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California Integrated Water Quality System Project (CIWQS)
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Place ID S846809 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 S846809 Las Dunas Concrete Transport Inc Facility 9048 Bradley Ave Sun Valley, CA, 91352 Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
S641590 Organization Las Dunas Concrete Transport Inc N/A Private Business 05/24/2016
Total Related Parties: 1
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
S473178 Industrial 4 INDSTW 2014-0057-DWQ 4 19I026660 06/27/2016 Active
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
S893047 07/15/2025 LREP Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation B Report
S891151 04/30/2025 Failure to Notify FAILURE TO COLLECT AND ANALYZE SAMPLES OF STORMWATER RUNOFF Violation B Report
S889909 07/16/2024 Incomplete/Insufficient SWPPP No SWPPP onsite available for review. No Monthly dry or wet weather inspection. No records of employee stormwater training. No stormwater monitoring and sampling. Violation B Inspection
S889910 07/16/2024 Deficient BMP Implementation Tracking-out aggregates and water used in washing concrete mix trucks. Concrete mixing equipment being used without dust controls. A metal drum stored outdoors and containing used oils without cover or secondary containment, and trash bins without covers. Violation B Inspection
S886199 10/18/2023 LREP Late Annual Report Violation B Report
S882455 10/21/2021 LREP Annual Comprehensive Site Compliance Evaluation. Violation B Inspection
S882454 10/21/2021 Deficient BMP Implementation The street was observed with track-out from trucks coming in and out of the facility Violation B Inspection
S874596 10/23/2020 LREP FAILURE TO SUBMIT THE FISCAL YEAR 2019- 2020 ANNUAL REPORT Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 8 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
Deficient BMP Implementation = Deficient BMP Implementation Failure to Notify = Failure to Notify
Incomplete/Insufficient SWPPP = Incomplete/Insufficient SWPPP LREP = Late Report
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
S463418 Notice of Violation 09/10/2025 Historical
S458178 1st Annual Report Notice of Non-Compliance 08/28/2025 Historical
S457576 Notice of Violation 08/08/2025 Historical
S455825 Notice of Violation 04/30/2025 Historical
S454283 Verbal Communication 08/06/2024 Active
S451492 2nd Annual Report Notice of Non-Compliance 11/29/2023 Historical
S451129 1st Annual Report Notice of Non-Compliance 10/18/2023 Historical
S447079 Verbal Communication 10/21/2021 Historical
S440435 Expedited Payment Letter R4-2021-0047 04/09/2021 Active
S439171 2nd Annual Report Notice of Non-Compliance 12/11/2020 Historical
S438259 1st Annual Report Notice of Non-Compliance 10/23/2020 Historical
S429675 Notice of Violation 04/23/2018 Historical
Total Enf Actions: 12
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
S2065116 B Type compliance Luz Vargas 07/16/2024 N 2 N/A
S2053621 B Type compliance Andrew Veloz 10/21/2021 N 2 N/A
Total Inspections: 2 Last Inspection: 07/16/2024
  
The current report was generated with data as of: 10/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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