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California Integrated Water Quality System Project (CIWQS)
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Place ID 248185 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
3 248185 PG&E Diablo Canyon Power Plant Power Plant 9 Miles Nw Avila Beach Avila Beach, CA, 93424 San Luis Obispo
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
649236 Person Vinay Panwar Is A Data Submitter For 10/13/2025
649236 Person Vinay Panwar Is A Data Submitter For 02/12/2025 10/10/2025
642264 Person Trevor David Rebel Is Onsite Manager For 10/24/2023
642262 Person Brandon Griffin Is A Data Submitter For 10/19/2023 10/13/2025
639259 Person Steven Richard Pengilley Is A Data Submitter For 07/21/2023
628252 Person David Valentine Is Onsite Manager For 10/22/2021
493386 Person Ninah Hartley Is A Data Submitter For 01/14/2020
569323 Person David Alvarado Is A Data Submitter For 12/08/2017
554985 Person david cortina Is Onsite Manager For 03/22/2016
553370 Person Merrie Ann Johnson Is A Data Submitter For 10/15/2015 01/14/2020
532719 Person Lisa Camarda Is A Data Submitter For 04/03/2012 01/22/2024
527513 Person Kenneth Cortese Is Onsite Manager For 06/24/2011
139174 Person Peter Von Langen Case Worker 10/25/2010
523534 Person John Knemever Is A Data Submitter For 07/08/2010 08/20/2012
523531 Person Jeffrey Gardner Is Onsite Manager For 07/08/2010 10/07/2013
523529 Person Brad Hinds Is Onsite Manager For 07/08/2010 08/20/2012
523535 Person James L Kelly Is A Data Submitter For 07/08/2010 08/22/2018
523536 Person Clint Gans Is A Data Submitter For 07/08/2010 10/12/2021
523533 Person Bryan Cunningham Is Onsite Manager For 07/08/2010
35210 Organization Pacific Gas & Electric Company Avila Beach Owner Privately-Owned Business 11/10/1994
Total Related Parties: 20
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
163724 Unregulated 3 TPCA 3 402003001 Historical N
163725 Unregulated 3 DISCHLND 3 402003001 Historical N
144201 NPDES Permit 3 NPDINDLRG R3-1990-0009 3 402003001 05/11/1990 07/01/1995 Active N
143162 NPDES Permit 3 NPDESWW 85-101 3 402003001 07/12/1985 07/01/1990 Historical N
143020 NPDES Permit 3 NPDESWW 82-024 3 402003001 01/25/1982 01/01/1986 Historical N
143534 NPDES Permit 3 NPDESWW 76-011 3 402003001 09/09/1976 01/01/1981 Historical N
142892 NPDES Permit 3 NPDESWW 74-041 3 402003001 01/01/1974 01/01/1979 Historical N
Total Reg Measures: 7
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1134388 05/31/2024 DMON Per cover letter, "On June 27, 2024, the DCPP Chemistry department discovered that the May 2024 001P (Seawater RO System Blowdown) pH and TSS analysis were not performed." Violation B Report
1147577 12/21/2021 ATOX Acute Toxicity 6-Month Median limit is 0.26 TUa and reported value was 1 TUa at M-001. Violation A Report
1135223 11/16/2021 CAT1 Oil and Grease Daily Maximum limit is 20 mg/L and reported value was 23.6 mg/L at M-001F. Violation B Report
1147576 09/30/2021 ATOX Acute Toxicity 6-Month Median limit is 0.26 TUa and reported value was 1 TUa at M-001. Violation A Report
1147575 06/30/2021 ATOX Acute Toxicity 6-Month Median limit is 0.26 TUa and reported value was 1 TUa at M-001. Violation A Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 5 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
ATOX = Acute Toxicity CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant)
DMON = Deficient Monitoring
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
393409 Admin Civil Liability R3-2013-0056 07/03/2015 Historical
353204 Expedited Payment Letter SWB-2008-3-0012 07/01/2008 Withdrawn
Total Enf Actions: 2
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
60703652 B Type compliance inspection Drew Friedrichs (Multiple) 07/16/2025 N 0 N/A
59683274 B Type compliance inspection Mark Lemus 03/21/2025 N 0 N/A
54407186 B Type compliance inspection Peter Von Langen 01/17/2024 N 0 N/A
50613247 B Type compliance inspection Peter Von Langen 02/07/2023 N 0 N/A
47078493 B Type compliance inspection Peter Von Langen 03/02/2022 N 0 N/A
43296038 B Type compliance inspection Peter Von Langen 03/01/2021 N 0 N/A
33085253 B Type compliance inspection Peter Von Langen 06/27/2018 N 0 N/A
22089585 B Type compliance inspection Peter Von Langen 10/16/2015 N 0 N/A
20736211 B Type compliance inspection Peter Von Langen 05/13/2015 N 0 N/A
16795684 B Type compliance inspection Peter Von Langen 06/27/2014 N 0 N/A
12063449 B Type compliance inspection Peter Von Langen 04/03/2013 N 0 N/A
6772186 Prerequirement inspection Erin Mustain (Multiple) 11/09/2011 N 0 N/A
2498073 B Type compliance inspection Peter Von Langen 06/28/2010 N 0 Download
1775744 B Type compliance inspection Peter Von Langen 06/29/2009 N 0 N/A
1454579 B Type compliance inspection Peter Von Langen 06/27/2008 Y 0 N/A
1112890 B Type compliance inspection Peter Von Langen 06/25/2007 Y 0 N/A
600838 B Type compliance inspection Peter Von Langen 10/27/2005 Y 0 N/A
600837 B Type compliance inspection Peter Von Langen 08/03/2005 Y 0 N/A
331052 A Type compliance inspection Michael James Thomas 07/23/2002 Y 0 N/A
292384 B Type compliance inspection Michael James Thomas 06/25/2002 Y 0 N/A
292383 B Type compliance inspection Michael James Thomas 02/14/2001 Y 0 N/A
292382 B Type compliance inspection Michael James Thomas 05/17/2000 Y 0 N/A
292381 B Type compliance inspection Michael James Thomas 06/26/1999 Y 0 N/A
292385 B Type compliance inspection Mike Higgins 04/06/1999 Y 0 N/A
292403 B Type compliance inspection Sorrel Marks 08/05/1997 Y 0 N/A
292404 B Type compliance inspection Sorrel Marks 11/20/1996 Y 0 N/A
Total Inspections: 26 Last Inspection: 07/16/2025
  
The current report was generated with data as of: 11/13/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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