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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
S626612 Ronald Matulich Privately-Owned Business P O Box 217 Drytown, CA 95699 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
S851814 Indian Hill Processing, Inc. Amador 5S Facility Discharger 12/09/2016 None
S827713 Upper Dry Creek Slate Mine Amador 5S Facility Discharger 01/30/2014 None
Total Related Places: 2
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Ronald Matulich Contact Owner Contact N/A N/A N/A
Total Related Parties: 1
  
  
  
  
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?
S481401 Industrial 5S 5S03I026976 Active INDSTW 2014-0057-DWQ 12/23/2016 None Discharger 12/09/2016 None None
S444147 Industrial 5S 5S03I024661 Active INDSTW 2014-0057-DWQ 01/30/2014 None Discharger 01/30/2014 None None
Total Regulatory Measures: 2
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
S889924 07/16/2023 SW - Late Report Failure to submit 2022 - 2023 Annual Report by due date Violation N Report Indian Hill Processing, Inc. S481401 2014-0057-DWQ Y
S890016 07/16/2024 SW - Late Report Failure to submit 2023 - 2024 Annual Report by due date Violation N Report Upper Dry Creek Slate Mine S444147 2014-0057-DWQ Y
S892879 07/15/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation N Report Upper Dry Creek Slate Mine S444147 2014-0057-DWQ Y
S883281 07/15/2021 SW - Late Report Late 2020-2021 Annual Report Violation N Report Indian Hill Processing, Inc. S481401 2014-0057-DWQ Y
S876647 01/01/2021 SW - Late Report Late 2020-2021 Level 1 ERA Report Violation N Report Indian Hill Processing, Inc. S481401 2014-0057-DWQ Y
S889932 07/16/2023 SW - Late Report Failure to submit 2022 - 2023 Annual Report by due date Violation N Report Upper Dry Creek Slate Mine S444147 2014-0057-DWQ Y
S890006 07/16/2024 SW - Late Report Failure to submit 2023 - 2024 Annual Report by due date Violation N Report Indian Hill Processing, Inc. S481401 2014-0057-DWQ Y
S892949 07/15/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation N Report Indian Hill Processing, Inc. S481401 2014-0057-DWQ Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 8
*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
S463531 Notice of Violation None 5S03I026976 INDSTW 09/10/2025 Active
S463530 Notice of Violation None 5S03I024661 INDSTW 09/10/2025 Active
S457478 Notice of Violation None 5S03I026976 INDSTW 08/08/2025 Active
S457408 Notice of Violation None 5S03I024661 INDSTW 08/08/2025 Active
S455299 2nd Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 10/29/2024 Active
S455246 2nd Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 10/29/2024 Active
S455219 2nd Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 10/29/2024 Active
S455185 2nd Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 10/29/2024 Active
S454387 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 09/09/2024 Active
S454377 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 09/09/2024 Active
S454303 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 09/09/2024 Active
S454295 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 09/09/2024 Active
S448152 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 08/30/2021 Historical
S440372 Notice of Violation None 5S03I026976 INDSTW 03/12/2021 Active
S439193 2nd Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 11/09/2020 Active
S439192 2nd Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 11/09/2020 Active
S438420 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 08/17/2020 Active
S438419 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 08/17/2020 Active
S438280 Verbal Communication None 5S03I024661 INDSTW 09/04/2020 Active
S433830 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 08/27/2019 Historical
S433828 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 08/27/2019 Historical
S426716 1st Annual Report Notice of Non-Compliance None 5S03I026976 INDSTW 08/03/2017 Historical
S426556 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 08/03/2017 Historical
S423966 1st Annual Report Notice of Non-Compliance None 5S03I024661 INDSTW 09/12/2016 Historical
Total Enforcement Actions: 24
  
  
  
  
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: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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