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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
S673349 Intuitive Surgical Inc Privately-Owned Business 950 Kifer Rd Sunnyvale, CA 94086 N/A N/A
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S942573 Gilroy B154 Santa Clara 3 Facility Discharger 04/17/2026 None
S923898 Intuitive Santa Clara 2 Facility Discharger 07/30/2024 None
S914948 Intuitive Santa Clara 2 Facility Discharger 08/04/2023 None
S875545 Inuitive RMA Santa Clara 2 Facility Discharger 08/29/2019 None
S914891 Intuitive Surgical 1450 Santa Clara 2 Facility Discharger 08/03/2023 None
S938239 B140 Access Road Santa Clara 2 Facility Discharger 10/29/2025 None
S924271 Intuitive Uranium Santa Clara 2 Facility Discharger 08/12/2024 None
S914928 Intuitive Surgical I&A Santa Clara 2 Facility Discharger 08/04/2023 None
S898403 Intuitive Surgical Santa Clara 2 Facility Discharger 09/21/2021 None
S924264 Intuitive Surgical 1450 Santa Clara 2 Facility Discharger 08/12/2024 None
S924265 Intuitive Surgical Santa Clara 2 Facility Discharger 08/12/2024 None
S914927 Intuitive Surgical Santa Clara 2 Facility Discharger 08/04/2023 None
S898401 Intuitive Surgical Santa Clara 2 Facility Discharger 09/21/2021 None
S924270 Intuitive Surgical Santa Clara 2 Facility Discharger 08/12/2024 None
S875417 Intutive I&A Santa Clara 2 Facility Discharger 08/29/2019 None
S914930 Intutive Surgical S&V manufacturing Santa Clara 2 Facility Discharger 08/04/2023 None
S914929 Intuitive Santa Clara 2 Facility Discharger 08/04/2023 None
S928316 Intuitive Santa Clara 2 Facility Discharger 01/28/2025 None
S924261 Intuitive Surgical I&A Santa Clara 2 Facility Discharger 08/12/2024 None
S924266 Intuitive Santa Clara 2 Facility Discharger 08/12/2024 None
S875547 Intuitive S&V Santa Clara 2 Facility Discharger 08/29/2019 None
S914871 Intuitive Surgical Santa Clara 2 Facility Discharger 08/02/2023 None
S899192 Intuitive Surgical RMA manufacturing Santa Clara 2 Facility Discharger 10/18/2021 None
S898409 Intuitive Santa Clara 2 Facility Discharger 09/21/2021 None
S924262 Intutive Surgical S&V manufacturing Santa Clara 2 Facility Discharger 08/12/2024 None
S898414 Intuitive Santa Clara 2 Facility Discharger 09/21/2021 None
S938858 B140 Santa Clara 2 Facility Discharger 11/20/2025 None
S916193 Intuitive Surgical Inc Bldg B140 Santa Clara 2 Facility Discharger 09/18/2023 None
S898745 ISI HQ South Building Santa Clara 2 Facility Discharger 09/30/2021 None
S898405 Intuitive Surgical Santa Clara 2 Facility Discharger 09/21/2021 None
Total Related Places: 30
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Mark Tiemeier Contact Owner Contact N/A N/A N/A
N/A Christopher Walsh Contact Owner Contact N/A N/A N/A
N/A Mark Tiemeier Contact Owner Contact N/A N/A N/A
N/A Christina Taft Richardt Contact Owner Contact N/A N/A N/A
Total Related Parties: 4
  
  
  
  
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?
S593702 Industrial 2 2 43NEC015344 Active INDSTW 2014-0057-DWQ 12/15/2025 None Discharger 11/20/2025 None None
S581210 Industrial 2 2 43NEC014261 Active INDSTW 2014-0057-DWQ 02/19/2025 None Discharger 01/28/2025 None None
S576186 Industrial 2 2 43NEC013842 Active INDSTW 2014-0057-DWQ 10/04/2024 None Discharger 08/12/2024 None None
S541825 Industrial 2 2 43NEC010075 Active INDSTW 2014-0057-DWQ 09/29/2021 None Discharger 09/21/2021 None None
S541822 Industrial 2 2 43NEC010074 Active INDSTW 2014-0057-DWQ 09/29/2021 None Discharger 09/21/2021 None None
S541816 Industrial 2 2 43NEC010073 Active INDSTW 2014-0057-DWQ 09/29/2021 None Discharger 09/21/2021 None None
S541813 Industrial 2 2 43NEC010072 Active INDSTW 2014-0057-DWQ 09/29/2021 None Discharger 09/21/2021 None None
S541810 Industrial 2 2 43NEC010071 Active INDSTW 2014-0057-DWQ 09/29/2021 None Discharger 09/21/2021 None None
S512425 Industrial 2 2 43NEC005566 Active INDSTW 2014-0057-DWQ 10/09/2019 None Discharger 08/29/2019 None None
S512423 Industrial 2 2 43NEC005565 Active INDSTW 2014-0057-DWQ 10/09/2019 None Discharger 08/29/2019 None None
S592945 Construction 2 2 43C410523 Active CONSTW 2009-0009-DWQ 11/13/2025 None Discharger 10/29/2025 None None
Total Regulatory Measures: 11
  
  
  
  
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
S444918 Notice of Violation None 2 43NEC005567 INDSTW 01/03/2022 Historical
S442097 Notice of Violation None 2 43NEC005567 INDSTW 10/18/2021 Historical
Total Enforcement Actions: 2
  
  
  
  
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: 05/08/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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