General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 525894 Westmount Oasis HOA c/o Spectra Associates Privately-Owned Business 2534 Honolulu Avenue Montrose, CA 91020 818-369-7436 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 250964 Westmount Oasis Los Angeles 4 Residence, NEC Owner 02/15/2011 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 525895 Sasoon Mananian Person Legally Responsible Official 02/15/2011 null null 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 194267 Enrollee - NPDES 4 4B198903070 Enrollee - NPDES Gen Permit for GW from Const Dewat for Westmount Oasis c/o Spectra Associate Active NPDNONMUNIPRCS R4-2023-0429 12/03/2004 null Discharger 02/15/2011 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. 1140829 02/26/2025 Late Report 4Q24 report submitted 12 days late Violation N Report Westmount Oasis 194267 R4-2023-0429 N 1140830 12/31/2024 Deficient Monitoring 4Q24 did not include monitoring for PFAS, required annually and has not been completed Violation N Report Westmount Oasis 194267 R4-2023-0429 N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 458622 Admin Civil Liability R4-2024-0356 ACL R4-2024-0356 for Westmount Oasis HOA c/o Spectra Associates NPDNONMUNIPRCS 02/05/2025 Historical 421170 Admin Civil Liability R4-2018-0054 ACL R4-2018-0054 for Westmount Oasis HOA c/o Spectra Associates NPDNONMUNIPRCS 07/25/2018 Historical 408424 Notice of Violation null NOV 08/23/2016 for Westmount Oasis c/o Spectra Associates NPDNONMUNIPRCS 08/23/2016 Historical 394392 Admin Civil Liability R4-2013-0187 ACL R4-2013-0187 for Westmount Oasis c/o Spectra Associates NPDNONMUNIPRCS 02/28/2014 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status