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 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 796960 UPRR Bridge 225.10 Dibble Creek Replacement Tehama 5R Dredge/Fill Site Owner 07/18/2013 null 781587 Union Pacific Railroad Waterfront Lease Site (Former G&R Metals) Remedial Action Humboldt 1 Dredge/Fill Site Land Owner 05/22/2012 null 775777 Union Pacific Colfax Railyard Placer 5S Groundwater Cleanup Site Land Owner 01/12/2012 null 764369 Dunsmuir Railyard Monitoring Equipment Temperature & Flow Transducer Siskiyou 5R Dredge/Fill Site Owner and Operator 03/15/2011 null 756562 UPRR Bridge 255.10 Dibble Creek Replacement Tehama 5R Dredge/Fill Site Owner and Operator 09/02/2010 null 634801 Culvert 213.67 & 221.91 Roseville Nevada 6A Dredge/Fill Site Owner 06/18/2006 null 602451 Berenda Creek Bridge Madera 5F Dredge/Fill Site Owner 01/06/2006 null 274474 Yolo Bypass WQC Alameda 5S Dredge/Fill Site Owner 06/17/2005 null 273215 UPRR Bridge Wyandotte Replacement Butte 5R Dredge/Fill Site Owner 06/17/2005 null 269035 Union Pacific Railroad Company (Former West Coast Metals) Sonoma 1 Spill Site Owner 06/29/2006 null 253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 08/13/2008 null 253352 Union Pacific Railroad Co Roseville Placer 5S Facility Operator 09/22/1989 08/13/2008 253344 Union Pacific Railroad Company - Roseville Rail Yard Placer 5S Surface Impoundment Owner 09/23/1983 null 248925 UPRR Portola Railyard Plumas 5R Groundwater Cleanup Site Owner 06/17/2005 null 241718 MP 61.00 WQC Solano 5S Dredge/Fill Site Owner 06/17/2005 null 241717 MP 60.08 WQC Solano 5S Dredge/Fill Site Owner 06/17/2005 null 241189 Mojave Subdivision Kern 6B Facility Owner 02/25/2004 null 241186 Mojave River Railway Repair San Bernardino 6B Dredge/Fill Site Owner 02/09/2005 null 229467 UPRR Spill Hackamore Siding Modoc 5R Facility Owner 10/02/1998 null 220849 Dunsmuir Railyard Siskiyou 5R Service/Commercial Site, NEC None null null 219946 Dewatering,Jamboree Rd. Ext Orange 8 Facility Owner 02/09/1990 null 219626 Desalter - 17th Street Orange 8 Facility None null null 210373 UPRR Bridge 191.40 Replacement Honcut Creek Yuba 5R Dredge/Fill Site Owner 06/17/2005 null 210353 Bridge Replacement MP 656.75 Imperial 7 Dredge/Fill Site Owner 10/16/2000 null 210346 UPRR Bridge 331.84 Replacement Portola Plumas 5R Dredge/Fill Site Owner 06/17/2005 null 210345 UPRR Bridge 325.47 Replacement Portola Plumas 5R Dredge/Fill Site Owner 06/17/2005 null 203212 450' E of 3rd&Mandela, Oakland Alameda 2 Facility Owner 02/14/2002 null 203125 401 Cert-Various Locations Riverside 8 Dredge/Fill Site Owner 06/06/2000 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 547654 Lauren Mancuso Person Legally Responsible Official 08/08/2014 08/07/2024 null 541930 Steve Strickland Person Legally Responsible Official 07/18/2013 null null 531861 John Thomas Person Legally Responsible Official 02/02/2012 null null 374209 Michael Grant Person Facility Contact 06/29/2007 null null 149600 Joseph Lozano Person Employee 12/07/2005 null null 149599 Art Valenzuela Person Employee 12/07/2005 null null 107235 James Diel Person Facility Contact 06/17/2005 01/05/2006 null 107235 James Diel Person Legal representative 06/17/2005 01/05/2006 null 107235 James Diel Person Legally Responsible Official 04/08/1992 08/31/2014 null 88978 Mike Grant Person Legal representative 05/15/2005 null null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 395189 Letter 5R 5A471001002 Letter 12/23/2013 for Union Pacific Railroad Company Dunsmuir Railyard Historical NPDNONMUNIPRCS null 12/23/2013 12/23/2013 Discharger 03/04/2014 null 393963 Letter 5R 5A471001002 SEL 10/11/2013 for Union Pacific Railroad Company Dunsmuir Railyard Historical NPDNONMUNIPRCS null 10/11/2013 10/11/2013 Discharger 11/20/2013 null 392244 Enrollee - 401 Certification 