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California Integrated Water Quality System Project (CIWQS)
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Place ID 246217 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
2 246217 Oro Loma/Castro Valley SD WPCP Wastewater Treatment Facility 2600 Grant San Lorenzo, CA, 94580 Alameda
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
633280 Person Natlie Lee Case Worker 04/06/2023
637216 Person Jimmy Dang Is Onsite Manager For 02/08/2023
525750 Person Gene Palop Is Onsite Manager For 08/23/2022 02/28/2024
545172 Person Manuel Ramos Talledo-Garcia Is Onsite Manager For 01/28/2021 04/06/2023
620242 Person Adrian Calderon-Flores Is Onsite Manager For 11/25/2020
542478 Person James Parrish Case Worker 08/20/2014 04/05/2023
532460 Person Rodney Smith Is Onsite Manager For 03/22/2012 02/28/2024
528925 Person Guy Moy Is A Data Submitter For 01/05/2012 01/25/2016
529487 Person Sara Burke Is A Data Submitter For 10/06/2011
467421 Person Jason Warner Is Onsite Manager For 03/28/2011 05/11/2023
299760 Person Roland Williams Contact 09/21/2007 03/28/2011
364192 Person Heather Ottaway Case Worker 01/29/2007 06/15/2011
299436 Organization Castro Valley Sanitary District Owner Special District 06/20/1984
32789 Organization Oro Loma Sanitary District Owner Special District 06/20/1984
Total Related Parties: 14
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
163164 Unregulated 2 PTPRG 2 019032001 Never Active N
448549 NPDES Permit 2 NPDMUNILRG R2-2022-0023 2 019123001 09/01/2022 08/31/2027 Active N
450831 Co-Permitee 2 NPDMUNILRG R2-2022-0023 2 01NPI415018 09/01/2022 08/31/2027 Active N
430628 Co-Permitee 2 NPDMUNILRG R2-2019-0017 2 019032001 07/01/2019 06/30/2024 Active N
420108 NPDES Permit 2 NPDMUNILRG R2-2018-0010 2 019032001 01/01/2019 12/31/2023 Active Y
413161 NPDES Permit 2 NPDMUNILRG R2-2017-0016 2 019123001 07/01/2017 07/01/2022 Historical Y
416689 Co-Permitee 2 NPDMUNILRG R2-2017-0016 2 019032002 07/01/2017 Active N
415018 Co-Permitee 2 NPDMUNILRG R2-2017-0016 2 01NPI415018 07/01/2017 Historical N
389098 Co-Permitee 2 NPDMUNILRG R2-2017-0041 2 019032001 01/01/2013 12/31/2017 Active Y
382900 NPDES Permit 2 NPDMUNILRG R2-2012-0004 2 019123001 03/01/2012 02/28/2017 Historical Y
388119 NPDES Permit 2 NPDMUNILRG R2-2012-0004-04 2 019032001 03/01/2012 02/28/2017 Historical N
383588 Co-Permitee 2 NPDMUNILRG R2-2012-0004 2 019032002 03/01/2012 02/28/2017 Historical N
360502 Co-Permitee 2 NPDMUNILRG R2-2007-0077 2 019032001 03/01/2008 12/31/2012 Historical N
307632 NPDES Permit 2 NPDMUNILRG R2-2006-0053 2 019123001 10/01/2006 09/30/2011 Historical Y
307631 NPDES Permit 2 NPDMUNILRG R2-2006-0053-04 2 019032001 10/01/2006 09/30/2011 Historical N
148297 NPDES Permit 2 NPDMUNILRG R2-2000-0087-04 2 019032001 08/16/2000 08/16/2005 Historical Y
148293 NPDES Permit 2 NPDMUNILRG R2-2000-0087-01 2 019123001 08/16/2000 08/16/2005 Historical Y
143313 NPDES Permit 2 NPDMUNILRG 94-07204 2 019032001 06/15/1994 06/15/1999 Historical Y
141593 NPDES Permit 2 NPDMUNILRG 89-09804 2 019032001 06/21/1989 06/21/1994 Historical Y
145976 NPDES Permit 2 NPDMUNILRG 84-03004 2 019032001 06/20/1984 06/20/1989 Historical Y
Total Reg Measures: 20
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1123383 01/16/2023 OEV Fecal Coliform Event Discharge limit is 130 MPN/100 mL and reported value was 261.3 MPN/100 mL at EFF-002C. The local area was inundated with historical rainfalls, resulting in the plant receiving up to 99 mgd flows. These flows resulted in the treatment process deteriorating due to high stormwater infiltration and inflow. Violation U eSMR
1118707 01/16/2023 OEV Fecal Coliform Maximum Daily (MDEL) limit is 130.0 MPN/100 mL and reported value was 261.3 MPN/100 mL at EFF-002C. Violation B Report
1123382 01/09/2023 OEV Fecal Coliform Event Discharge limit is 130 MPN/100 mL and reported value was 658.7 MPN/100 mL at EFF-002C. The local area was inundated with historical rainfalls, resulting in the plant receiving up to 99 mgd flows. These flows resulted in the treatment process deteriorating due to high stormwater infiltration and inflow. Violation U eSMR
