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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
S50929 Williams Selyem LLC Privately-Owned Business 7227 Westside Rd Healdsburg, CA 95448 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
S841028 Estate Facility Sonoma 2 Facility Discharger 09/28/2015 None
S933386 Williams Selyem LLC Sonoma 1 Facility Discharger 07/15/2025 None
S915043 Williams Selyem Winery Sonoma 1 Facility Discharger 08/08/2023 None
S272613 Williams Selyem LLC Sonoma 1 Facility Discharger 09/01/2005 None
S651235 Williams Selyem Litton Winery Sonoma 1 Facility Discharger 06/01/2007 None
S896509 Williams Selyem LLC Sonoma 1 Facility Discharger 07/22/2021 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
N/A Andrew Ferrol Contact Owner Contact N/A N/A N/A
N/A Charles Gangnath Contact Owner Contact N/A N/A N/A
N/A Chuck Gangnath Contact Owner Contact N/A N/A N/A
Total Related Parties: 3
  
  
  
  
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?
S464147 Industrial 2 2 49I026225 Active INDSTW 2014-0057-DWQ 10/21/2015 None Discharger 09/28/2015 None None
S178880 Industrial 1 1 49I014083 Active INDSTW 2014-0057-DWQ 06/10/1998 None Discharger 09/01/2005 None None
S587315 Industrial 1 1 49I031333 Active INDSTW 2014-0057-DWQ 11/06/2025 None Discharger 07/15/2025 None None
Total Regulatory Measures: 3
  
  
  
  
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.
S892985 07/15/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation N Report Estate Facility S464147 2014-0057-DWQ Y
S894529 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Williams Selyem Winery S564405 2009-0009-DWQ Y
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: 2
*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
S350958 Notice of Non-Compliance for Non-Filers None 1 49I014083 INDSTW 08/08/2008 Active
S409705 1st Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 08/03/2012 Active
S406837 2nd Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 10/07/2011 Active
S406836 1st Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 08/08/2011 Active
S402858 1st Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 08/04/2010 Active
S402904 2nd Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 09/23/2010 Active
S413696 1st Annual Report Notice of Non-Compliance None 1 49I014083 INDSTW 08/15/2013 Historical
S457514 Notice of Violation None 2 49I026225 INDSTW 08/08/2025 Active
S459378 Notice of Violation None 1 49C401663 CONSTW 09/05/2025 Active
Total Enforcement Actions: 9
  
  
  
  
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: 12/22/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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