5R 5A52CR00107 Enrollee RGP 60 for Union Pacific Railroad Dibble Creek Bridge Historical CERFILLEXC RGP 60 04/20/2009 04/20/2010 Discharger 04/22/2010 null 385249 401 Certification 1 1B12094WNHU WDID 1B12094WNHU Union Pacific Railroad Waterfront Lease Site Historical CERFILLEXC null 07/12/2012 07/11/2017 Discharger 05/22/2012 null 383392 WDR 5S 5A310106003 WDR R5-2012-0009 for Union Pacific Railroad Roseville, Roseville Rail Yard Active LNDISPOTH R5-2012-0009 02/02/2012 null Discharger 09/25/1992 null 382846 Enrollee - NPDES 5S 5A31NP00047 Enrollee under R5-2013-0075-001 for Union Pacific Railroad Company Roseville Yard, Colfax Railyard Historical NPDNONMUNIPRCS R5-2013-0075 12/23/2008 12/02/2014 Discharger 01/12/2012 null 380905 Individual Monitoring Requirem 1 1B93002NSON Union Pacific Railroad SMR Active SLIC R1-2011-0087 08/10/2011 null Discharger 06/29/2006 null 378068 401 Certification 5R 5A47CR00037 WQC 03/25/2011 for UPRR Dunsmuir Railyard Monitoring Equipment Historical CERFILLEXC null 03/25/2011 03/25/2013 Discharger 03/15/2011 null 375768 401 Certification 5R 5A52CR00109 WQC 09/30/2010 for UPRR Dibble Creek Bridge MP 255.10 Crosswall Historical CERFILLEXC null 09/30/2010 09/29/2015 Discharger 09/02/2010 null 368911 Enrollee - NPDES 5R 5A471001002 Enrollee R5-2013-0073 for Union Pacific Railroad Company Dunsmuir Railyard Historical NPDNONMUNIPRCS R5-2013-0073 07/13/2010 09/01/2017 Discharger 07/22/2009 null 346665 Enrollee - WDR 1 1B93002NSON Enrollee - NPDES Union Pacific Railroad Company (Former West Coast Metals) Active SLIC R1-2022-0013 08/10/2011 null Discharger 06/29/2006 null 323934 Enrollee 1 1B93002NSON Enrollee R1-2006-0048 for Union Pacific Railroad Enrollment into GWDR R1-2006-0048 Historical SLIC R1-2006-0048 04/17/2007 08/10/2011 Discharger 06/29/2006 null 311902 401 Certification 5F 5B20CR00009 WQC 9/27/2006 for Union Pacific Railroad, Berenda Creek Bridge Historical CERFILLEXC null 08/11/2006 null Discharger 09/27/2006 null 306897 Enrollee 5R 5A32NP00005 Enrollee 5-00-11950 for Union Pacific Portola Railyard Historical NPDNONMUNIPRCS 5-00-119 05/15/2006 02/05/2008 Discharger 05/15/2006 null 305022 Enrollee - 401 Certification null 6A290506002 GP # R6T-2003-004-70 Historical CERFILLEXC R6T-2003-0004 08/02/2005 05/21/2009 Discharger 06/18/2006 null 259718 Letter 6V null 6B159809005-LT981229 Historical WDR LT981229 null 12/29/1998 Discharger 12/29/1998 null 259542 Letter 5R null 5A252000001-LT990326 Historical WDR LT990326 03/26/1999 03/26/1999 Discharger 03/26/1999 null 203937 Enrollee 6V 6B150402002 6B150402002 Historical CONSTW null 06/30/2004 03/16/2006 Discharger 09/01/2005 null 194439 Enrollee 5R 5A252000001 Enrollee 11/05/1998 UPRR Hackamore Siding Cleanup Historical WDRNONMUNIPRCS 91-250 11/05/1998 03/26/1999 Discharger 09/01/2005 null 180006 Enrollee 2 2 019432001 Enrollee, Gen Permit, Grndwter Cleanup, Fuel Leaks - Union Pacific RR Historical NPDNONMUNIPRCS 01-100 05/28/2002 06/27/2005 Discharger 09/01/2005 null 164978 401 Certification 8 8 332642001 8 332642001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 164457 401 Certification 7 7A133006001 7A133006001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 153795 401 Certification 5R 5A327021N12 5A327021N12 Historical CERFILLEXC null 06/17/2005 06/17/2005 Discharger 06/17/2005 null 153767 401 Certification 6V 6B360502005 6B360502005 Historical CERFILLEXC null 06/17/2005 03/12/2007 Discharger 06/17/2005 null 153557 401 Certification 5R 5A047044N07 WQC for UPRR Wyandotte Bridge Replacement Historical CERFILLEXC null 06/17/2005 06/17/2005 Discharger 06/17/2005 null 153556 401 Certification 5R 5A047044N06 WQC for UPRR Bridges 191/191.4 Replacement Historical CERFILLEXC null 06/17/2005 06/17/2005 Discharger 06/17/2005 null 153333 401 Certification 5R 5A327021N06 5A327021N06 Historical