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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
562878 Onni Atria L.P. Privately-Owned Business 10635 Santa Monica Boulevard 120 Los Angeles, CA 90025 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
246580 Onni Atria L.P. Los Angeles 4 Service/Commercial Site, NEC Owner 01/11/2017 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
562971 Mike Ruppert Person Legally Responsible Official 01/11/2017 None None
562879 Hunter Rosenquist Person Employee 03/07/2017 None None
597552 Jordie Shenkman Person Legally Responsible Official 11/30/2018 None None
Total Related Parties: 3
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
193243 Enrollee - NPDES 4 4B196000014 Active NPDNONMUNIPRCS R4-2023-0429 08/27/1991 None Discharger 01/11/2017 None N
Total Regulatory Measures: 1
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
456289 Admin Civil Liability R4-2024-0130 ACL R4-2024-0130 for Onni Atria L.P. NPDNONMUNIPRCS 06/20/2024 Historical
447392 Admin Civil Liability R4-2021-0099 ACL R4-2021-0099 for Onni Atria L.P. NPDNONMUNIPRCS 06/16/2022 Historical
438542 Admin Civil Liability R4-2020-0039 ACL R4-2020-0039 for Onni Atria L.P. NPDNONMUNIPRCS 12/11/2020 Historical
Total Enforcement Actions: 3
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 11/03/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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