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

  
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Place ID 209710 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
2 209710 Black Diamond Mines Waste Pile Somersville Road Antioch, CA, Contra Costa
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
544936 Person Sarah Acker Case Worker 11/30/2021 01/13/2023
14383 Organization East Bay Regional Park District Owner Special District 08/02/2001
Total Related Parties: 2
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
437754 Unregulated 2 LNDISPOTH SWPPP 2 071224001 01/01/2012 Active N
148483 Individual Monitoring Requirem 2 LFNONOPER LT010802 2 071224001 08/02/2001 08/02/2006 Active N
Total Reg Measures: 2
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0 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
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
47324326 B Type compliance inspection Sarah Acker 03/27/2022 N 0 Download
44949650 B Type compliance inspection Lindsay Whalin 03/22/2021 N 0 N/A
40119942 B Type compliance inspection Lindsay Whalin 04/17/2020 N 0 N/A
7753779 B Type compliance inspection Keith Roberson 03/27/2012 N 0 N/A
1863052 B Type compliance inspection Keith Roberson 09/24/2009 N 0 N/A
478336 B Type compliance inspection Keith Roberson 02/28/2006 N 0 N/A
485966 B Type compliance inspection Keith Roberson 10/24/2005 N 0 N/A
332932 B Type compliance inspection Tom Butler 01/09/2004 Y 0 N/A
331729 B Type compliance inspection Tom Butler 09/15/2003 Y 0 N/A
312811 B Type compliance inspection Tom Butler 01/25/2002 Y 0 N/A
312813 B Type compliance inspection Tom Butler 11/28/2001 Y 0 N/A
312812 Miscellaneous inspection Tom Butler 10/31/2001 Y 0 N/A
312814 B Type compliance inspection Tom Butler 03/09/2001 Y 0 N/A
Total Inspections: 13 Last Inspection: 03/27/2022
  
The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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