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 28782 Millbrae City Organization Case Manager 04/25/2006 07/30/2010 City Agency 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 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 40516 SEWER AUTHORITY MID-COASTSIDE Organization Case Manager 05/23/2007 07/30/2010 Special District 31673 North San Mateo County Sanitation District Organization Case Manager 04/24/2006 07/30/2010 Special District 41561 Silicon Valley Clean Water Organization Case Manager 04/25/2006 01/06/2012 Special District 41591 South San Francisco City Organization Case Manager 04/23/2009 07/30/2010 Municipal 14384 East Bay Regional Park District, Union SD & EBDA Organization Case Manager 06/21/2011 01/06/2012 Special District 39800 San Mateo City Organization Case Manager 04/23/2009 01/06/2012 City Agency 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. 1139193 12/16/2024 CAT2 Chromium (VI) Daily Maximum limit is 16 ug/L and reported value was 40 ug/L at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y 1141717 02/28/2025 CAT2 Chromium (VI) Monthly Average (Mean) limit is 5.6 ug/L and reported value was 13 ug/L at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y 1143565 02/02/2025 Late Report Annual SMR ( MONNPDES ) report for 2024 (2992741) was due on 01-FEB-25 Violation null Report Phillips 66 (formerly ConocoPhillips) San Francisco Refinery, Rodeo 410166 R2-2016-0044 N 1148196 12/11/2024 OEV TPH as Kerosene Daily Maximum limit is 50 ug/L and reported value was 310 ug/L. Violation null Report Upper San Leandro Water Treatment Plant temporary structural dewatering 459182 R2-2017-0048 N 1138254 11/30/2024 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 7.6 ug/L at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y 1139194 12/31/2024 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 40 ug/L at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y 1139645 11/25/2024 Deficient Monitoring On November 25, SCQ collected an acute toxicity sample at EFF-004, which followed the proper sampling technique and occurred under normal ATS operating conditions. On November 26, 2024, discharge ceased from EFF-004. On November 27, SCQ was notified by the laboratory via email, that it did not conduct the acute toxicity test due to using the wrong sample for testing. Therefore, the original sample extended beyond the 36-hour hold time and the acute toxicity test could not be completed. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 N 1148197 12/11/2024 OEV TPH as Motor Oil Daily Maximum limit is 100 ug/L and reported value was 180 ug/L. Violation null Report Upper San Leandro Water Treatment Plant temporary structural dewatering 459182 R2-2017-0048 N 1140523 01/31/2025 CAT2 Chromium (VI) Monthly Average limit is 5.6 ug/L and reported value was 14 ug/L at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 Y 1140063 02/02/2025 Late Report Annual SMR ( MONNPDES ) report for 2024 (2436712) was due on 01-FEB-25 Violation null Report Benicia WWTP 435889 R2-2019-0034 N 1139195 12/16/2024 ATOX Acute Toxicity-Fathead Minnow-survival Instantaneous Minimum limit is 70 % survival and reported value was 65 % survival at EFF-004. Violation N eSMR Stevens Creek Quarry 443276 R2-2021-0010 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