General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 561176 Thomas Lo null 1 Civic Center Plaza Irvine, CA 92623 949-724-6315 TLo@cityofirvine.org 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 509362 Irvine City Organization Legally Responsible Official 12/15/2016 null City 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 456464 Irvine City 401 Certification CERFILLEXC 08/08/2024 Active 408150 Irvine City 401 Certification CERFILLEXC 01/24/2017 Historical 388152 Irvine City 401 Certification CERFILLEXC 05/02/2012 Historical 386601 Irvine City 401 Certification CERFILLEXC 09/06/2011 Historical 385911 Irvine City 401 Certification CERFILLEXC 12/29/2004 Historical 385472 Irvine City 401 Certification CERFILLEXC 12/29/2004 Historical 380926 Irvine City 401 Certification CERFILLEXC 04/01/2009 Historical 342252 Irvine City Enrollee NPDNONMUNIPRCS 01/11/2008 Historical 318643 Irvine City Enrollee NPDNONMUNIPRCS 05/31/2006 Historical 318638 Irvine City Enrollee NPDNONMUNIPRCS 05/31/2006 Historical 260411 Irvine City Letter WDR null Historical 260407 Irvine City Letter WDR null Historical 260398 Irvine City Letter WDR null Historical 260386 Irvine City Letter WDR null Historical 260341 Irvine City Letter WDR null Historical 260293 Irvine City Letter NPDESWW null Historical 260212 Irvine City Letter WDR null Historical 173489 Irvine City Enrollee - NPDES NPDNONMUNIPRCS 11/18/2005 Active 148558 Irvine City Resolution PLNTMDL 04/09/1999 Active 140066 Irvine City WDR NPDESWW 10/14/1988 Historical 138962 Irvine City NPDES Permit NPDESWW 03/10/1989 Historical 131331 Irvine City NPDES Permit MNSTW1 01/18/2002 Historical