General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website S640596 Endsley Mariposa Plant LP Privately-Owned Business 1121 K Street Modesto, CA 95354 N/A N/A Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date S845176 Mariposa 300K Warehouse Addition Stanislaus 5S Facility Discharger 03/15/2016 null S870835 901 East Whitmore Site Stanislaus 5S Facility Discharger 03/07/2019 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification N/A Stephen Endsley Contact Owner Contact null 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 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. S895646 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Mariposa 300K Warehouse Addition S470616 2009-0009-DWQ Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status S455876 1st Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 07/15/2024 Active S424841 1st Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 09/21/2016 Historical S445829 1st Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 10/01/2021 Active S432059 1st Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 09/26/2018 Active S435369 1st Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 09/26/2019 Active S425223 2nd Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 11/02/2016 Historical S447616 2nd Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 08/19/2022 Active S431675 2nd Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 11/09/2018 Active S435790 2nd Annual Report Notice of Non-Compliance null 5S50C375731 CONSTW 12/10/2019 Active S460495 Notice of Violation null 5S50C375731 CONSTW 09/05/2025 Active Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status