Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
520230 Gregory Wiltfong 6101 Rampart Drive Carmichael, CA 95608 530-392-6322 Gregory.Wiltfong@Inframark.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
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 None Privately-Owned Business
37437 Rio Vista City Organization Legally Responsible Official 01/14/2025 None 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 None 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 None City Agency
2383 Auburn City Organization Legally Responsible Official 03/30/2020 None City Agency
Total Related Parties: 7
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
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
Total Regulatory Measures linked to Related Parties: 68
  
  
The current report was generated with data as of: 11/03/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB