General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website S625428 William Lyon Home Inc Privately-Owned Business 4695 MacArthur Court 8th Floor Newport Beach, CA 92660 N/A N/A Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date S826347 Bellegrave Tract 31768 Riverside 8 Facility Discharger 10/22/2013 null S826351 Bellegrave Tract 31778 1 Riverside 8 Facility Discharger 10/22/2013 null S827539 SkyRidge Aka Lexington Heights Tract 32997 Riverside 8 Facility Discharger 01/21/2014 null S828571 Bridle Creek TR 29622 3 Riverside 8 Facility Discharger 03/27/2014 null S828933 Cedar Glen Tract 18948 San Bernardino 8 Facility Discharger 04/11/2014 null S831826 The Orchards Tract 18697 San Bernardino 8 Facility Discharger 09/30/2014 null S832054 Laurel Lane Tract No 18890 San Bernardino 8 Facility Discharger 10/13/2014 null S833820 Nexus Riverside 8 Facility Discharger 02/11/2015 null S846792 Development District 1 - North (NOSO) BA 107, Tract No. 17900 - Lot 3 Orange 8 Facility Discharger 05/24/2016 null S855098 Ovation at Flora Park Orange 8 Facility Discharger 05/01/2017 null S860133 Bellgrave Tract 31768 Riverside 8 Facility Discharger 11/09/2017 null S860136 SkyRidge Aka Lexington Heights Tract 32997 Riverside 8 Facility Discharger 11/09/2017 null S862975 Hideaway at St Cloud San Diego 9 Facility Discharger 04/05/2018 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification N/A Darren Bolton Contact Owner Contact null null null N/A Bryan Bergeron Contact Owner Contact null 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 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 S427033 1st Annual Report Notice of Non-Compliance null 8 30C376470 CONSTW 09/18/2017 Active Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status