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

  
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Place ID 214857 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
1 214857 Geyserville Winery Winery 19410 Geyserville Geyserville, CA, 95441 Sonoma
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
641751 Person Joseph Marchi Contact 09/21/2023
641752 Person Zach Rasmuson Contact 09/21/2023
552777 Organization Duckhorn Wine Company Owner and Operator Privately-Owned Business 09/11/2023
558403 Person Melanee Southard Contact 09/11/2023
622105 Person Raquel Barajas Contact 01/05/2021
553774 Organization E&J Gallo Winery Owner Privately-Owned Business 01/05/2021 09/11/2023
13312 Organization Constellation Brands US Operations Inc Owner Privately-Owned Business 07/28/2016 01/04/2021
558403 Person Melanee Southard Contact 07/28/2016 01/04/2021
8846 Organization Clos du Bois Wines Inc. Operator Privately-Owned Business 11/01/1990
Total Related Parties: 9
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
408006 Enrollee - WDR 1 WDRINDFP R1-2016-0002 1B90025RSON 02/16/2018 01/27/2026 Active N
349713 Enrollee - WDR 1 WDRINDFP R1-2002-0012 1B90025RSON 11/04/2010 11/04/2025 Historical N
139887 WDR 1 WDRINDIVLRG 98-102 1B90025RSON 09/24/1998 09/23/2008 Historical N
137299 WDR 1 WDRINDIVLRG 90-205 1B90025RSON 11/01/1990 10/29/2000 Historical N
Total Reg Measures: 4
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1106993 06/02/2022 OEV Dissolved Oxygen Instantaneous Minimum limit is 1.0 mg/L and reported value was 0.9 mg/L. Violation B Report
1106988 04/05/2022 OEV Dissolved Oxygen Instantaneous Minimum limit is 1.0 mg/L and reported value was 0.9 mg/L. Violation B Report
1106987 04/05/2022 OEV pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.2 SU. Violation B Report
1106986 03/07/2022 OEV pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.5 SU. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 4 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
227140 Oral Communication 06/27/2000 Historical
Total Enf Actions: 1
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
51335312 B Type compliance inspection Rachel Prat 04/18/2023 N 0 N/A
37164202 B Type compliance inspection Rhonda Raymond 02/12/2019 N 0 N/A
16862130 B Type compliance inspection Rhonda Raymond 07/02/2013 N 0 N/A
320156 B Type compliance inspection Mark Neely 10/03/2000 Y 0 N/A
320158 B Type compliance inspection Mark Neely 04/13/2000 Y 0 N/A
320153 B Type compliance inspection Rhonda Raymond 06/17/1999 Y 0 N/A
320154 B Type compliance inspection Rhonda Raymond 06/22/1998 Y 0 N/A
320155 B Type compliance inspection Rhonda Raymond 03/26/1998 Y 0 N/A
320150 B Type compliance inspection Rhonda Raymond 09/05/1997 Y 0 N/A
320151 B Type compliance inspection Rhonda Raymond 07/18/1997 Y 0 N/A
320152 B Type compliance inspection Rhonda Raymond 04/11/1996 Y 0 N/A
320160 A Type compliance inspection Nathan Quarles 04/21/1995 Y 0 N/A
320161 B Type compliance inspection Nathan Quarles 01/11/1995 Y 0 N/A
320162 B Type compliance inspection Nathan Quarles 08/18/1994 Y 0 N/A
320157 A Type compliance inspection Nathan Quarles 10/20/1993 Y 0 N/A
320159 B Type compliance inspection Nathan Quarles 05/03/1993 Y 0 N/A
320163 A Type compliance inspection Nathan Quarles 09/03/1992 Y 0 N/A
320164 A Type compliance inspection Nathan Quarles 04/24/1992 Y 0 N/A
Total Inspections: 18 Last Inspection: 04/18/2023
  
The current report was generated with data as of: 10/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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