General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 51652 Westlake Lake Management Association Privately-Owned Business 32353 West Triunfo Canyon Road Westlake Village, CA 91361 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 822111 Well No. 1, 2, 3 & 4 Los Angeles 4 Utility Structure Owner and Operator 02/18/2016 null 273830 Westlake Well Los Angeles 4 Utility Structure Owner 07/28/2004 null 273822 Westlake Village Los Angeles 4 Facility Owner 09/20/2001 null 273817 Westlake Lake Los Angeles 4 Facility Owner 04/22/2002 null 271000 Vector Control Program Ventura 4 Waterway/Shoreline Site Owner 06/17/2004 null 207865 Aquatic Pesticide/Weed Control Ventura 4 Waterway/Shoreline Site Owner 04/24/2002 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 554813 Ed Jefferson Person Legally Responsible Official 02/25/2016 null null 554720 Carl Koenig Person Employee 02/18/2016 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 404742 Enrollee - NPDES 4 4A198901077 Enrollee - under NPDES Gen Permit for GW Const & Proj Dewat for Westlake Lake Management Association Active NPDNONMUNIPRCS R4-2013-0095 03/11/2016 null Discharger 02/18/2016 null 194321 Enrollee - NPDES 4 4B197800001 Enrollee - NPDES 2016-0039-DWQ for Westlake Lake Mgnt Assoc Active NPDNONMUNIPRCS 2016-0039-DWQ 07/01/2016 null Discharger 09/01/2005 null 194211 Enrollee - NPDES 4 4B197300006 Enrollee 2013-0002-DWQ for WEST LAKE MANAGEMENT ASSOC-AQ PESTICIDES (Region 4) Active NPDNONMUNIPRCS 2013-0002-DWQ 05/13/2002 null Discharger 02/21/2014 null 193734 Enrollee 4 4B196201035 4B196201035 Historical LNDISP 91-93 10/10/2001 01/09/2002 Discharger 09/01/2005 null 193139 Enrollee - NPDES 4 4A567600031 Enrollee - GW from potable water supply wells for Westlake Lake Management Association Historical NPDNONMUNIPRCS R4-2003-0108 10/14/2004 09/21/2016 Discharger 09/01/2005 null 193047 Enrollee 4 4A566202009 4A566202009 Historical LNDISP 91-93 05/15/2002 08/15/2002 Discharger 09/01/2005 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 411594 Admin Civil Liability R4-2016-0375 ACL R4-2016-0375 for Westlake Lake Management Association NPDNONMUNIPRCS 03/15/2017 Historical 379686 Notice of Violation NOV NOV 03/23/2011 for Westlake Lake Management Association NPDNONMUNIPRCS 03/23/2011 Historical 341271 Notice of Violation NOV NOV sent 12/14/07 for 12 overdue monitoring reports. NPDNONMUNIPRCS 12/14/2007 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 404742 Carl Koenig Enrollee - NPDES NPDNONMUNIPRCS 03/11/2016 Active