General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 647248 One Rodeo LLC. Privately-Owned Business 310-285-0947 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 274107 One Rodeo Los Angeles 4 Domestic Site NEC Owner 01/21/2026 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 647249 Annette LeBlanc Person Legally Responsible Official 09/23/2024 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 193383 Enrollee - NPDES 4 4B196000355 Enrollee - NPDES Gen Permit for GW Const & Proj Dewat for One Rodeo, LLC Active NPDNONMUNIPRCS R4-2018-0125 06/30/1997 null Discharger 09/23/2024 null 193383 Enrollee - NPDES 4 4B196000355 Enrollee - NPDES Gen Permit for GW Const & Proj Dewat for One Rodeo, LLC Active NPDNONMUNIPRCS R4-2018-0125 06/30/1997 null Discharger 10/09/2024 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. 1153518 07/09/2025 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 93.7 mg/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153520 08/14/2025 CAT1 Methylene Blue Active Substances (MBAS) Daily Maximum limit is 0.5 mg/L and reported value was 2.81 mg/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153529 11/14/2025 CAT1 Methylene Blue Active Substances (MBAS) Daily Maximum limit is 0.5 mg/L and reported value was 8.93 mg/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153530 12/31/2025 CAT2 Zinc, Total Recoverable Monthly Average limit is 52 ug/L and reported value was 65.6 ug/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153517 06/09/2025 CAT1 Settleable Solids Daily Maximum limit is 0.3 ml/L and reported value was 0.8 ml/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153527 07/31/2025 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 93.7 mg/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153519 07/09/2025 CAT1 Methylene Blue Active Substances (MBAS) Daily Maximum limit is 0.5 mg/L and reported value was 1.09 mg/L. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153569 05/31/2025 OEV Turbidity Monthly Average limit is 50 NTU and reported value was 59.7 NTU. Violation N Report One Rodeo 193383 R4-2018-0125 N 1153525 06/30/2025 CAT1 Settleable Solids Monthly Average limit is 0.1 ml/L and reported value was 0.8 ml/L. Violation null Report One Rodeo 193383 R4-2018-0125 N 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