General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 10465 Santa Clarita Valley Water Agency - Imported Division Special District 27234 Bouquet Canyon Road Santa Clarita, CA 91350-2173 661-297-1600 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 826635 Castaic Lake Water Agency WS Los Angeles 4 Utility Structure Owner and Operator 07/26/2016 01/24/2018 778328 Saugus Perchlorate Treatment Facility Los Angeles 4 Water Treatment Plant Owner and Operator 03/05/2012 null 630282 Rio Vista Water Treatment Plant Los Angeles 4 Water Treatment Plant Owner 08/22/2007 null 267528 Three Prod. Well Aquifer Test Los Angeles 4 Groundwater Cleanup Site Owner 07/17/2002 null 250453 Pipeline Replacement Project Los Angeles 4 Facility Owner 05/04/2005 null 245123 Newhall Parallel Construction Los Angeles 4 Facility Owner 04/07/1999 null 238091 Lateral Extension Pipeline Los Angeles 4 Facility Owner 03/25/1998 null 223208 Earl Schmidt Filtration Plant Los Angeles 4 Water Treatment Plant Owner 10/27/1980 null 201056 Treatment Saugus Well No. 1 Los Angeles 4 Facility Owner 07/19/2004 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 558325 Jeffrey Koelewyn Person Employee 07/26/2016 null null 533863 Keith Abercrombie Person Legally Responsible Official 02/25/2021 null null 532350 Dan Masnada Person Legally Responsible Official 03/16/2012 null null 489213 Jim Leserman Person Board member 10/06/2008 null null 489212 Gary Haggin Person Employee 10/06/2008 null null 456924 Santa Clarita Valley Water Agency Organization Division Of (Passive) 03/28/2014 null Special District 349116 David Kimbrough Person Legally Responsible Official 10/31/2006 null null 349116 David Kimbrough Person Board member 10/27/1980 null null 83069 Robert Sageborn Person Board member 10/27/1980 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 407928 Enrollee - NPDES 4 4DW0768 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Santa Clarita Valley Water Agency Active NPDNONMUNIPRCS 2014-0194-DWQ 06/29/2016 null Discharger 06/29/2016 12/31/2017 383618 Enrollee - NPDES 4 4A198903078 Enrollee- NPDES General Permit for GW Const & Dewat for Santa Clarita Valley Water Agency - Imported Division Active NPDNONMUNIPRCS R4-2018-0125 03/08/2012 null Discharger 03/05/2012 null 372277 Letter 4 4B198000007 (CI 8958) Approval letter to add 70 new outfall locations Historical NPDESWW R4-2009-0068 12/08/2009 12/09/2009 Discharger 03/27/2006 null 299062 Enrollee - NPDES 4 4B198000007 Enrollee (CI 8958)-Disc of Low Threat Hydrostatic Test Water, Castaic Lake Water Historical NPDNONMUNIPRCS R4-2019-0052 09/23/2005 03/06/2017 Discharger 03/27/2006 null 194105 Enrollee 4 4B196800043 4B196800043 Historical NPDNONMUNIPRCS R4-2002-0107 07/31/2002 08/07/2007 Discharger 09/01/2005 null 193471 Enrollee 4 4B196000479 4B196000479 Historical NPDNONMUNIPRCS 97-045 04/21/1999 07/14/2000 Discharger 09/01/2005 null 193137 Enrollee 4 4A567600029 Enrollee - GW discharge from potable water for Saugus Well No. 1 Historical NPDNONMUNIPRCS R4-2003-0108 08/07/2003 02/22/2012 Discharger 09/01/2005 null 192973 Enrollee 4 4A197500067 Castaic Lake Water Agency - Enrollee 4A197500067 Historical NPDNONMUNIPRCS R4-2003-0111 05/26/2005 07/20/2005 Discharger 09/01/2005 null 192897 Enrollee 4 4A196000397 4A196000397 Historical NPDNONMUNIPRCS 97-045 04/03/1998 06/25/2003 Discharger 09/01/2005 null 136723 NPDES Permit 4 4A190116001 NPDES Permit 97-030 for CASTAIC LAKE WATER AGENCY Historical NPDESWW 97-030 04/07/1997 11/30/2005 Discharger 04/07/1997 null 135318 NPDES Permit 4 4A190116001 NPDES 92-020 for CASTAIC LAKE WATER AGENCY Historical NPDESWW 92-020 04/20/1992 04/07/1997 Discharger 04/20/1992 null 135254 NPDES Permit 4 4A190116001 NPDES 86-031 for CASTAIC LAKE WATER AGENCY Historical NPDESWW 86-031 06/23/1986 04/20/1992 Discharger 06/23/1986 null 134193 NPDES Permit 4 4A190116001 NPDES 80-055 for CASTAIC LAKE WATER AGENCY Historical NPDESWW 80-055 10/27/1980 06/23/1986 Discharger 10/27/1980 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 405332 Admin Civil Liability R4-2016-0065 ACL R4-2016-0065 for Castaic Lake Water Agency NPDNONMUNIPRCS 05/25/2016 Historical 378357 Admin Civil Liability R4-2011-0049-M EPL R4-2011-0049-M for Castaic Lake Water Agency CI 8798 NPDNONMUNIPRCS 03/29/2011 Historical 378094 Notice of Violation NOV NOV for Castaic Lake Water Agency NPDNONMUNIPRCS 03/14/2011 Historical 375932 Admin Civil Liability R4-2010-0148-M EPL No. R4-2010-0148-M 08/25/2010 for Castaic Lake Water Agency NPDNONMUNIPRCS 08/25/2010 Historical 359148 Admin Civil Liability R4-2008-0188-M Expedited Payment Letter sent 12/19/08 for Rio Vista Water Treatment Plant. NPDNONMUNIPRCS 12/19/2008 Historical 253853 Notice of Violation NOV NOV sent 5/18/04 for overdue 4Q03, 2003 annual report. NPDNONMUNIPRCS 05/18/2004 Historical 243530 Notice of Violation NOV NOV sent by SWRCB 3/4/03 for overdue annual permit fee ($20,000). NPDNONMUNIPRCS 03/04/2003 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 413832 Santa Clarita Valley Water Agency Enrollee - NPDES NPDNONMUNIPRCS 07/01/2016 Active 407928 Jeffrey Koelewyn Enrollee - NPDES NPDNONMUNIPRCS 06/29/2016 Active 397736 Santa Clarita Valley Water Agency Enrollee - WRR REC 09/08/2014 Active 374126 Santa Clarita Valley Water Agency Letter NPDNONMUNIPRCS 04/29/2010 Historical 365055 Santa Clarita Valley Water Agency Letter NPDNONMUNIPRCS 03/10/2009 Historical 339264 Santa Clarita Valley Water Agency Enrollee - NPDES NPDNONMUNIPRCS 04/08/2008 Historical 330725 Santa Clarita Valley Water Agency Enrollee - NPDES NPDNONMUNIPRCS 09/05/2007 Historical