General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 41546 Sousa Ready Mix Inc Privately-Owned Business Po Box 157 Mt Shasta, CA 96067 530-926-4485 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 269365 Upton Road Facility Siskiyou 5R Sand and Gravel Mining Owner 05/29/1998 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 134703 WDR 5R 5A472009001 WDR 98-158 for Sousa Ready Mix Inc Active WDRMINING 98-158 07/24/1998 null Discharger 07/24/1998 null 133202 WDR 5R 5A472009001 WDR 82-039 for Sousa Ready Mix Inc Historical WDR 82-039 04/23/1982 07/23/1998 Discharger 04/23/1982 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 229907 Staff Enforcement Letter null SEL 3/16/2000 for Sousa Rady Mix Inc WDR 03/16/2000 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status