General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 538008 Atherton 124 Partners, LP Privately-Owned Business 20 Enterprise 320 Aliso Viejo, CA 92656 949-472-0800 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 789098 Atherton Project, unincorporated area of Riverside Cty Riverside 9 Dredge/Fill Site Owner 12/17/2012 06/10/2019 Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 84420 Steve Ludwig Person Legally Responsible Official 12/17/2012 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 388473 401 Certification 9 9 000002541 401 Cert R9-2012-0075 for Standard Pacific Homes - Corona - Atherton Tract 32627 Project Active CERFILLEXC R9-2012-0075 07/08/2014 null Discharger 12/17/2012 04/09/2014 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