General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 25165 Los Angeles Cnty DPW County Agency 900 South Fremont Avenue Alhambra, CA 91803 714-427-2882(+) robert.sandberg@clarkconstruction.com(+) Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 895002 RPOP01-39, Agua Amarga Canyon, Locklenna Emergency Break Los Angeles 4 Dredge/Fill Site Owner 05/23/2024 null 888981 The Old Road Over Castaic Creek Los Angeles 4 Dredge/Fill Site Owner 06/22/2023 null 878431 Dominguez Channel Los Angeles 4 Dredge/Fill Site Owner 12/29/2021 null 874063 Mulholland Highway at Mile Marker 14.74 Los Angeles 4 Dredge/Fill Site Owner 05/13/2021 null 869957 Adventure Park Stormwater Capture Project Los Angeles 4 Dredge/Fill Site Owner 10/27/2020 null 869955 Lake Hughes Road, Mile Marker 2.47 Project Los Angeles 4 Dredge/Fill Site Owner 10/27/2020 null 866510 Roosevelt Roadway Reconstruction 130th East to 140th East Project Los Angeles 6B Dredge/Fill Site Owner 05/01/2020 null 860807 Laguna Basin Slope Repair Los Angeles 4 Dredge/Fill Site Owner 08/29/2019 null 860735 Chesebro Road over Chesebro Canyon Creek Los Angeles 4 Dredge/Fill Site Owner 08/27/2019 null 860689 35000 PCH Los Angeles 4 Dredge/Fill Site Owner 08/26/2019 null 860658 Little Tujunga Canyon Road Los Angeles 4 Dredge/Fill Site Owner 08/23/2019 null 859646 Dockweiler State Beach Los Angeles 4 Dredge/Fill Site Owner 07/09/2019 null 859210 San Dimas Wash Restoration Los Angeles 4 Dredge/Fill Site Owner 06/20/2019 null 858639 Camps Kilpatrick Packaged WWTP Los Angeles 4 Prison Owner and Operator 05/30/2019 null 855904 Big Pine Canal Repair Inyo 6B Dredge/Fill Site Owner 02/06/2019 null 855244 Project 450 Alamitos bay Pump Station Discharge Line Replacement Los Angeles 4 Dredge/Fill Site Owner 01/11/2019 null 852333 Rubio Wash Channel Improvements Los Angeles 4 Dredge/Fill Site Owner 11/02/2018 null 852016 Dockweiler Beach Ocean Outlet Los Angeles 4 Dredge/Fill Site Owner 10/25/2018 null 852014 Project 513 Line A Ocean Outlet Modifications Los Angeles 4 Dredge/Fill Site Owner 10/25/2018 null 851235 Vasquez Canyon Road Bridge Los Angeles 4 Dredge/Fill Site Owner 09/25/2018 null 851234 Slauson Avenue over San Gabriel River Los Angeles 4 Dredge/Fill Site Owner 09/25/2018 null 851232 Soft-Bottom Channel Reach 121 San Francisquito Creek Los Angeles 4 Dredge/Fill Site Owner 09/25/2018 null 848591 Los Angeles County Public Safety Dock Los Angeles 4 Dredge/Fill Site Owner 06/27/2018 null 846446 Bridge 907-Pallet Creed Road over Evans Wash Los Angeles 6B Dredge/Fill Site Owner 04/13/2018 null 843215 East Trail at Kagel Canyon Creek Los Angeles 4 Dredge/Fill Site Owner 12/27/2017 null 838866 Soledad Canyon Road MM 18.63 Los Angeles 4 Dredge/Fill Site Owner 08/15/2017 null 838862 Chadwick Trail in Palos Verdes Los Angeles 4 Dredge/Fill Site Owner 08/15/2017 null 834720 Station Fire Debris Los Angeles 4 Waste Pile Owner and Operator 04/25/2017 null 833926 Little Tujunga Canyon Road near MM16.30 Los Angeles 4 Dredge/Fill Site Owner 03/24/2017 null 832795 Placerita Canyon Road at