General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 633160 Los Angeles County Metropolitan Transportation Authority County Agency 1 Gateway Plaza Los Angeles, CA 90012-2952 213-418-3370 kefalast@metro.net Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 896211 LA Metro Southeast Gateway Line Geotechnical Investigation: Rio Hondo Los Angeles 4 Dredge/Fill Site Owner 08/27/2024 null 895934 LACMTA I-5 HOV CAPACITY ENHANCEMENT PROJECT #2 Los Angeles 4 Development Site, NEC Owner 08/06/2024 null 881731 Westside Subway Purple Line Extension Section 2 Crosspassage Dewatering sites Los Angeles 4 Service/Commercial Site, NEC Owner 06/13/2022 null 881387 UCLA Station Los Angeles 4 Development Site, NEC Owner 05/26/2022 null 881248 Veteran Affairs (VA) Station Los Angeles 4 Development Site, NEC Owner 05/17/2022 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 294938 Tom Kefalas Person Legally Responsible Official 05/17/2022 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 458197 Enrollee - 401 Certification 4 4WQC40124107 Enrollee - 401 Certification under USACE NWP Certification for Los Angeles County Metropolitan Transportation Authority Active CERFILLEXC NWP-2012 12/03/2024 null Discharger 08/27/2024 null 457960 Enrollee - NPDES 4 4A198906014 Enrollee - NPDES for Los Angeles County Metropolitan Transportation Authority Historical NPDNONMUNIPRCS R4-2023-0429 08/14/2024 02/21/2025 Discharger 08/06/2024 null 448115 Enrollee - NPDES 4 448115 Enrollee - NPDES under NPDES Gen Permit for GW Const & Proj Dewat for Los Angeles County Metropolitan Transportation Authority Historical NPDNONMUNIPRCS R4-2018-0125 07/15/2022 02/21/2025 Discharger 06/13/2022 null 447822 Enrollee - NPDES 4 4B198903131 NPDES R4-2018-0125 for Los Angeles County Metropolitan Transportation Authority Active NPDMUNILRG R4-2018-0125 07/15/2022 null Discharger 05/26/2022 null 447733 Enrollee - NPDES 4 4B198903129 Enrollee - NPDES under NPDES Gen Permit for GW Const & Proj Dewat for Los Angeles County Metropolitan Transportation Authority Active NPDMUNIOTH R4-2018-0125 07/28/2022 null Discharger 05/17/2022 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. 1141920 10/16/2024 Order Conditions Prohibition of bypass on 10/16/2024 and Permittee did not submit a report of unanticipated discharge. Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1141919 11/06/2024 CAT2 Tetrachloroethene Daily Maximum limit is 5.0 ug/L and reported value was 5.9 ug/L. Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1141918 10/16/2024 Failure to Notify The Permittee failed to notify RB staff of the bypass from the treatment system on 10/16/24 and also failed to notify of PCE exceedance on 11/13/2024. Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1141917 03/14/2025 Late Report 4Q24 report submitted 28 days late Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1141766 03/14/2025 Late Report 4Q24 SMR due 2/14/25, received 3/14/23 - 28 days late. Violation N Report UCLA Station 447822 R4-2018-0125 N 1141679 02/14/2025 Late Report submitted 3/6/25, due 2/14/25, 18 days late Violation N Report Westside Subway Purple Line Extension Section 2 Crosspassage Dewatering sites 448115 R4-2018-0125 N 1141677 08/14/2024 Late Report submitted 3/4/25, due 8/14/24, 174 days late Violation N Report Westside Subway Purple Line Extension Section 2 Crosspassage Dewatering sites 448115 R4-2018-0125 N 1140004 02/12/2025 Late Report Late 3Q24 SMR, due 11/14/24, received 2/12/25, 90 days late. Violation N Report UCLA Station 447822 R4-2018-0125 N 1136799 11/25/2024 Late Report 3Q24 report submitted 11 days late Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1132015 05/31/2024 Deficient Monitoring 2Q24 report missing residual chlorine, required monthly Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1132012 09/06/2024 Late Report 2Q24 submitted 23 days late Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N 1131976 06/05/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 56 mg/L. Violation N Report UCLA Station 447822 R4-2018-0125 N 1128647 06/14/2024 Late Report 1Q24 report submitted 30 days late Violation N Report Veteran Affairs (VA) Station 447733 R4-2018-0125 N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 460618 Expedited Payment Letter R4-2025-0145 EPL R4-2025-0145 for Los Angeles County Metropolitan Transportation Authority NPDNONMUNIPRCS 04/03/2025 Active 459322 Admin Civil Liability R4-2024-0384 ACL R4-2024-0384 for Los Angeles County Metropolitan Transportation Authority NPDMUNIOTH 02/20/2025 Historical 457915 Admin Civil Liability R4-2024-0314 ACL R4-2024-0314 for Los Angeles County Metropolitan Transportation Authority NPDMUNIOTH 10/09/2024 Historical 457383 Admin Civil Liability R4-2024-0195 ACL R4-2024-0195 for Los Angeles County Metropolitan Transportation Authority NPDNONMUNIPRCS 09/25/2024 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status