General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 29353 Moulton Niguel Water District Special District Po Box 30203 Laguna Niguel, CA 92607-0203 949-643-2584(+) ldees@mnwd.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 835741 San Juan Creek ETM Pipeline Removal Project Orange 9 Dredge/Fill Site Owner 06/08/2017 null 827841 MNWD Emergency Pipeline Repair Orange 9 Dredge/Fill Site Owner 08/31/2016 null 241541 Moulton Niguel WD Drinking Water System Discharges Orange 9 Utility Structure Owner 10/15/2002 null 828946 Oso Creek Moulton Niguel Water District 14-Inch Pipeline Repair Project Orange 9 Dredge/Fill Site Owner 10/11/2016 null 631585 Moulton Niguel Water District CS Orange 9 Collection_System Owner 04/05/2006 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 643511 JOHN MEZAK Person Data Submitter 01/23/2024 null null 646920 Daniel Horn Person Legally Responsible Official 10/01/2024 null null 542663 Doug Zytkewicz Person Legally Responsible Official 08/22/2013 01/04/2024 null 532495 Todd Novacek Person Legally Responsible Official 03/26/2012 null null 612339 Sara Boyer Person Legally Responsible Official 09/21/2020 null null 552155 Marc Serna Person Legally Responsible Official 07/16/2015 04/19/2017 null 473299 Matt Collings Person Employee 06/16/2008 null null 553913 Ronin Goodall Person Employee 12/09/2015 null null 535958 Joone Lopez Person Legally Responsible Official 08/09/2012 null null 81258 Robert Gumerman Person Legally Responsible Official 04/05/2006 08/09/2012 null 552154 Mark Herron Person Legally Responsible Official 07/16/2015 null null 115095 Larry Dees Person Legally Responsible Official 03/23/2009 08/22/2013 null 532496 Adrian Tasso Person Legally Responsible Official 03/26/2012 null null 359389 Brad Bruington Person Legally Responsible Official 01/10/2007 12/09/2015 null 532494 Matthew Collings Person Legally Responsible Official 03/26/2012 null null 558986 Rodney Woods Person Legally Responsible Official 08/31/2016 null null 115095 Larry Dees Person Facility Contact 10/15/2002 08/22/2013 null 542664 James Sampson Person Legally Responsible Official 08/22/2013 07/24/2024 null 353136 John Foley Person Legally Responsible Official 11/29/2006 10/14/2013 null 535959 Kelly Winsor Person Legally Responsible Official 08/09/2012 07/16/2015 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 416821 Enrollee - NPDES 9 4DW0220 Enrollee - NPDES 2014-0194-DWQ Moulton Niguel Water Dist. Drinking Water System Discharges Active NPDMUNIOTH 2014-0194-DWQ 07/01/2017 null Discharger 07/01/2017 null 413724 401 Certification 9 null 401 Cert R9-2017-0096 for Moulton Niguel Water District - San Juan Creek ETM Pipeline Removal Project Historical CERFILLEXC R9-2017-0096 07/31/2017 11/16/2017 Discharger 06/05/2017 null 409675 Enrollee - 401 Certification 9 9 000003109 Enrollee - RGP 63 for Moulton Niguel Water District (Oso Creek 14 inch Pipeline Repair) Historical CERFILLEXC RGP 63 10/11/2016 10/19/2016 Discharger 10/11/2016 null 408551 Enrollee - 401 Certification 9 9 000003092 Enrollee under RGP 63 for Moulton Niguel Water District - MNWD Emergency Pipeline Repair Historical CERFILLEXC RGP 63 08/31/2016 09/01/2016 Discharger 08/31/2016 null 347056 401 Certification 9 9 000001796 Eastern Transmission Main Relocation Historical CERFILLEXC null 09/15/2008 null Discharger 06/16/2008 null 300574 Enrollee 9 9SSO10678 Enrollee of SB SSO WDR for Moulton Niguel Water District Active SSOMUNILRG 2022-0103-DWQ 08/15/2006 null Discharger 04/12/2006 null 214108 Enrollee - NPDES 9 null Enrollee NPDES R9-2010-0003 Moulton Niguel WD Hydrostatic/Potable Discharges Historical NPDNONMUNIPRCS R9-2010-0003 10/17/2002 06/30/2017 Discharger 09/01/2005 null 213957 Enrollee 9 9 000000775 Enrollee WDR R9-2007-0005 SSO Moulton Niguel WD CS Active SSOMUNILRG R9-2007-0005 05/09/1996 null 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. 