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
556142 Soper Wheeler Company Privately-Owned Business 19855 Barton Hill Road Strawberry Valley, CA 95981 530-675-2343 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
872630 THP 2-14-064 Butte 5S Timber Harvesting Owner and Operator 03/02/2021 None
869374 THP 2-20-00161-PLU Spanish Valley Plumas 5R Timber Harvesting Owner and Operator 10/01/2020 None
866680 THP 2-13-002 BUT Bloomer Hill Butte 5R Timber Harvesting Owner and Operator 05/08/2020 None
862107 THP 2-18-0043-PLU Plan 6 Plumas 5R Timber Harvesting None None None
859570 THP 2-19-00081-PLU Sloat Plumas 5R Timber Harvesting None None None
859305 THP 1-19-083 MEN Devilbiss 15THP Mendocino 1 Timber Harvesting Owner and Operator 06/25/2019 None
847226 THP 2-18-00005-YUB Low Country Yuba 5R Timber Harvesting Owner and Operator 05/15/2018 None
830885 THP 2-16-084-PLU Spring Camp Plumas 5R Timber Harvesting Owner and Operator 12/20/2016 12/10/2020
827427 THP 2-09-066-YUB Peterson Ranch Yuba 5R Timber Harvesting Owner and Operator 08/22/2016 None
824371 THP 2-15-089-PLU Upper Lost Creek Plumas 5R Timber Harvesting Owner and Operator 05/04/2016 12/10/2020
815686 THP 2-15-018-PLU Icky Thump Plumas 5R Timber Harvesting None None None
Total Related Places: 11
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
556143 Peter Sundahl Person Legally Responsible Official 05/04/2016 None None
542115 Michael Tadlock Person Employee 06/25/2019 None None
471176 Paul Violetti Person Employee 08/22/2016 None None
88969 Ryan McKillop Person Legally Responsible Official 05/15/2018 None None
Total Related Parties: 4
  
  
  
  
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?
442427 Enrollee - WDR 5S None Active TH R5-2017-0061 06/08/2021 None Discharger 03/02/2021 None N
441099 Enrollee - WDR 5R None Historical TH R5-2017-0061 03/10/2021 03/10/2021 Discharger 10/30/2020 None N
431784 Enrollee - WDR 1 1B119083MEN Historical TH R1-2004-0030 02/06/2020 11/25/2024 Discharger 06/25/2019 None N
432849 Enrollee - WDR 5R None Historical TH R5-2017-0061 12/04/2019 08/19/2025 Discharger 07/03/2019 12/10/2020 N
434870 Enrollee - WDR 5R None Active TH R5-2017-0061 09/10/2019 None Discharger 10/15/2019 12/10/2020 N
421397 Enrollee - WDR 5R None Active TH R5-2017-0061 08/17/2018 None Discharger 05/15/2018 None N
419325 Enrollee - WDR 5R None Active TH R5-2017-0061 02/01/2018 None Discharger 02/01/2018 12/10/2020 N
438000 Enrollee - WDR 5R None Historical TH R5-2017-0061 02/01/2018 03/12/2021 Discharger 05/08/2020 None N
419328 Enrollee - WDR 5R None Historical TH R5-2017-0061 02/01/2018 08/19/2025 Discharger 02/01/2018 12/10/2020 N
419326 Enrollee - WDR 5R None Historical TH R5-2017-0061 02/01/2018 03/15/2022 Discharger 02/01/2018 12/10/2020 N
410956 Enrollee - Waiver 5R None Historical TH R5-2014-0144 04/11/2017 01/31/2018 Discharger 12/20/2016 None N
406012 Enrollee - Waiver 5R None Historical TH R5-2014-0144 07/25/2016 01/31/2018 Discharger 05/04/2016 None N
408388 Enrollee - Waiver 5R None Historical TH R5-2014-0144 12/09/2009 07/08/2016 Discharger 08/22/2016 None N
Total Regulatory Measures: 13
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
Report defaults to display violations within the last year. Click here to see last five years 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
401340 Paul Violetti Enrollee - Waiver TH 07/07/2016 Historical
399791 Paul Violetti Enrollee - Waiver TH None Historical
398356 Paul Violetti Enrollee - Waiver TH 04/16/2015 Historical
410956 Paul Violetti Enrollee - Waiver TH 04/11/2017 Historical
362720 Paul Violetti Enrollee - Waiver TH 10/15/2004 Active
400362 Paul Violetti Enrollee - Waiver TH 02/09/2015 Historical
408388 Paul Violetti Enrollee - Waiver TH 12/09/2009 Historical
387640 Paul Violetti Enrollee - Waiver TH 06/08/2012 Active
397494 Paul Violetti Enrollee - Waiver TH 03/31/2015 Historical
419520 Paul Violetti Enrollee - WDR TH 10/12/2017 Historical
367573 Paul Violetti Enrollee - WDR TH 07/06/2009 Active
346182 Paul Violetti Enrollee - WDR TH 04/22/2008 Active
443165 Peter Sundahl Enrollee - WDR TH 11/19/2021 Active
431784 Michael Tadlock Enrollee - WDR TH 02/06/2020 Historical
397506 Paul Violetti Enrollee TH None Historical
397508 Paul Violetti Enrollee TH None Historical
Total Regulatory Measures linked to Related Parties: 16
  
  
The current report was generated with data as of: 01/09/2026
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