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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
624262 Stevens Creek Quarry, Inc. Privately-Owned Business 12100 Stevens Canyon Road Cupertino, CA 95014 408-253-2512 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
863643 Stevens Creek Quarry Santa Clara 2 Sand and Gravel Mining Owner and Operator 05/12/2021 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
629636 Ryan Charney Person Data Submitter 12/08/2021 None None
627845 Neftali Romero Person Data Submitter 09/27/2021 None None
629196 Lisa Welsh Person Data Submitter 11/19/2021 None None
627172 Julio Cazares Person Data Submitter 08/26/2021 None None
624263 Jason Voss Person Legally Responsible Official 05/12/2021 None None
364108 Adrienne Miller Person Data Submitter 08/26/2021 None None
Total Related Parties: 6
  
  
  
  
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?
443276 NPDES Permit 2 2 43I006687 Active NPDMINING R2-2021-0010 07/01/2021 None Discharger 05/12/2021 None N
Total Regulatory Measures: 1
  
  
  
  
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.
1125371 02/01/2024 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1125370 02/01/2024 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 9.8 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1124651 01/22/2024 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1124650 01/22/2024 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1124649 01/22/2024 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 9.8 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123577 12/18/2023 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 7.3 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123576 02/28/2023 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 5.9 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123575 01/05/2023 CAT2 Lead, Total Monthly Average limit is 8.1 ug/L and reported value was 16 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123574 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123573 01/05/2023 Surface Water Exceedance of R2-2021-0010, Section V. pH, Instantaneous Maximum limit is <6.5; Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123572 01/05/2023 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123571 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123570 12/18/2023 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123569 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123568 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123567 01/05/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.75 SU at EFF-0 Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123566 01/09/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.93 SU at EFF-0 Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123565 01/05/2023 CAT2 Nickel, Total Maximum Daily (MDEL) limit is 93 ug/L and reported value was 130 u Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123564 01/05/2023 CAT2 Copper, Total Maximum Daily (MDEL) limit is 35 ug/L and reported value was 65 ug Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123563 01/05/2023 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 65 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123381 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123380 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123379 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1123378 12/18/2023 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1123377 12/31/2023 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 7.3 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1123376 12/18/2023 Deficient Monitoring Exceedance of R2-2021-0010, Section V. SCQ did not sample for Dissolved Oxygen i Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N
1115052 02/28/2023 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 5.9 ug/L Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114161 01/05/2023 CAT2 Copper, Total Daily Maximum limit is 34 ug/L and reported value was 65 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114160 01/09/2023 OEV pH Daily Maximum limit is 8.9 SU and reported value was 8.93 SU at EFF-006. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114159 01/31/2023 CAT2 Lead, Total Monthly Average limit is 8.1 ug/L and reported value was 16 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114158 01/05/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.75 SU at EFF-0 Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114157 01/31/2023 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 65 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1114156 01/31/2023 CAT2 Nickel, Total Monthly Average limit is 93 ug/L and reported value was 130 ug/L a Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1103740 03/28/2022 CAT2 Copper, Total Daily Maximum limit is 34 ug/L and reported value was 43 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1103739 03/31/2022 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 26 ug/L a Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1103738 03/28/2022 CAT2 Chromium (VI) Daily Maximum limit is 16 ug/L and reported value was 26 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1103737 03/31/2022 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 43 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1103736 03/31/2022 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 23 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099665 12/13/2021 CAT2 Nickel, Total Monthly Average limit is 93 ug/L and reported value was 120 ug/L a Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099664 12/13/2021 CAT2 Lead, Total Monthly Average limit is 8.1 ug/L and reported value was 9.6 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099663 12/13/2021 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 12 ug/L a Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099662 12/13/2021 CAT2 Lead, Total Monthly Average limit is 8.1 ug/L and reported value was 13 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099661 12/13/2021 CAT2 Chromium (VI) Daily Maximum limit is 16 ug/L and reported value was 26 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099660 12/13/2021 CAT2 Copper, Total Daily Maximum limit is 34 ug/L and reported value was 46 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099659 12/13/2021 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 46 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099658 12/13/2021 CAT2 Copper, Total Daily Maximum limit is 34 ug/L and reported value was 76 ug/L at E Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099657 12/13/2021 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 76 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099656 12/13/2021 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 26 ug/L a Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y
1099649 10/25/2021 CAT2 Copper, Total Monthly Average limit is 14 ug/L and reported value was 25 ug/L at Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 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: 49
*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
444599 Cease and Desist Order R2-2021-0011 Cease and Desist Order R2-2021-0011 for Cupertino Quarry (Stevens Creek Quarry, Inc.) NPDMINING 07/01/2021 Active
Total Enforcement Actions: 1
  
  
  
  
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: 05/15/2024
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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