1118706 01/09/2023 OEV Fecal Coliform Maximum Daily (MDEL) limit is 130.0 MPN/100 mL and reported value was 2419.6 MPN/100 mL at EFF-002C. Violation B Report
1112786 12/31/2022 OEV Fecal Coliform Maximum Daily (MDEL) limit is 130 MPN/100 mL and reported value was 165 MPN/100 mL at EFF-002C. Rainfalls that resulted in the plant receiving over 100 MGD flows for over 14 hours exceeded plant design. Violation U eSMR
1112783 12/31/2022 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 ml/L and reported value was 26 ml/L at EFF-002C. Rainfalls that resulted in the plant receiving over 100 MGD flows for over 14 hours exceeded plant design. Violation U eSMR
1112784 12/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 44 mg/L at EFF-002C. Rainfalls that resulted in the plant receiving over 100 MGD flows for over 14 hours exceeded plant design. Violation B eSMR
1112787 12/31/2022 CAT2 Copper, Total Maximum Daily (MDEL) limit is 18 ug/L and reported value was 23 ug/L at EFF-002C. Rainfalls that resulted in the plant receiving over 100 MGD flows for over 14 hours exceeded plant design. Violation B eSMR
1112785 12/31/2022 CAT2 Copper, Total Monthly Average limit is 13 ug/L and reported value was 23 ug/L at EFF-002C. Rainfalls that resulted in the plant receiving over 100 MGD flows for over 14 hours exceeded plant design. Violation B eSMR
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 9 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) CAT2 = Category 2 Pollutant (Effluent Violation for Group 2 Pollutant)
OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
455266 Admin Civil Liability R2-2024-1017 03/05/2024 Historical
245893 Time Schedule Order R2-2003-0006 01/22/2003 Active
Total Enf Actions: 2
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
714074 A Type compliance inspection Matt Oxsalida N 0 Download
52005040 B Type compliance inspection Natlie Lee 06/05/2023 Y 0 Download
52058669 B Type compliance inspection Natlie Lee 06/05/2023 Y 0 Download
44083477 B Type compliance inspection James Parrish 06/03/2021 Y 0 [Attachments]
31912916 B Type compliance inspection James Parrish 03/29/2018 Y 0 Download
45514542 Preatment Audit Jennifer Ferrando 04/18/2017 N 0 [Attachments]
24505072 B Type compliance inspection James Parrish 05/16/2016 Y 0 Download
45514541 Pretreatment compliance Chuck Durham 03/16/2015 N 0 [Attachments]
11096139 B Type compliance inspection Craig Blett 11/08/2012 N 0 Download
5720625 Pretreatment compliance I-Hsin Lee 12/16/2010 N 0 Download
3397489 B Type compliance inspection Luz Slauter 10/14/2010 N 0 Download
2115064 B Type compliance inspection Mark Amendola 12/07/2009 N 0 Download
1634349 B Type compliance inspection Matt Oxsalida 01/28/2009 N 0 Download
337440 Preatment Audit Michael Chee 12/09/2004 Y 0 N/A
331854 Pretreatment compliance Michael Chee 10/17/2003 Y 0 N/A
331936 B Type compliance inspection Ray Balcom 10/03/2003 Y 0 N/A
327853 Pretreatment compliance Michael Chee 10/07/2002 Y 0 N/A
325691 B Type compliance inspection Ray Balcom 08/13/2002 Y 0 N/A
291401 B Type compliance inspection Ray Balcom 01/25/2002 Y 0 N/A
290822 Pretreatment compliance Michael Chee 10/02/2001 Y 0 N/A
291402 A Type compliance inspection Ray Balcom 06/20/2001 Y 0 N/A
291400 A Type compliance inspection Ray Balcom 11/23/1999 Y 0 N/A
291406 B Type compliance inspection Vijay Patel 08/27/1998 Y 0 N/A
291403 B Type compliance inspection Vijay Patel 01/15/1998 Y 0 N/A
291425 B Type compliance inspection Ray Balcom 08/27/1997 Y 0 N/A
291428 B Type compliance inspection Ray Balcom 10/25/1996 Y 0 N/A
291426 B Type compliance inspection Ray Balcom 10/15/1996 Y 0 N/A
291427 B Type compliance inspection Ray Balcom 08/19/1996 Y 0 N/A
291405 B Type compliance inspection Ray Balcom 09/25/1995 Y 0 N/A
291407 B Type compliance inspection Ray Balcom 08/02/1995 Y 0 N/A
291408 B Type compliance inspection Ray Balcom 10/21/1994 Y 0 N/A
291404 A Type compliance inspection Vijay Patel 12/21/1993 Y 0 N/A
Total Inspections: 32 Last Inspection: 06/05/2023
  
The current report was generated with data as of: 05/17/2024
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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