1139213 01/10/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Other (specify below) caused 589500 gallons of sewage to spill from Other (specify below),Force Main at Regional Park Force Main to Unpaved Surface,Drainage Conveyance System that discharges to surface water,Surface Water Violation null SSO Moulton Niguel Water District CS 300574 2022-0103-DWQ Y 1138264 12/01/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Other (specify below) caused 18975 gallons of sewage to spill from Force Main at Del Avion to Paved Surface,Drainage Conveyance System that discharges to surface water,Surface Water,Street/Curb and Gutter (2 3) Violation null SSO Moulton Niguel Water District CS 300574 2022-0103-DWQ N 1144084 05/03/2025 Deficient Reporting Failure to submit certified and updated Sewer System Management Plan (SSMP) via CIWQS by May 2, 2025, pursuant to State Board Order WQ 2022-0103-DWQ, Statewide Waste Discharge Requirements, General Order for Sanitary Sewer Systems Attachment E1, section 3.11. Violation null Report Moulton Niguel Water District CS 300574 2022-0103-DWQ N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 220140 Clean-up and Abatement Order R9-1998-0045 Enforcement - 9 000000775 WDRMUNILRG 04/07/1998 Historical 220048 Clean-up and Abatement Order R9-1998-0077 Enforcement - 9 000000775 WDRMUNILRG 07/02/1998 Historical 234255 Notice of Violation UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 03/27/2000 Historical 234217 13267 Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 03/28/2000 Historical 234284 Notice of Violation UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 03/28/2000 Historical 234179 13267 Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 03/28/2000 Historical 234429 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 05/04/2000 Historical 234993 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 08/18/2000 Historical 234550 Admin Civil Liability R9-2000-0160 Enforcement - 9 000000775 WDR 09/13/2000 Historical 234850 Notice of Violation UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 11/20/2000 Historical 234900 13267 Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 11/20/2000 Historical 235277 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 11/28/2000 Historical 235931 13267 Letter R9-2001-0169 Enforcement - 9 000000775 WDRMUNILRG 06/15/2001 Historical 235445 Notice of Violation UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 06/15/2001 Historical 235932 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 06/22/2001 Historical 236864 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 07/25/2001 Historical 242493 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 09/02/2003 Historical 252621 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000775 WDRMUNILRG 09/02/2004 Historical 254774 Notice of Violation R9-2005-0053 Enforcement - 9 000000775 WDRMUNILRG 02/02/2005 Historical 305082 Staff Enforcement Letter null SEL, Order 96-04, Moulton Niguel Water District (MNWD), Apr05-Mar06 WDRMUNILRG 06/19/2006 Historical 314893 Staff Enforcement Letter UNKNOWN SEL, Order 96-04, Moulton Niguel WD, Jul-Sep 06 WDRMUNILRG 11/13/2006 Historical 372204 Staff Enforcement Letter null SEL for Moulton Niguel Water District SSOMUNILRG 12/14/2009 Historical 377601 Staff Enforcement Letter null SEL for Moulton Niguel Water District CAT I SSOs SSOMUNILRG 02/22/2011 Historical 379368 Staff Enforcement Letter null SEL for Moulton Niguel Water District SSOMUNILRG 06/03/2011 Historical 383692 Staff Enforcement Letter null SEL for Moulton Niguel Water District SSOMUNILRG 03/15/2012 Historical 386359 Staff Enforcement Letter null SEL for Moulton Niguel Water District SSOMUNILRG 07/23/2012 Historical 409225 Staff Enforcement Letter null SEL for Moulton Niguel Water District 12/17/18 SSOMUNILRG 12/17/2018 Historical 462694 Admin Civil Liability R9-2025-0137 ACL R9-2025-0137 for Moulton Niguel Water District SSOMUNILRG 10/08/2025 Historical 397932 Staff Enforcement Letter null SEL for Moulton Niguel Water District SSOMUNILRG null Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 416821 Ronin Goodall Enrollee - NPDES NPDMUNIOTH 07/01/2017 Active 347056 Matt Collings 401 Certification CERFILLEXC 09/15/2008 Historical