General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 320069 John Madigan null 1515 Clay Street 1400 Oakland, CA 94612 510-622-2405 jmadigan@waterboards.ca.gov Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 137758 San Francisco Bay Regional Water Quality Control Board Organization Employee 06/02/2006 null Waterboard 41591 South San Francisco City Organization Case Manager 04/23/2009 07/30/2010 Municipal 41561 Silicon Valley Clean Water Organization Case Manager 04/25/2006 01/06/2012 Special District 40516 SEWER AUTHORITY MID-COASTSIDE Organization Case Manager 05/23/2007 07/30/2010 Special District 39800 San Mateo City Organization Case Manager 04/23/2009 01/06/2012 City Agency 39685 San Francisco Airport Commission Organization Case Manager 04/23/2009 07/30/2010 City Agency 33649 City of Pacifica Organization Case Manager 04/23/2009 01/06/2012 City Agency 31673 North San Mateo County Sanitation District Organization Case Manager 04/24/2006 07/30/2010 Special District 28782 Millbrae City Organization Case Manager 04/25/2006 07/30/2010 City Agency 14384 East Bay Regional Park District, Union SD & EBDA Organization Case Manager 06/21/2011 01/06/2012 Special District 9704 Crockett Cogeneration Organization Case Manager 08/02/2010 01/06/2012 Privately-Owned Business 6755 C&H Sugar Organization Case Manager 08/02/2010 01/06/2012 Privately-Owned Business Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Violations within the past calendar 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. 1125837 07/13/2023 Failure to Notify The discharger failed to report the benzene and toluene violations that were received on July 13, 2023. The discharger replaced the granular activated carbon prior to taking the confirmation samples. The confirmation samples resulted in no results above the reporting limit. The discharger states the confirmation samples indicate the initial violation was a sampling error and did not report the exceedance. The Monitoring and Reporting Program requires violations be reported within 24-hours of the discharger becoming aware of the exceedance. Violation null Report Intuitive Surgical Inc. Headquarters - South Building 447290 R2-2017-0048 N 1125476 06/22/2023 CAT2 Toluene Maximum Daily (MDEL) limit is 0.50 ug/L and reported value was 1.6 ug/L. Violation null Report Intuitive Surgical Inc. Headquarters - South Building 447290 R2-2017-0048 N 1125474 06/22/2023 CAT2 Benzene Daily Maximum limit is 0.50 ug/L and reported value was 3.0 ug/L. Violation null Report Intuitive Surgical Inc. Headquarters - South Building 447290 R2-2017-0048 N 1125371 02/01/2024 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is 55 NTU and reported value was 57.18 NTU. 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 at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N 1125252 12/05/2023 CAT2 Chromium (VI) Monthly Average (Mean) limit is 8.10 ug/L and reported value was 11.5 ug/L. Violation null Report 580 Dubuque Avenue 447809 R2-2017-0048 N 1125131 10/03/2023 CAT2 Zinc, Total Recoverable Maximum Daily (MDEL) limit is 95 ug/L and reported value was 120 ug/L. Violation null Report 915 DeGuigne Drive Groundwater Treatment System 397989 R2-2017-0048 N 1124990 10/19/2023 CAT2 Zinc, Total Recoverable Maximum Daily (MDEL) limit is 95 ug/L and reported value was 120 ug/L. Violation null Report Former Teledyne-Singer Site 397961 R2-2017-0048 N 1124927 10/17/2023 CAT2 Xylenes, Total Maximum Daily (MDEL) limit is 0.5 ug/L and reported value was 6.2 ug/L. Violation null Report Lorentz Barrel & Drum Site, Shallow Groundwater Task Force (Operable Unit #2) 397970 R2-2017-0048 N 1124651 01/22/2024 Surface Water Exceedance of R2-2021-0010, Section V. Turbidity, Instantaneous Maximum limit is 55 NTU and reported value was 143.37 NTU. 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 90.9 NTU (10% increase from 82.65 NTU background level) and reported value was 205.12 NTU. 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 at EFF-004. 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 at EFF-004. 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 in milligrams per liter (mg/L). 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 in milligrams per liter (mg/L). 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 50 NTU and reported value was 127.47 NTU. 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 in milligrams per liter (mg/L). 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 in milligrams per liter (mg/L). 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 in milligrams per liter (mg/L). 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 in milligrams per liter (mg/L). 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 in milligrams per liter (mg/L). 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 50 NTU and reported value was 127.47 NTU. 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 at EFF-004. 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 in milligrams per liter (mg/L). Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N 1119623 08/09/2023 OEV TPH C13-C22 Daily Maximum limit is 50.0 mg/L and reported value was 56.0 mg/L. Violation null Report 399 West Java Drive 444267 R2-2017-0048 N 1119621 07/27/2023 OEV TPH C13-C22 Daily Maximum limit is 50 mg/L and reported value was 52 mg/L. Violation null Report 399 West Java Drive 444267 R2-2017-0048 N 1119522 06/30/2023 CAT2 Chromium (VI) Monthly Average limit is 8.1 ug/L and reported value was 14 ug/L. Violation null Report 580 Dubuque Avenue 447809 R2-2017-0048 Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 142470 San Francisco Bay Regional Water Quality Control Board WDR LNDISP 07/31/1996 Historical