CERFILLEXC null 06/17/2005 06/17/2005 Discharger 06/17/2005 null 141376 NPDES Permit 5S 5A310106005 NPDES 89-157 for UNION PACIFIC RAILROAD ROSE Historical NPDESWW 89-157 09/22/1989 12/08/1994 Discharger 09/22/1989 null 141271 NPDES Permit 5S 5A310106005 NPDES 94-333 for UNION PACIFIC RAILROAD ROSE Historical NPDESWW 94-333 12/09/1994 06/15/2000 Discharger 12/09/1994 null 140809 WDR 5S 5A310106003 WDR 92-197 for Union Pacific Railroad Roseville Historical WDRNONMUNIPRCS 92-197 09/25/1992 02/01/2012 Discharger 09/25/1992 null 140682 NPDES Permit 8 8 302781001 NPDES 93-043 for TUSTIN, CITY OF Historical NPDESWW 93-043 06/04/1993 07/18/2002 Discharger 06/04/1993 null 140382 WDR 5S 5A310106003 WDR 90-052 for UNION PACIFIC RAILROAD ROSE Historical WDR 90-052 02/23/1990 09/24/1992 Discharger 02/23/1990 null 139933 WDR 8 8 302626001 NPDES 91-12701 for TUSTIN, CITY OF Historical NPDESWW 91-12701 12/13/1991 null Discharger 12/13/1991 null 139761 WDR 5S 5A310106003 WDR 83-126 for UNION PACIFIC RAILROAD ROSE Historical WDR 83-126 09/23/1983 02/22/1990 Discharger 09/23/1983 null 139112 WDR 8 8 302626001 NPDES 90-005 for TUSTIN, CITY OF Historical NPDESWW 90-005 02/09/1990 null Discharger 02/09/1990 null Violations within the past calendar 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 445498 Notice of Violation null NOV 10/05/2021 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 10/05/2021 Historical 437569 Notice of Violation null NOV 04/09/2020 for UPRR Dunsmuir Railyard NPDNONMUNIPRCS 04/09/2020 Historical 437034 Notice of Violation null NOV 01/08/2020 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 01/08/2020 Historical 411701 Oral Communication null Oral Com 02/02/2017 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 02/02/2017 Historical 410441 Notice of Violation null NOV 11/30/2016 for Union Pacific Railroad Company Roseville Yard LNDISPOTH 11/30/2016 Historical 405092 Oral Communication null Oral Com 03/14/2016 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 03/14/2016 Historical 403192 Oral Communication null Oral Com 10/12/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 10/12/2015 Historical 402837 Notice of Violation null NOV 08/21/2015 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 08/21/2015 Historical 402732 Oral Communication null Verbal 09/04/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 09/04/2015 Historical 402201 Oral Communication null Verbal 07/23/2015 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 07/23/2015 Historical 394848 Oral Communication null Verbal 01/29/2014 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 01/29/2014 Historical 394509 Admin Civil Liability R5-2013-0594 ACL R5-2013-0594 for Union Pacific Railroad Company Omaha NPDNONMUNIPRCS 01/16/2014 Historical 393981 Notice of Violation null NOV 10/02/2013 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 10/02/2013 Historical 380145 Admin Civil Liability R5-2011-0585 ACL R5-2011-0585 for Union Pacific RR Company NPDNONMUNIPRCS 07/14/2011 Historical 379195 Notice of Violation null NOV 05/18/2011 for Union Pacific Railroad Company Dunsmuir Railyard NPDNONMUNIPRCS 05/18/2011 Historical 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 223428 Admin Civil Liability R5-1989-0500 ACLC R5-1989-0500 for Union Pacific Railroad, Roseville Yard DISCHLND 02/28/1989 Historical 220019 Clean-up and Abatement Order 94-706 CAO 94-706 UPRR Redding RR Yard UST 08/23/1994 Historical 219771 Admin Civil Liability R5-1995-0506 ACL R5-1995-0506 for Union Pacific Rairoad SLIC 07/25/1995 Historical 219695 Clean-up and Abatement Order 87-005 Enforcement - 6B368050N09 UNREGS 03/10/1987 Active 219664 Clean-up and Abatement Order LT960221 Rescission of CAO 94-706 SPRR Redding RR Yard UST 02/21/1996 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status