10/02/2013 Historical
405092 Oral Communication None Oral Com 03/14/2016 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 03/14/2016 Historical
223428 Admin Civil Liability R5-1989-0500 ACLC R5-1989-0500 for Union Pacific Railroad, Roseville Yard DISCHLND 02/28/1989 Historical
411701 Oral Communication None Oral Com 02/02/2017 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 02/02/2017 Historical
379195 Notice of Violation None NOV 05/18/2011 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 05/18/2011 Historical
410441 Notice of Violation None NOV 11/30/2016 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 11/30/2016 Historical
437569 Notice of Violation None NOV 04/09/2020 for UPRR Dunsmuir Railyard NPDNONMUNIPRCS 04/09/2020 Historical
219771 Admin Civil Liability R5-1995-0506 ACL R5-1995-0506 for Union Pacific Rairoad SLIC 07/25/1995 Historical
402732 Oral Communication None Verbal 09/04/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 09/04/2015 Historical
402837 Notice of Violation None NOV 08/21/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 08/21/2015 Historical
437034 Notice of Violation None NOV 01/08/2020 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 01/08/2020 Historical
403192 Oral Communication None Oral Com 10/12/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 10/12/2015 Historical
220019 Clean-up and Abatement Order 94-706 CAO 94-706 UPRR Redding RR Yard UST 08/23/1994 Historical
380145 Admin Civil Liability R5-2011-0585 ACL R5-2011-0585 for Union Pacific RR Company NPDNONMUNIPRCS 07/14/2011 Historical
445498 Notice of Violation None NOV 10/05/2021 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 10/05/2021 Historical
219664 Clean-up and Abatement Order LT960221 Rescission of CAO 94-706 SPRR Redding RR Yard UST 02/21/1996 Historical
394509 Admin Civil Liability R5-2013-0594 ACL R5-2013-0594 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 01/16/2014 Historical
394848 Oral Communication None Verbal 01/29/2014 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 01/29/2014 Historical
402201 Oral Communication None Verbal 07/23/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 07/23/2015 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
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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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