Mile Marker 4.97 Los Angeles 4 Dredge/Fill Site Owner 02/14/2017 null 832201 Castaic\Lake Hughes Los Angeles 4 Dredge/Fill Site Owner 01/30/2017 null 832199 Castaic Lake Los Angeles 4 Dredge/Fill Site Owner 01/30/2017 null 831457 Sand Canyon Road Los Angeles 4 Dredge/Fill Site Owner 01/05/2017 null 829844 Lake Hughes Los Angeles 4 Dredge/Fill Site Owner 11/17/2016 null 828883 City of Los Angeles Bridge 1209 on Lake Hughes Road Los Angeles 4 Dredge/Fill Site Owner 10/07/2016 null 823310 Elizabeth Lake Road at Mile Marker 16.09 Los Angeles 4 Dredge/Fill Site Owner 03/28/2016 null 822625 Elizabeth Lake Road at Mile Markers 12.07 and 11.04 Los Angeles 6B Dredge/Fill Site Owner 03/04/2016 null 818519 Del Mar Avenue Over Alhambra Wash Los Angeles 4 Dredge/Fill Site Owner 10/01/2015 null 817897 Los Angeles County Debris Basin (172 Basins) Los Angeles 4 Dredge/Fill Site Owner 09/08/2015 null 817266 Flume Canyon Road at Swarthout Creek Emergency Repair Los Angeles 6B Dredge/Fill Site Owner 08/11/2015 null 816558 Kanan Road Over Sierra Creek Los Angeles 4 Dredge/Fill Site Owner 07/13/2015 null 814772 Emergency Colby Fire Debris Basin Los Angeles 4 Dredge/Fill Site Owner 04/24/2015 null 812385 30th Street West From Avenue A to Avenue D Los Angeles 6B Dredge/Fill Site Owner 01/21/2015 null 811310 Bouquet Canyon Los Angeles 4 Dredge/Fill Site Owner 12/09/2014 null 809240 Santa Monica Canyon Channel Rubber Dam and Low Flow Diversion Los Angeles 4 Dredge/Fill Site Owner 09/18/2014 null 808411 Ballona Creek and Centinela Creek Los Angeles County Los Angeles 4 Waterway/Shoreline Site Operator 08/12/2014 null 808349 Tuna Canyon Rd Los Angeles 4 Dredge/Fill Site None null null 808344 Saddle Peak Rd. Los Angeles 4 Dredge/Fill Site None null null 808335 Old Topanga Rd Los Angeles 4 Dredge/Fill Site None null null 808334 Encina Rd Los Angeles 4 Dredge/Fill Site None null null 808333 Mulholland Hwy Los Angeles 4 Dredge/Fill Site None null null 808330 Schueren Rd Los Angeles 4 Dredge/Fill Site None null null 808328 Wild Rose Dr. Los Angeles 4 Dredge/Fill Site None null null 808326 Piuma Rd Los Angeles 4 Dredge/Fill Site None null null 808210 Kanan Rd Los Angeles 4 Dredge/Fill Site Owner 08/05/2014 null 808124 Big Dalton Debris Basin Los Angeles 4 Dredge/Fill Site Owner 08/01/2014 null 805978 South Portal Canyon Culvert Los Angeles 4 Dredge/Fill Site Owner 05/08/2014 null 805973 Camp Vernon Kilpatrick Replacement Los Angeles 4 Dredge/Fill Site Owner 05/08/2014 null 805969 Elizabeth Lake Rd. Culvert Maintenance MM 18.13, 18.36, 18.53, 18.66 Los Angeles 4 Dredge/Fill Site Owner 05/08/2014 null 805966 Hacienda Channel Access Ramp Los Angeles 4 Dredge/Fill Site Owner 05/08/2014 null 805166 Bradbury Channel Invert Access Ramp Los Angeles 4 Dredge/Fill Site Owner 04/02/2014 null 802787 Whites Canyon Channel Invert Ramp Los Angeles 4 Dredge/Fill Site Owner 01/15/2014 null 802786 Mint Canyon Channel Invert Ramp Los Angeles 4 Dredge/Fill Site Owner 01/15/2014 null 802735 Oxford Retention Basin Multi-Use Enhancement and Restoration Los Angeles 4 Dredge/Fill Site Owner 01/14/2014 null 801616 Sullivan Cyn Creek Upstream of Sullivan Cyn Debris Basin Los Angeles 4 Dredge/Fill Site Owner 12/12/2013 null 800049 Malibu Lagoon Beach Project Los Angeles 4 Dredge/Fill Site Owner 10/22/2013 null 798611 Santa Anita Dam Riser Modification and sediment removal Los Angeles 4 Dredge/Fill Site Owner 09/10/2013 null 796957 Topanga Creek Slope Repair Los Angeles 4 Dredge/Fill Site Owner 07/18/2013 null 796878 Little Tujunga Canyon Road Los Angeles 4 Dredge/Fill Site Owner 07/17/2013 null 796874 Fitch Avenus Bridge Over Mint Canyon Wash Los Angeles 4 Dredge/Fill Site Owner 07/17/2013 null 796415 Millard Canyon Creek Los Angeles 4 Dredge/Fill Site Owner 07/02/2013 null 796279 Sunland Bryant Canyon Los Angeles 4 Dredge/Fill Site Owner 06/28/2013 null 796266 Will Rogers State Beach Coastline Improvement Los Angeles 4 Dredge/Fill Site None null null 796196 Los Angeles River Headwaters Project, Los Angeles River Los Angeles 4 Dredge/Fill Site Owner 06/26/2013 null 796041 Marina DEL Rey Boat House Refurbishment Project, Los Angeles Cnty Los Angeles 4 Dredge/Fill Site Owner 06/24/2013 null 787039 Big Tujunga Seismic Rehabilitation and Spillway Modification Project Los Angeles 4 Dredge/Fill Site Owner 10/08/2012 null 786108 Templin Highway at Mile Marker 3.90 Los Angeles 4 Dredge/Fill Site Owner 09/11/2012 null 786103 Little Dalton Debris Dam Inclined Outlet Pipe Project Los Angeles 4 Dredge/Fill Site Owner 09/11/2012 null 785855 Hall of Justice Los Angeles 4 Domestic Site NEC Owner and Operator 09/04/2012 null 785633 Unnamed Wash Tributary to the Santa Clara River Infrastructure Los Angeles 4 Dredge/Fill Site Owner 08/28/2012 null 785500 Big Tujunga Creek Debris Removal Los Angeles 4 Dredge/Fill Site Owner 08/23/2012 null 774599 226th Street Bridge Removal Los Angeles 4 Dredge/Fill Site Owner 12/22/2011 null 771042 Topanga Creek Slope Santa Barbara 4 Dredge/Fill Site Owner 09/15/2011 null 771028 Gridley Private Drain 190 Los Angeles 4 Dredge/Fill Site Owner 09/14/2011 null 771024 Hollypark Drain Channel Invert Slab Replacement Los Angeles 4 Dredge/Fill Site Owner 09/14/2011 null 770586 Access Bridge Over Browns Gulch at San Gabriel Dam Los Angeles 4 Dredge/Fill Site Owner 09/01/2011 null 769139 LA River Low Flow Channel Invert Inspection Using Aqua Dam Los Angeles 4 Dredge/Fill Site Owner 07/28/2011 null 769055 Foothill Boulevard over San Gabriel River Los Angeles 4 Dredge/Fill Site Owner 07/27/2011 null 769006 Woodley Ave Drain Improvement Los Angeles 4 Dredge/Fill Site Owner 07/27/2011 null 768792 Porretta Channel - PD 246, PD 266, PD 313 Los Angeles 4 Dredge/Fill Site Owner 07/21/2011 null 768787 Post Station Fire Debris Basin and Inlet Storage Enlargement Los Angeles 4 Dredge/Fill Site Owner 07/21/2011 null 768783 Coyote Creek Channel Repair Los Angeles 4 Dredge/Fill Site None null null 768724 Santa Clara River South Fork Private Drain Nos 725 & 1300 Los Angeles 4 Dredge/Fill Site Owner 07/20/2011 null 767957 Vasquez Rocks Natural Area Park Interpretive Center (septic tank) Los