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California Integrated Water Quality System Project (CIWQS)
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Place ID 253988 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 253988 Regional GW monitoring - Los Angeles River Watershed Utility Structure LA River Watershed - multiple locations Los Angeles, CA, Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
522298 Person Brittany Liu Contact 09/10/2025
647230 Person Stephan Tucker Is Onsite Manager For 09/10/2025
652295 Person Moises Santillan Contact 09/10/2025
652250 Person Paul Liu Is Onsite Manager For 09/10/2025
630208 Person Brian Partington Contact 03/13/2021 09/10/2025
559556 Person Robb Whitaker Contact 10/17/2016 03/12/2021
51401 Organization Water Replenishment District of Southern California Owner Special District 10/09/2001
Total Related Parties: 7
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
193653 Enrollee - NPDES 4 NPDNONMUNIPRCS R4-2018-0125 4B198901116 12/19/2001 11/13/2023 Active N
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1146349 08/15/2025 LREP 2Q25 report submitted 1 day late Violation B Report
1136085 11/15/2024 LREP 3Q24 report submitted 1 day late Violation B Report
1132060 08/15/2024 LREP 2Q24 report submitted 1 day late Violation B Report
1124543 02/15/2024 LREP 4Q23 report submitted 1 day late Violation B Report
1122386 11/15/2023 LREP 3Q23 report submitted 1 day late Violation B Report
1122387 09/26/2023 DMON missing res chorine monitoring for M-002 Violation B Report
1119390 08/15/2023 LREP 2Q23 report submitted 1 day late Violation B Report
1114396 02/15/2023 LREP 4Q22 report was submitted 1 day late Violation B Report
1111842 09/06/2022 Deficient Reporting E. coli analyzed outside holding time from M-005 Violation B Report
1100689 02/15/2022 LREP 4Q21 report submitted 1 day late Violation B Report
1100690 12/31/2021 Deficient Reporting 4Q21 report E.coli missing, required quarterly. Although Permittee requested analysis, lab mistakenly did not analyze. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 11 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
DMON = Deficient Monitoring Deficient Reporting = Deficient Reporting
LREP = Late Report
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
Total Enf Actions: 0
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
57264948 B Type compliance inspection Lala Kabadaian 08/20/2024 N 0 Download
33388727 B Type compliance inspection Jose Morales 11/26/2018 Y 0 Download
7320111 B Type compliance inspection Jose Morales 02/24/2012 Y 0 [Attachments]
Total Inspections: 3 Last Inspection: 08/20/2024
  
The current report was generated with data as of: 12/02/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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