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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
48160 US Dept of the Interior Park Service Federal Agency 1901 Spinnaker Drive Ventura, CA 93001 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
656171 White Wolf CS Mariposa 5F Collection_System Owner 09/23/2010 None
631690 Tuolumne Meadows CS Mariposa 5F Collection_System Owner 04/06/2006 None
631689 Wawona CS Mariposa 5F Collection_System Owner 09/23/2010 None
631650 Yosemite Valley CS Mariposa 5F Collection_System Owner 04/05/2006 None
631509 El Portal CS Mariposa 5F Collection_System Owner 09/23/2010 None
631085 Hodgdon Meadow CS Mariposa 5S Collection_System Owner 04/03/2006 None
Total Related Places: 6
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
465556 Jim Allen Person Data Submitter 04/16/2008 None None
540039 John Barton Person Employee 05/15/2013 None None
650504 Mike Trumm Person Legally Responsible Official 05/02/2025 None None
649674 Jose Contreras Person Data Submitter 03/07/2025 None None
606864 Teresa Austin Person Legally Responsible Official 03/18/2020 None None
649674 Jose Contreras Person Data Submitter 06/16/2025 None None
167180 Michael Tollefson Person Legally Responsible Official 04/06/2006 None None
651452 SHAWN ZUMBRUNNEN Person Data Submitter 06/23/2025 None None
563358 Chip Jenkins Person Legally Responsible Official 04/17/2017 08/26/2020 None
465710 Paul Laymon Person Data Submitter 04/18/2008 04/25/2017 None
524677 Katie Bablitch Person Data Submitter 09/23/2010 04/25/2017 None
560230 Woody Smeck Person Legally Responsible Official 11/08/2016 04/25/2017 None
498069 Katie Brown Person Data Submitter 09/23/2010 04/25/2017 None
518991 Don Neubacher Person Legally Responsible Official 09/08/2009 10/31/2016 None
508950 David Uberuaga Person Legally Responsible Official 06/02/2009 12/02/2010 None
479773 Kevin Cann Person Legally Responsible Official 07/24/2008 12/02/2010 None
Total Related Parties: 16
  
  
  
  
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?
301838 Enrollee - WDR 5S 5SSO11099 Active SSOMUNISML 2022-0103-DWQ 11/16/2006 None Discharger 04/21/2006 None N
330817 Enrollee - WDR 5F 5SSO11355 Active SSOMUNISML 2022-0103-DWQ 08/22/2007 None Discharger 04/21/2008 None N
301017 Enrollee - WDR 5F 5SSO10778 Active SSOMUNISML 2022-0103-DWQ 11/16/2006 None Discharger 04/21/2008 None N
300896 Enrollee - WDR 5F 5SSO10735 Active SSOMUNISML 2022-0103-DWQ 11/16/2006 None Discharger 04/21/2008 None N
300983 Enrollee - WDR 5F 5SSO10774 Active SSOMUNISML 2022-0103-DWQ 11/16/2006 None Discharger 04/14/2006 None N
301018 Enrollee - WDR 5F 5SSO10779 Active SSOMUNISML 2022-0103-DWQ 11/16/2006 None Discharger 04/14/2006 None N
Total Regulatory Measures: 6
  
  
  
  
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.
1142175 01/07/2025 Order Conditions The Enrollee failed to follow the receiving water quality sampling and analysis for a Category 1 spill. Violation of Order section 5.13, Attachment E-1 sections 2.3.2, 2.3.3, & 2.3.4. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142174 04/02/2024 Order Conditions The Enrollee failed to submit an Annual Report by 1 April 2024, which includes a running 10-year system performance analysis. Violation of Order section 5.13.2, Attachment E-1 section 3.9, & Order section 5.11. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142173 01/07/2025 Order Conditions The Enrollee failed to submit a Spill Technical Report for the 01/07/2025 spill. Violation of Order section 5.13, and Attachment E-1 section 3.1.3 Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142172 01/07/2025 Order Conditions The Enrollee failed to submit a Certified Spill Report for the 01/07/2025 spill. Violation of Order section 5.13, and Attachment E-1 section 3.1.2. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142170 08/29/2023 Order Conditions The Enrollee failed to submit a Certified Spill Report for the 08/29/2023 spill. Violation of Order section 5.13, and Attachment E-1 section 3.1.2. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142169 05/01/2023 Order Conditions Sewer System Management Plan (SSMP) has not been updated since 2013, which includes the Spill Emergency Response Plan. Violation of Order section 5.5, Attachment E-1 section 3.11, & Order section 5.12. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142166 01/17/2025 Unauthorized Discharge Unauthorized discharge of sewage to waters of the State. Violation of Order section 4.2. Violation None Inspection Wawona CS 301017 2022-0103-DWQ N
1142159 01/17/2025 Unauthorized Discharge Unauthorized discharge of sewage to waters of the United States. Violation of CWC section 13376 and CWA section 301. Violation None Inspection Wawona CS 301017 2022-0103-DWQ Y
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: 8
*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
460760 Notice of Violation None NOV 04/17/2025 for US Dept of the Interior Park Service SSOMUNISML 04/17/2025 Active
417009 Notice of Violation None NOV 10/13/2017 for USDI National Park Service Yosemite National Park NPDMUNIOTH 10/13/2017 Active
382419 Notice of Violation None NOV 12/16/2011 for US Dept of the Interior, Yosemite Valley CS SSOMUNISML 12/16/2011 Historical
378396 Notice of Violation None NOV 07/20/2010 for US DEPT OF THE INTERIOR SSOMUNISML 07/20/2010 Historical
378350 Notice of Violation None NOV 07/20/2010 for US DEPT OF THE INTERIOR SSOMUNISML 07/20/2010 Historical
378329 Notice of Violation None NOV 05/03/2007 for US DEPT OF THE INTERIOR SSOMUNISML 05/03/2007 Historical
378328 Notice of Violation None NOV 07/20/2010 for US DEPT OF THE INTERIOR SSOMUNISML 07/20/2010 Historical
378326 Notice of Violation None NOV 07/20/2010 for US DEPT OF THE INTERIOR SSOMUNISML 07/20/2010 Historical
378322 Notice of Violation None NOV 07/20/2010 for US DEPT OF THE INTERIOR SSOMUNISML 07/20/2010 Historical
221221 Clean-up and Abatement Order 95-064 Enforcement - 3 420000N57 UNREGS 08/18/1995 Active
Total Enforcement Actions: 10
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 06/27/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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