Angeles 4 Educational Facilities Owner 06/28/2011 04/14/2013 767297 San Martinez-Chiquito Canyon Los Angeles 4 Dredge/Fill Site Owner and Operator 12/17/2009 null 759620 Acton/Agua Dulce Library (septic tank) Los Angeles 4 Educational Facilities Owner 07/06/2007 null 758335 Fire Station #69 Los Angeles 4 Service/Commercial Site, NEC Owner 10/13/2011 null 748262 Sierra Highway SR 14 to Pearblossom Los Angeles 6B Dredge/Fill Site Owner 01/11/2010 null 644483 Antelope Valley Access Rd and Well 39-1 Los Angeles 6B Facility None null null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 643241 Andrew Ngumba Person Legally Responsible Official 05/23/2024 null null 640179 Andrew Ross Person Legally Responsible Official 06/22/2023 null null 630348 Long Thang Person Legally Responsible Official 02/06/2024 null null 630059 Mark Lombos Person Legally Responsible Official 12/29/2021 null null 619573 Paul Alva Person Legally Responsible Official 10/27/2020 null null 606509 Sarah Lee Person Data Submitter 02/11/2020 null null 599803 Robert Grindle Person Legally Responsible Official 07/02/2019 null null 599203 Steven Sheridan Person Legally Responsible Official 06/20/2019 null null 598325 Tom Afschar Person Legally Responsible Official 05/30/2019 null null 580018 Logan Frame Person Legally Responsible Official 06/27/2018 null null 562254 Ebigalle Voigt Person Legally Responsible Official 01/30/2017 null null 561805 Lance Grindle Person Legally Responsible Official 01/05/2017 null null 552507 Sarah Scott Person Legally Responsible Official 08/10/2015 null null 552507 Sarah Scott Person Employee 08/11/2015 null null 552110 Ed Dingman Person Legally Responsible Official 07/13/2015 null null 548072 Sree Kumar Person Legally Responsible Official 12/09/2014 null null 548072 Sree Kumar Person Employee 08/12/2014 null null 542757 Stephanie Hsiao Person Legally Responsible Official 10/01/2015 null null 542251 Gail Farber Person Legally Responsible Official 08/01/2013 null null 541320 Edward Andrews Person Legally Responsible Official 06/24/2013 null null 541291 Abigail Flores Person Employee 06/24/2013 null null 539529 Los Angeles Cnty Dept of Parks & Rec Regional Facilities Organization Division Of (Passive) 04/15/2013 null County Agency 537432 Zohert Kabiri Person Legally Responsible Official 10/24/2012 null null 536702 Ramil Parial Person Employee 09/11/2012 null null 536702 Ramil Parial Person Legally Responsible Official 09/10/2012 null null 536495 Reyna Soriano Person Legally Responsible Official 08/28/2012 null null 531154 Luis Ramirez Person Legally Responsible Official 01/10/2012 null null 529021 MIke Montgomery Person Legally Responsible Official 09/15/2011 null null 529015 Hector Bordas Person Legally Responsible Official 09/14/2011 null null 528774 Keith Lilley Person Legally Responsible Official 09/01/2011 null null 528156 Gary Hildebrand Person Legally Responsible Official 07/28/2011 null null 528118 Janea Russell Person Legally Responsible Official 07/27/2011 null null 528104 Dale Sakamoto Person Legally Responsible