General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 624056 Grand Hills Development, LLC Privately-Owned Business 10825 7th Street Unit D Rancho Cucamonga, CA 91730 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 887518 Tentative Tract Map No. 53430 Los Angeles 4 Dredge/Fill Site Owner 04/05/2023 null 873950 Tentative Tract Map No. 53430 Los Angeles 4 Dredge/Fill Site Owner 05/04/2021 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 624057 Qian Han Chen Person Legally Responsible Official 05/04/2021 null null 547041 Richard Beck Person Legally Responsible Official 04/05/2023 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 452164 401 Certification 4 4WQC40123077 401 Cert 4WQC40123077 for Grand Hills Development, LLC Active CERFILLEXC 4WQC40123077 08/14/2023 null Discharger 04/05/2023 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. 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