General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 520230 Gregory Wiltfong null 6101 Rampart Drive Carmichael, CA 95608 530-392-6322 Gregory.Wiltfong@Inframark.com 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 558005 CH2M Hill - OMI Organization Legally Responsible Official 06/23/2016 null Privately-Owned Business 37437 Rio Vista City Organization Legally Responsible Official 01/14/2025 null City Agency 36963 Red Bluff City Organization Legally Responsible Official 08/19/2020 08/04/2025 Municipal 29366 Mountain House CSD Organization Legally Responsible Official 10/08/2024 null Special District 14539 US Air Force Edwards Air Force Base Organization Facility Contact 03/22/1973 12/31/2003 Federal Agency 2383 Auburn City Organization Data Submitter 10/14/2009 null City Agency 2383 Auburn City Organization Legally Responsible Official 03/30/2020 null City Agency 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 459134 Rio Vista City NPDES Permit NPDMUNIOTH 12/01/2024 Active 449836 Rio Vista City WDR LFNONOPER 10/14/2022 Active 448948 Auburn City Individual Monitoring Requirem NPDMUNIOTH 07/01/2022 Active 448948 Auburn City Individual Monitoring Requirem NPDMUNIOTH 07/01/2022 Active 448871 Auburn City Enrollee - NPDES NPDMUNILRG 07/01/2022 Active 448871 Auburn City Enrollee - NPDES NPDMUNILRG 07/01/2022 Active 442757 Rio Vista City NPDES Permit NPDMUNILRG 04/01/2021 Active 440494 Mountain House CSD Co-Permitee SLIC 07/09/2020 Active 440457 Rio Vista City Co-Permitee SLIC 07/09/2020 Active 440456 Auburn City Co-Permitee SLIC 07/09/2020 Active 440456 Auburn City Co-Permitee SLIC 07/09/2020 Active 435482 Mountain House CSD Enrollee - WDR WDRNONMUNIPRCS 11/22/2019 Historical 428745 Rio Vista City NPDES Permit NPDMUNIOTH 04/01/2019 Historical 421009 Auburn City WDR LFNONOPER 04/06/2018 Active 421009 Auburn City WDR LFNONOPER 04/06/2018 Active 416414 Mountain House CSD NPDES Permit NPDMUNILRG 02/01/2018 Historical 407662 Auburn City NPDES Permit NPDMUNILRG 08/01/2016 Historical 407662 Auburn City NPDES Permit NPDMUNILRG 08/01/2016 Historical 404089 Rio Vista City NPDES Permit NPDMUNILRG 02/01/2016 Historical 395363 Rio Vista City NPDES Permit NPDMUNIOTH 03/28/2014 Historical 389443 Mountain House CSD NPDES Permit NPDMUNILRG 03/22/2013 Historical 387307 Rio Vista City Enrollee - NPDES NPDNONMUNIPRCS 08/09/2012 Historical 376633 Auburn City NPDES Permit NPDMUNILRG 11/11/2010 Historical 376633 Auburn City NPDES Permit NPDMUNILRG 11/11/2010 Historical 375998 Rio Vista City NPDES Permit NPDMUNILRG 09/16/2010 Historical 366405 Rio Vista City NPDES Permit NPDMUNIOTH 09/19/2008 Historical 351548 Rio Vista City NPDES Permit NPDMUNIOTH 09/19/2008 Historical 327492 Mountain House CSD NPDES Permit NPDMUNILRG 06/23/2007 Historical 326205 Mountain House CSD Enrollee MNSTW2 12/29/2008 Historical 312138 Rio Vista City WDR LFNONOPER 08/12/2005 Historical 301645 Rio Vista City Enrollee - WDR SSOMUNISML 08/10/2006 Active 301510 Mountain House CSD Enrollee SSOMUNISML 07/17/2006 Historical 301509 Mountain House CSD Enrollee - WDR SSOMUNISML 01/03/2007 Active 300875 Auburn City Enrollee - WDR SSOMUNILRG 11/28/2006 Active 300875 Auburn City Enrollee - WDR SSOMUNILRG 11/28/2006 Active 194603 Rio Vista City Enrollee NPDNONMUNIPRCS 09/13/2002 Historical 194598 Rio Vista City Enrollee NPDNONMUNIPRCS 10/11/2001 Historical 170980 Auburn City Enrollee MNSTW2 10/29/2004 Historical 170980 Auburn City Enrollee MNSTW2 10/29/2004 Historical 148420 Rio Vista City NPDES Permit NPDMUNIOTH 06/14/2001 Historical 147160 Rio Vista City NPDES Permit NPDMUNIOTH 09/22/1995 Historical 146802 Mountain House CSD NPDES Permit NPDMUNILRG 09/11/1998 Historical 146801 Auburn City NPDES Permit NPDMUNILRG 09/11/1998 Historical 146801 Auburn City NPDES Permit NPDMUNILRG 09/11/1998 Historical 146750 Mountain House CSD WDR WDR 04/17/1998 Historical 146416 Rio Vista City NPDES Permit NPDMUNIOTH 04/28/1995 Historical 141722 Rio Vista City NPDES Permit NPDMUNIOTH 04/22/1994 Historical 141425 Auburn City NPDES Permit NPDMUNILRG 12/08/1989 Historical 141425 Auburn City NPDES Permit NPDMUNILRG 12/08/1989 Historical 141213 Auburn City WDR LNDISP 12/03/1993 Historical 141213 Auburn City WDR LNDISP 12/03/1993 Historical 141098 Rio Vista City WDR LNDISP 05/29/1991 Historical 140996 Auburn City NPDES Permit NPDMUNILRG 10/27/1994 Historical 140996 Auburn City NPDES Permit NPDMUNILRG 10/27/1994 Historical 140994 Rio Vista City WDR LNDISP 09/16/1994 Historical 140430 Rio Vista City NPDES Permit NPDMUNIOTH 05/25/1990 Historical 139364 Rio Vista City WDR LNDISP 06/28/1974 Historical 139134 Rio Vista City NPDES Permit NPDMUNIOTH 11/28/1984 Historical 139119 Auburn City NPDES Permit NPDMUNILRG 09/28/1984 Historical 139119 Auburn City NPDES Permit NPDMUNILRG 09/28/1984 Historical 139037 Auburn City WDR LNDISP 06/22/1979 Historical 139037 Auburn City WDR LNDISP 06/22/1979 Historical 133340 Auburn City NPDES Permit NPDMUNILRG 03/17/2005 Historical 133340 Auburn City NPDES Permit NPDMUNILRG 03/17/2005 Historical 132993 Auburn City WDR LFNONOPER 06/04/2004 Historical 132993 Auburn City WDR LFNONOPER 06/04/2004 Historical 132912 Rio Vista City NPDES Permit NPDMUNIOTH 07/20/2004 Historical 131504 Rio Vista City NPDES Permit NPDMUNIOTH 06/07/2002 Historical