Official 07/27/2011 null null 528093 Paul Maselbas Person Legally Responsible Official 07/17/2013 null null 528016 Shari Afshari Person Legally Responsible Official 07/21/2011 null null 528010 Paul Akamnonu Person Legally Responsible Official 09/14/2011 null null 528001 Albert Anidi Person Legally Responsible Official 07/20/2011 null null 527565 Mohamed Sultan Person Legally Responsible Official 06/28/2011 null null 527246 Belinda Kwan Person Legally Responsible Official 12/17/2009 null null 525083 Rudy Lee Person Legally Responsible Official 12/12/2013 null null 488571 Los Angeles Cnty DPW Construction Div Organization Division Of 07/17/2013 null County Agency 379407 Katherine Rubin Person Legally Responsible Official 02/06/2019 null null 122379 Oscar Enriquez Person Employee 02/20/2024 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 443292 Enrollee - WDR 4 4WQC40121013 Enrollee - WDR for Los Angeles Cnty DPW Historical CERFILLEXC 2004-0004-DWQ 09/09/2021 04/18/2024 Discharger 05/13/2021 null 437849 Enrollee - WDR 6V 6B192005001 Enrollee - WDR for Los Angeles Cnty DPW Historical CERFILLEXC R6T-2003-0004 10/01/2020 08/03/2022 Discharger 05/01/2020 null 433833 Enrollee - 401 Certification 4 4WQC40119004 Enrollee under for Los Angeles Cnty DPW Active CERFILLEXC 2018-0029-EXEC 12/27/2018 null Discharger 08/27/2019 null 433793 Enrollee - 401 Certification 4 4WQC40118127 Enrollee - 401 Certification for Los Angeles Cnty DPW Historical CERFILLEXC 2018-0029-EXEC 12/21/2018 08/28/2019 Discharger 08/26/2019 null 433767 401 Certification 4 4WQC40119065 401 Cert 19-065 for Los Angeles Cnty DPW Active CERFILLEXC 19-065 01/11/2023 null Discharger 08/23/2019 null 430870 Enrollee - WDR 4 4B198202003 Enrollee - Gen WDR for Advanced Onsite Wastewater Treatment Systems for Los Angeles Cnty DPW Active WDRMUNIOWTS R4-2019-0024 04/30/2019 null Discharger 05/30/2019 null 428644 401 Certification 6V 6B141901001 401 Cert R6V-2019-0266 for Los Angeles Cnty DPW Historical CERFILLEXC R6V-2019-0266 09/25/2019 04/01/2020 Discharger 02/06/2019 null 428248 401 Certification 4 4WQC40118124 401 Cert for Los Angeles Cnty DPW Active CERFILLEXC null 10/24/2021 null Discharger 01/11/2019 null 426109 401 Certification 4 4wqc40118114 401 Cert for Los Angeles Cnty DPW Historical CERFILLEXC null 11/20/2019 06/20/2023 Discharger 11/02/2018 null 425891 401 Certification 4 4WQC40104113 WQC 08/20/2004 for Los Angeles Cnty DPW Historical CERFILLEXC null 08/20/2004 08/20/2009 Discharger 10/25/2018 null 425889 401 Certification 4 4WQC40118109 401 Cert for Los Angeles Cnty DPW Historical CERFILLEXC null 05/07/2019 01/09/2024 Discharger 10/25/2018 null 425394 401 Certification 4 4WQC40118095 401 Cert for Los Angeles Cnty DPW Historical CERFILLEXC null 01/14/2019 12/24/2019 Discharger 09/25/2018 null 422329 401 Certification 4 4WQC40118064 401 Cert for Los Angeles Cnty DPW Active CERFILLEXC null 12/07/2018 null Discharger 06/27/2018 null 420862 Enrollee - 401 Certification 6V 6B191803001 Enrollee - 401 Certification for Los Angeles Cnty DPW Historical