General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 527635 Robert Koplin null 915 Wilshire Boulevard Los Angeles, CA 90017 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 47607 US Army Corps of Engineers Los Angeles Organization Legally Responsible Official 09/15/2009 null Federal Agency 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 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 Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 456482 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 09/05/2024 Active 452749 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 10/18/2023 Active 449233 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 09/29/2022 Active 437610 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 06/12/2020 Historical 437256 US Army Corps of Engineers Los Angeles Enrollee - 401 Certification CERFILLEXC 03/26/2020 Historical 430278 US Army Corps of Engineers Los Angeles 401 Certification CERDREDGE 11/15/2019 Active 430007 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 08/14/2019 Historical 425441 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 11/08/2018 Historical 419743 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 06/14/2018 Active 412353 US Army Corps of Engineers Los Angeles 401 Certification CERDREDGE 07/17/2012 Historical 406846 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 07/26/2016 Historical 405959 US Army Corps of Engineers Los Angeles Enrollee - NPDES NPDNONMUNIPRCS 11/14/2016 Historical 403087 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 07/20/2017 Active 400016 US Army Corps of Engineers Los Angeles 401 Certification CERREST 02/17/2016 Active 399164 US Army Corps of Engineers Los Angeles Enrollee - 401 Certification CERFILLEXC 09/19/2014 Historical 395644 US Army Corps of Engineers Los Angeles 401 Certification CERDREDGE 04/30/2014 Historical 394568 US Army Corps of Engineers Los Angeles 401 Certification CERREST 04/02/2014 Historical 393834 US Army Corps of Engineers Los Angeles Letter ENF13267 02/04/2013 Historical 393587 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 11/25/2013 Historical 392558 US Army Corps of Engineers Los Angeles 13267 Letter (Non-Enforcement) CERFILLEXC 03/09/2011 Active 391745 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 04/15/2013 Historical 386639 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 10/04/2006 Historical 386549 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 01/19/2011 Historical 386291 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 10/13/2009 Historical 384319 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 05/25/2012 Historical 382139 US Army Corps of Engineers Los Angeles WDR CERDREDGE 10/28/2011 Historical 381382 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 09/16/2010 Historical 381368 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 09/28/2010 Historical 380832 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 12/29/2009 Historical 380074 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 09/15/2009 Historical 377611 US Army Corps of Engineers Los Angeles 401 Certification CERDREDGE 03/03/2011 Historical 376479 US Army Corps of Engineers Los Angeles Enrollee NPDNONMUNIPRCS 09/23/2010 Historical 373556 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 12/29/2009 Historical 368206 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 07/03/2009 Historical 359934 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 02/27/2009 Historical 304986 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 03/02/2006 Historical 302369 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 03/01/2006 Historical 260295 US Army Corps of Engineers Los Angeles Letter NPDESWW null Historical 260134 US Army Corps of Engineers Los Angeles Letter NPDESWW null Historical 214317 US Army Corps of Engineers Los Angeles Enrollee - 401 Certification CERFILLEXC 08/10/2004 Historical 213842 US Army Corps of Engineers Los Angeles Enrollee - 401 Certification CERDREDGE 12/15/1970 Historical 193761 US Army Corps of Engineers Los Angeles Enrollee LNDISP 06/09/2003 Historical 165651 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC null Historical 163709 US Army Corps of Engineers Los Angeles 401 Certification CERFILLEXC 03/23/2000 Historical 148499 US Army Corps of Engineers Los Angeles WDR CERFILLEXC 10/26/2001 Active 147050 US Army Corps of Engineers Los Angeles WDR WDR 12/15/1970 Historical 144399 US Army Corps of Engineers Los Angeles WDR CERDREDGE 08/20/1999 Historical 144357 US Army Corps of Engineers Los Angeles WDR WDR 11/20/1998 Historical 143869 US Army Corps of Engineers Los Angeles WDR CERDREDGE 09/05/1986 Active 143531 US Army Corps of Engineers Los Angeles WDR WDR 10/10/1975 Historical 142951 US Army Corps of Engineers Los Angeles WDR WDR 07/11/1980 Historical 142765 US Army Corps of Engineers Los Angeles WDR WDR 06/16/1986 Historical 142479 US Army Corps of Engineers Los Angeles WDR WDR 09/08/1994 Historical 139049 US Army Corps of Engineers Los Angeles NPDES Permit NPDESWW 09/16/1983 Historical 138655 US Army Corps of Engineers Los Angeles WDR NPDESWW 11/10/1988 Historical 135961 US Army Corps of Engineers Los Angeles WDR WDR 08/25/2000 Historical 131607 US Army Corps of Engineers Los Angeles WDR CERDREDGE 01/17/2003 Historical