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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
S606713 East Bay Municipal Utility District Construction Division Privately-Owned Business PO Box 24055 Oakland, CA 94623 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
S930377 Fay Hill PP Replacement Rheem PP Improvements & Fay Hill PP Vault Demo Contra Costa 2 Facility Discharger 04/15/2025 None
S929071 Carter and Arroyo Reservoirs Replacement Contra Costa 2 Facility Discharger 02/25/2025 None
S927042 Orinda Westside Pumping Plant Contra Costa 2 Facility Discharger 12/02/2024 None
S915491 Wildcat Pipeline Improvements El Cerrito EBMUD Contra Costa 2 Facility Discharger 08/22/2023 None
S913432 Upper San Leandro Water Treatment Plant Alameda 2 Facility Discharger 06/07/2023 None
S913430 EBMUD Projects Sobrante Water Treatment Plant Contra Costa 2 Facility Discharger 06/07/2023 None
S905487 Orinda Water Treatment Plant Chemical Systems Safety Improvements Project Contra Costa 2 Facility Discharger 06/23/2022 None
S904984 Happy Valley and Sunnyside Pumping Plants and Happy Valley Pipeline Ph 2 Improvements Contra Costa 2 Facility Discharger 06/02/2022 None
S904758 Briones Outlet Tower Seismic Upgrade Contra Costa 2 Facility Discharger 05/24/2022 None
S904732 Mokelumne Aqueduct No 2 Relining Phase 1 San Joaquin 5S Facility Discharger 05/23/2022 None
S904260 Orinda Lafayette Walnut Creek EBMUD Treatment Plants Contra Costa 2 Facility Discharger 05/03/2022 None
S896851 Moraga Creek Flood & Erosion Control Contra Costa 2 Facility Discharger 08/04/2021 None
S892094 Seneca Reservoir Demolition Alameda 2 Facility Discharger 03/23/2021 None
S888514 Derby Reservoir Rehabilitation Contra Costa 2 Facility Discharger 12/08/2020 None
S887085 Derby Reservoir Rehabilitation Contra Costa 2 Facility Discharger 10/20/2020 None
S884422 Camanche Water Transmission Pipeline Phase 2 Amador 5S Facility Discharger 07/24/2020 None
S878703 Maloney Pumping Plant and Sobrante Water Treatment Plant Contra Costa 2 Facility Discharger 01/21/2020 None
S877098 Birch Reservoirs Rehabilitation Contra Costa 2 Facility Discharger 11/05/2019 None
S876308 Bayfair Pumping Plant Peralta Regulator Replacment Alameda 2 Facility Discharger 10/02/2019 None
S872359 San Pablo Clearwell and Rate Control Station Replacement Contra Costa 2 Facility Discharger 04/29/2019 None
S858750 South Reservoir Replacement Alameda 2 Facility Discharger 09/12/2017 None
S847550 Chabot Dam Alameda 2 Facility Discharger 06/22/2016 None
S837408 San Ramon Valley Recycled Water Pipelines Contra Costa 2 Facility Discharger 07/09/2015 None
S836978 Pardee Recreation Area RV Park Improvements Amador 5S Facility Discharger 07/01/2015 None
S833580 Summit Reservoir Alameda 2 Facility Discharger 01/29/2015 None
S826393 Dingee Pipeline and Claremont Center Aqueducts Replacements Alameda 2 Facility Discharger 10/23/2013 None
S815675 Estates Reservoir Alameda 2 Facility Discharger 03/15/2012 None
S807559 San Ramon Valley Recycled Water Project Ph 2B Alcosta Blvd Contra Costa 2 Facility Discharger 01/25/2011 None
S806329 San Ramon Valley Recycled Water Project Contra Costa 2 Facility Discharger 11/01/2010 None
S806288 Schapiro Reservoir Replacement Contra Costa 2 Facility Discharger 10/29/2010 None
S803846 Highland Reservoir Specification 1991 Contra Costa 2 Facility Discharger 06/23/2010 None
S719786 East Area Service Center Seismic Safety & ADA Improvements Contra Costa 2 Facility Discharger 06/18/2008 None
Total Related Places: 32
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Michael Hartlaub Contact Owner Contact N/A N/A N/A
N/A Karl Tingwald Contact Owner Contact N/A N/A N/A
N/A Douglas Higashi Contact Owner Contact N/A N/A N/A
N/A Timothy Karlstrand Contact Owner Contact N/A N/A N/A
N/A Michiko Mares Contact Owner Contact N/A N/A N/A
N/A Karl Tingwald Contact Owner Contact N/A N/A N/A
N/A Benjamin Townley Contact Owner Contact N/A N/A N/A
N/A Brett Margosian Contact Owner Contact N/A N/A N/A
N/A Tim Karlstrand Contact Owner Contact N/A N/A N/A
N/A William Hosfeld Contact Owner Contact N/A N/A N/A
N/A Olujimi Yoloye Contact Owner Contact N/A N/A N/A
N/A Javier Prospero Contact Owner Contact N/A N/A N/A
N/A Ben Townley Contact Owner Contact N/A N/A N/A
N/A Cameron Miller Contact Owner Contact N/A N/A N/A
N/A William Hossfeld Contact Owner Contact N/A N/A N/A
Total Related Parties: 15
  
  
  
  
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?
S562175 Construction 2 2 07C400948 Active CONSTW 2009-0009-DWQ 06/12/2023 None Discharger 06/07/2023 None None
S551129 Construction 2 2 07C398063 Active CONSTW 2009-0009-DWQ 07/15/2022 None Discharger 06/23/2022 None None
S550424 Construction 2 2 07C397710 Active CONSTW 2009-0009-DWQ 06/07/2022 None Discharger 06/02/2022 None None
S583696 Construction 2 2 07C407011 Active CONSTW 2009-0009-DWQ 05/12/2025 None Discharger 04/15/2025 None None
S579635 Construction 2 2 07C407274 Active CONSTW 2009-0009-DWQ 06/05/2025 None Discharger 12/02/2024 None None
S582132 Construction 2 2 07C406643 Active CONSTW 2009-0009-DWQ 04/03/2025 None Discharger 02/25/2025 None None
S562177 Construction 2 2 01C400949 Active CONSTW 2009-0009-DWQ 06/12/2023 None Discharger 06/07/2023 None None
Total Regulatory Measures: 7
  
  
  
  
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.
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: 0
*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
S423649 Notice of Violation None 2 01C372288 CONSTW 08/12/2016 Active
S419457 Verbal Communication None 2 01C368155 CONSTW 04/09/2015 Active
S418459 Notice of Violation None 2 01C368155 CONSTW 01/15/2015 Historical
Total Enforcement Actions: 3
  
  
  
  
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: 07/08/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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