General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 46277 Triangle Engineering Co Privately-Owned Business 7229 Dantoni Road Marysville, CA 95901 530-742-8889 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 227555 Goldfields Aggregate Pit Yuba 5S Sand and Gravel Mining Owner 04/22/1999 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 141402 WDR 5S 5A582018002 WDR 5-00-106 for Triangle Engineering Co, Goldfields Aggregate Pit Historical WDRMINING 5-00-106 06/15/2000 06/07/2019 Discharger 06/15/2000 null 140940 WDR 5S 5A582018002 WDR 87-107 for TRIANGLE ENGINEERING CO Historical WDR 87-107 06/26/1987 06/14/2000 Discharger 06/26/1987 null 139646 WDR 5S 5A582018002 WDR 81-084 for TRIANGLE ENGINEERING CO Historical WDR 81-084 07/24/1981 06/25/1987 Discharger 07/24/1981 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 403198 Notice of Violation null NOV 10/08/2015 for Triangle Engineering Co WDRMINING 10/08/2015 Historical 397778 Notice of Violation null NOV 08/11/2014 for Triangle Engineering Co WDRMINING 08/11/2014 Historical 386043 Notice of Violation null NOV 07/02/2012 for Triangle Engineering Co WDR 07/02/2012 Historical 338127 Notice of Violation null NOV 12/04/2007 Triangle Engineering Co, Goldfields Aggregate PIT WDR 12/04/2007 Historical 251495 13267 Letter null 13267 Letter 04/29/2004 for Goldfields Aggregate Pit WDR 04/29/2004 Historical 243354 Notice of Violation null NOV 06/24/2003 for TRIANGLE ENGINEERING CO, GOLDFIELDS AGGREGATE PIT WDR 06/24/2003 Historical 232461 Oral Communication null OC 03/01/2000 for Goldfields Aggregate Pit WDR 03/01/2000 Historical 232460 Notice of Violation null NOV 03/01/2000 for TRIANGLE ENGINEERING CO, GOLDFIELDS AGGREGATE PIT WDR 03/01/2000 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status