General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 28368 Mega Sand, Inc. Privately-Owned Business 441 Edgewood Drive Rio Vista, CA 94571 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 254944 Sac River Sand Dredging Solano 5S Facility Owner 03/17/1978 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 140109 WDR 5S 5A482019001 WDR 90-019 for MEGA SAND, INC. Historical CERDREDGE 90-019 01/26/1990 12/05/2007 Discharger 01/26/1990 null 138972 WDR 5S 5A482019001 WDR 78-036 for MEGA SAND, INC. Historical WDR 78-036 03/17/1978 01/25/1990 Discharger 03/17/1978 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 Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status