General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 19793 Hanson Aggregates Privately-Owned Business Po Box 850 Atascadero, CA 93422 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 255660 Santa Margarita Quarry San Luis Obispo 3 Sand and Gravel Mining Owner 07/12/1994 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 147677 WDR 3 3 402001001 WDR 00-005 for HANSON AGGREGATES Historical WDR 00-005 05/19/2000 05/12/2005 Discharger 05/19/2000 null 146971 NPDES Permit 3 3 402001001 NPDES 95-005 for HANSON AGGREGATES Historical WDR 95-005 02/10/1995 null Discharger 02/10/1995 null 144198 NPDES Permit 3 3 402001001 NPDES 90-006 for HANSON AGGREGATES Historical WDR 90-006 01/12/1990 null Discharger 01/12/1990 null 143660 NPDES Permit 3 3 402001001 NPDES 85-014 for HANSON AGGREGATES Historical WDR 85-014 02/08/1985 null Discharger 02/08/1985 null 142820 NPDES Permit 3 3 402001001 NPDES 71-021 for HANSON AGGREGATES Historical WDR 71-021 01/01/1971 null Discharger 01/01/1971 null 133392 WDR 3 3 402001001 WDR 05-0017 for HANSON AGGREGATES Active WDRMINING 05-0017 05/13/2005 null Discharger 05/13/2005 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 248399 Notice of Violation UNKNOWN Enforcement - 3 402001001 WDR 06/07/2002 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status