CERFILLEXC R6T-2003-0004 10/10/2018 01/08/2023 Discharger 04/13/2018 null 418384 401 Certification 4 4WQC40117164 401 Cert for Los Angeles Cnty DPW Historical CERFILLEXC null 01/14/2019 03/15/2023 Discharger 12/27/2017 null 415801 Enrollee - 401 Certification 4 4wqc40117081 Enrollee under for Los Angeles Cnty DPW Historical CERFILLEXC RGP 63 07/05/2017 02/10/2020 Discharger 08/15/2017 null 415795 Enrollee - 401 Certification 4 4wqc40117036 Enrollee - 401 Certification for Los Angeles Cnty DPW Historical CERFILLEXC RGP 63 04/28/2017 12/31/2018 Discharger 08/15/2017 null 412929 Enrollee - Waiver 4 4B199900001 Enrollee - Waiver under Emergency Conditional Temp. 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Historical WDRMUNIOWTS 01-031 04/15/2013 12/19/2015 Discharger 06/28/2011 04/14/2013 379616 401 Certification 4 null WQC 12/17/2009 for Los Angeles Cnty, San Martinez/Chiquito Canyon Historical CERFILLEXC null 12/17/2009 12/17/2014 Discharger 12/17/2009 null 376982 Enrollee - WDR 4 4A197000094 Enrollee - Waiver 2012-0032 for LA Cnty DPW Historical WDRMUNIOWTS 01-031 07/06/2007 07/02/2015 Discharger 07/06/2007 11/18/2013 376445 Enrollee - WDR 4 4B197000141 Enrollee - Waiver 2012-0032 for Los Angeles County DPW Historical WDRMUNIOWTS 01-031 10/11/2011 07/02/2015 Discharger 11/02/2010 null 372576 Enrollee - 401 Certification 6V 6B191001001 Sierra Highway SR 14 to Pearblossom HWY-GP # 2004-0004-DWQ-08 Historical CERFILLEXC 2004-0004-DWQ 05/18/2010 05/18/2012 Discharger 01/11/2010 null 317510 Enrollee - 401 Certification 6V 6B190602002 Antelope Valley Access Rd and Well GP 2004-0004-01 Historical CERFILLEXC 2004-0004-DWQ 07/05/2006 04/14/2008 Discharger 06/18/2007 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 393950 Notice of Violation NOV NOV 11/12/2013 for Los Angeles Cnty DPW WDR 11/12/2013 Active 387423 Notice of Violation NOV NOV 07/25/2012 for Los Angeles Cnty DPW WDR 07/25/2012 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 447611 Oscar Enriquez Enrollee - NPDES NPDNONMUNIPRCS 07/30/2022 Active 443597 Oscar Enriquez Enrollee - NPDES NPDNONMUNIPRCS 09/21/2021 Active 443596 Oscar Enriquez Enrollee - NPDES NPDNONMUNIPRCS 09/21/2021 Active 423423 Katherine Rubin Enrollee - NPDES NPDNONMUNIPRCS 10/02/2018 Active 397661 Sree Kumar Enrollee - NPDES NPDNONMUNIPRCS 07/01/2016 Active 397661 Sree Kumar Enrollee - NPDES NPDNONMUNIPRCS 07/01/2016 Active 387456 Los Angeles Cnty DPW Construction Div Enrollee - NPDES NPDNONMUNIPRCS 11/06/2012 Historical 380566 Los Angeles Cnty DPW Construction Div 401 Certification CERFILLEXC 06/02/2009 Historical 379976 Los Angeles Cnty Dept of Parks & Rec Regional Facilities Enrollee - WDR WDRMUNIOWTS 04/15/2013 Historical 378196 Los Angeles Cnty DPW Construction Div Enrollee NPDNONMUNIPRCS 06/22/2011 Historical 378194 Los Angeles Cnty DPW Construction Div Enrollee NPDNONMUNIPRCS 06/22/2011 Historical 372576 Abigail Flores Enrollee - 401 Certification CERFILLEXC 05/18/2010 Historical 333443 Los Angeles Cnty DPW Construction Div Enrollee NPDNONMUNIPRCS 10/26/2007 Historical