General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 285855 Patrick Sheilds null 17140 South Avalon Boulevard Carson, CA 90746 310-660-6210 patricks@westbasin.org Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 499770 Irvine Ranch Water District Organization Legally Responsible Official 08/01/2013 08/22/2018 Special District 147335 Inland Empire Utilities Agency Organization Legally Responsible Official 07/09/2007 03/01/2013 Special District 147335 Inland Empire Utilities Agency Organization Legally Responsible Official 04/12/2006 03/01/2013 Special District 51511 West Basin MWD Organization Legally Responsible Official 05/31/2018 08/23/2018 Special District 51511 West Basin MWD Organization Legally Responsible Official 04/19/2019 null Special District 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 454510 West Basin MWD NPDES Permit NPDNONMUNIPRCS 04/01/2024 Active 452909 West Basin MWD NPDES Permit NPDMUNILRG 02/01/2024 Active 421694 West Basin MWD NPDES Permit NPDMUNILRG 09/01/2018 Historical 420096 West Basin MWD NPDES Permit NPDNONMUNIPRCS 09/01/2018 Historical 402445 West Basin MWD Resolution NPDMUNILRG 09/10/2015 Historical 388868 West Basin MWD NPDES Permit NPDNONMUNIPRCS 04/26/2013 Historical 383519 West Basin MWD NPDES Permit NPDMUNILRG 03/23/2012 Historical 378801 West Basin MWD Enrollee - NPDES NPDNONMUNIPRCS 06/10/2011 Historical 359178 West Basin MWD NPDES Permit NPDNONMUNIPRCS 08/15/2009 Historical 332296 West Basin MWD Enrollee - NPDES NPDNONMUNIPRCS 10/25/2007 Historical 319249 West Basin MWD NPDES Permit NPDNONMUNIPRCS 02/10/2007 Historical 313099 West Basin MWD NPDES Permit NPDMUNILRG 09/18/2006 Historical 298259 West Basin MWD Reclamation Requirements REC 01/19/2006 Active 260546 West Basin MWD Letter WDR 09/18/2000 Historical 260473 West Basin MWD Letter WDR 08/22/2000 Historical 194317 West Basin MWD Enrollee NPDNONMUNIPRCS 01/12/2005 Historical 194280 West Basin MWD Enrollee NPDNONMUNIPRCS 04/11/2005 Historical 193781 West Basin MWD Enrollee NPDNONMUNIPRCS 02/24/1995 Historical 193478 West Basin MWD Enrollee NPDNONMUNIPRCS 06/04/1999 Historical 148245 West Basin MWD NPDES Permit NPDMUNIOTH 06/29/2000 Historical 148034 West Basin MWD Reclamation Requirements REC 03/29/2001 Active 136852 West Basin MWD NPDES Permit NPDESWW 04/22/1999 Historical 135528 West Basin MWD Reclamation Requirements REC 01/23/1995 Historical 135479 West Basin MWD Reclamation Requirements REC 10/31/1994 Historical 135474 West Basin MWD NPDES Permit NPDMUNIOTH 10/31/1994 Historical