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California Integrated Water Quality System Project (CIWQS)
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Place ID 817642 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
1 817642 Waterfowl Winery Winery 14100 Mountain House Hopland, CA, 95449-9782 Mendocino
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
641752 Person Zach Rasmuson Contact 09/11/2023
552779 Person Michael Johnson Contact 08/27/2015
552777 Organization Duckhorn Wine Company Owner and Operator Privately-Owned Business 08/27/2015
552778 Person Cian Woods Contact 08/27/2015
378913 Organization RB Wine Associates, LLC Owner Privately-Owned Business 05/09/2007
378914 Person Bruce Lundquist Contact 05/09/2007
Total Related Parties: 6
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
325424 Enrollee 1 WDRINDFP R1-2002-0012 1B07061RMEN Never Active N
402633 Enrollee - WDR 1 WDRINDFP R1-2016-0002 1B15113RMEN 08/24/2018 01/28/2026 Active N
Total Reg Measures: 2
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1107900 06/15/2022 OEV Dissolved Oxygen Instantaneous Minimum limit is 1.0 mg/L and reported value was 0.6 mg/L. RE-CALIBRATE DO METER. Violation B Report
1086237 12/17/2020 OEV pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.46 SU. Violation B Report
1086235 12/14/2020 OEV pH Daily Maximum limit is 9.0 SU and reported value was 9.51 SU. Violation B Report
1086234 12/03/2020 OEV pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.29 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
Total Enf Actions: 0
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
25037399 B Type compliance inspection Rhonda Raymond 11/05/2015 N 0 N/A
16690534 B Type compliance inspection Scott Gergus 06/16/2014 N 0 N/A
Total Inspections: 2 Last Inspection: 11/05/2015
  
The current report was generated with data as of: 11/10/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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