General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website S648074 Rolling Hills Estates City City Agency 4045 North Palos Verdes Drive Rolling Hills Estates, CA 90274 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date S857044 Phase I MS4 Los Angeles 4 Facility Discharger 12/13/2001 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 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 S564059 Phase I MS4 4 null Co-Permittee Phase I for Order No - R4-2021-0105 Active MNSTW1 R4-2021-0105 09/11/2021 null Co-permittee 09/11/2021 null S488615 Phase I MS4 4 4 19M1000151 Co-Permittee Phase I for Order No - R4-2012-0175 Active MNSTW1 R4-2021-0105 12/13/2001 null Discharger 12/13/2001 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. S888253 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at DOM-OF-004 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888252 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at DOM-OF-004 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888251 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at DOM-OF-004 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888250 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at DOM-OF-004 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888249 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at DOM-OF-004 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888248 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at P-77 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888247 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at P-77 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888246 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at P-77 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888245 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at P-77 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y S888244 01/10/2024 SW - Effluent Machado Lake Toxics TMDL Effluent Violation at P-77 Violation N Report Phase I MS4 S488615 R4-2021-0105 Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status S452665 Expedited Payment Letter R4-2024-0018 4 19M1000151 UNKNOWN 01/10/2024 Active S452667 Expedited Payment Letter R4-2024-0017 4 19M1000151 UNKNOWN 01/10/2024 Active S452685 Expedited Payment Letter R4-2024-0012 4 19M1000151 UNKNOWN 01/10/2024 Active S452662 Expedited Payment Letter R4-2024-0020 4 19M1000151 UNKNOWN 01/10/2024 Active S452678 Expedited Payment Letter R4-2024-0014 4 19M1000151 UNKNOWN 01/10/2024 Active S453123 13383 Order null 4 19M1000151 UNKNOWN 08/18/2017 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status