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California Integrated Water Quality System Project (CIWQS)
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Place ID 250964 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 250964 Westmount Oasis Residence, NEC 841 Westmount West Hollywood, CA, 90069 Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
525895 Person Sasoon Mananian Contact 02/15/2011
525894 Organization Westmount Oasis HOA c/o Spectra Associates Owner Privately-Owned Business 02/15/2011
30566 Organization Mikhail Segal Owner Privately-Owned Business 11/15/2004 02/14/2011
Total Related Parties: 3
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
194267 Enrollee - NPDES 4 NPDNONMUNIPRCS R4-2023-0429 4B198903070 12/03/2004 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
1140829 02/26/2025 LREP 4Q24 report submitted 12 days late Violation B Report
1143994 01/23/2025 DMON e. coli analyzed past hold time Violation B Report
1140830 12/31/2024 DMON 4Q24 did not include monitoring for PFAS, required annually and has not been completed Violation B Report
1128665 05/16/2024 LREP 1Q24 report submitted 1 day late Violation B Report
1130718 04/25/2024 CAT2 Tetrachloroethene Daily Maximum limit is 5.0 ug/L and reported value was 7.9 ug/L. Violation B Report
1128663 02/22/2024 LREP 4Q23 report submitted 8 days late Violation B Report
1128664 12/31/2023 DMON 4Q23 report missing acute toxicity, required annually Violation B Report
1114293 02/16/2023 LREP 4Q22 report submitted 2 days late. Violation B Report
1089899 02/28/2021 Deficient Reporting 1Q21 missing TPH, required monthly Violation B Report
1089898 01/31/2021 Deficient Reporting 1Q21 report missing a number of constituents required to be monitored monthly including BOD, settleable solids, O&G, sulfides, phenols, res cl, MBAS, TPH Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 10 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
CAT2 = Category 2 Pollutant (Effluent Violation for Group 2 Pollutant) 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
458622 Admin Civil Liability R4-2024-0356 02/05/2025 Historical
421170 Admin Civil Liability R4-2018-0054 07/25/2018 Historical
408424 Notice of Violation null 08/23/2016 Historical
394392 Admin Civil Liability R4-2013-0187 02/28/2014 Historical
Total Enf Actions: 4
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
43620388 B Type compliance inspection Lala Kabadaian 05/04/2021 Y 0 Download
16946097 B Type compliance inspection Jose Morales 04/01/2015 Y 0 Download
336598 Prerequirement inspection Gensen Kai 12/10/2004 Y 0 N/A
Total Inspections: 3 Last Inspection: 05/04/2021
  
The current report was generated with data as of: 12/26/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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