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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
477285 California Polytechnic State University - San Luis Obispo State Agency 1 Grand Avenue San Luis Obispo, CA 93407 805-765-2581(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
903599 Shepard Reservoir Emergency Repair Project San Luis Obispo 3 Dredge/Fill Site Owner 11/17/2025 None
898665 Cal Poly San Luis Obispo Water Reclamation Facility Project San Luis Obispo 3 Dredge/Fill Site Owner 01/16/2025 None
894358 Cal Poly San Luis Obispo Slack and Grand Faculty-Staff Housing Project San Luis Obispo 3 Dredge/Fill Site Owner 04/09/2024 None
891060 Shephard Overflow Emegency Repair Project San Luis Obispo 3 Dredge/Fill Site Owner 10/31/2023 None
883846 Cal Poly WRF San Luis Obispo 3 Wastewater Treatment Facility Owner and Operator 10/20/2022 None
859542 Peterson Ranch Emergency Road Repair San Luis Obispo 3 Dredge/Fill Site Owner 07/02/2019 None
795870 Nelson Reservoir Improvement Project, San Luis Obispo Cnty San Luis Obispo 3 Dredge/Fill Site Owner 06/20/2013 None
794818 Pennington Creek Wooden Bridge Removal San Luis Obispo 3 Dredge/Fill Site Owner 06/05/2013 None
780780 Avocado Orchard Erosion Control Project San Luis Obispo 3 Dredge/Fill Site Operator 04/30/2012 None
769105 Brizzolara Creek Box Cluvert Maintenance San Luis Obispo 1 Dredge/Fill Site Owner 07/28/2011 None
767723 Nelson Reservoir Culvert Replacement San Luis Obispo 3 Dredge/Fill Site Operator 06/22/2011 None
719210 Cal Poly Winery San Luis Obispo 3 Winery None None None
631723 CSU Cal Poly Slo CS San Luis Obispo 3 Collection_System Owner 04/06/2006 None
213019 California Polytechnic University, Confined Animal Waste San Luis Obispo 3 Educational Facilities Owner 06/09/2000 None
212504 CAL Poly - Swine Unit San Luis Obispo 3 Facility Owner 12/12/1969 None
212503 CAL Poly - Dairy Sciences San Luis Obispo 3 Facility Owner 03/11/1994 None
212502 CAL Poly - Beef Cattle Center San Luis Obispo 3 Facility Owner 10/11/1991 None
Total Related Places: 17
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
653591 Russ Caligiuri Person Legally Responsible Official 01/13/2026 None None
653141 Anthony Palazzo Person Legally Responsible Official 11/17/2025 None None
644607 Scott Bloom Person Legally Responsible Official 04/09/2024 None None
642497 Patrick Engels Person Legally Responsible Official 10/31/2023 None None
630950 Erin Winett Person Legally Responsible Official 04/05/2022 None None
528910 Joel Neel Person Legally Responsible Official 06/05/2013 None None
474514 Kim Porter (Busby) Person Legally Responsible Official 06/23/2008 None None
474514 Kim Porter (Busby) Person Legally Responsible Official 06/20/2013 None None
300089 Mark Hunter Person Legally Responsible Official 04/06/2006 04/12/2017 None
144720 Dave Ragsdale Person Enforcement Contact 09/13/2004 None None
101951 Ed Johnson Person Employee 03/11/1994 01/01/2004 None
12878 Dietterick, Brian Organization Contracted With (Passive) 06/24/2014 None Privately-Owned Business
Total Related Parties: 12
  
  
  
  
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?
390513 401 Certification 3 None Historical CERFILLEXC None 09/01/2010 08/31/2015 Discharger 06/05/2013 None N
384824 401 Certification 3 None Historical CERFILLEXC None 09/04/2012 09/03/2017 Discharger 04/30/2012 None N
391411 401 Certification 3 None Historical CERFILLEXC None 03/08/2013 03/07/2018 Discharger 06/20/2013 None N
301195 Enrollee 3 3SSO10235 Active SSOMUNISML 2022-0103-DWQ 09/12/2006 None Discharger 04/17/2006 None N
463343 Enrollee - WDR 3 34025WQ20 Active CERFILLEXC 2023-0058-DWQ 11/14/2025 None Discharger 11/17/2025 None N
459713 401 Certification 3 34024WQ35 Active CERFILLEXC None 05/30/2025 None Discharger 01/16/2025 None N
456511 401 Certification 3 34024WQ04 Active CERFILLEXC None 06/28/2024 None Discharger 04/09/2024 None N
454903 Enrollee - 401 Certification 3 34023WQ45 Historical CERFILLEXC 2018-0029-EXEC 11/02/2023 08/12/2024 Discharger 10/31/2023 None N
380553 401 Certification 3 34009WQ02 Historical CERFILLEXC None 05/04/2009 05/04/2014 Discharger 07/28/2011 None N
146670 WDR 3 3 405000005 Historical WDR 94-001 03/11/1994 07/10/2003 Discharger 03/11/1994 None N
131999 WDR 3 3 405000005 Historical WDR 03-0120 07/11/2003 None Discharger 07/11/2003 None N
147113 WDR 3 3 405000004 Historical WDR 91-044 10/11/1991 07/10/2003 Discharger 10/11/1991 None N
132001 WDR 3 3 405000004 Historical WDR 03-0122 07/11/2003 None Discharger 07/11/2003 None N
143468 WDR 3 3 405000002 Historical WDR 86-074 03/14/1986 07/10/2003 Discharger 03/14/1986 None N
132000 WDR 3 3 405000002 Historical WDR 03-0121 07/11/2003 None Discharger 07/11/2003 None N
142563 WDR 3 3 405000002 Historical WDR 69-012 12/12/1969 None Discharger 12/12/1969 None N
346635 Enrollee - Waiver 3 3 400608195 Active WDRINDFP R3-2017-0020 05/23/2008 None Discharger 06/12/2008 None N
131998 WDR 3 3 400006001 Active ANIWSTCOWS 2003-035 07/11/2003 None Discharger 07/11/2003 None N
Total Regulatory Measures: 18
  
  
  
  
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.
1115584 10/01/2022 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle, and had a population of Violation None Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1120065 01/09/2023 Surface Water As a direct result of the recent series of atmospheric river events, Cal Poly ex Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1105764 04/12/2022 Unauthorized Discharge 48,000 gallons of chilled water from rented temporary "skid" filtration system t Violation N Report Cal Poly SLO Utilidor (Central Boiler Plant and Distribution System) 448361 None Y
1105075 03/31/2022 Deficient Monitoring No pH readings for several ponds. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1096911 07/01/2021 Order Conditions Excess cattle at dairy unit. 523 in July and 519 in August and September. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1111904 01/06/2023 Order Conditions Cattle limit of 375 exceeded each month of quarter: report 481 head in May, 420 Violation None Report CAL Poly - Dairy Sciences null None N
1102865 08/25/2021 Order Conditions Cal Poly violated Provision D.1. by not implementing the WQMP. Violation None Inspection California Polytechnic University, Confined Animal Waste 131998 2003-035 Y
1102873 08/25/2021 Order Conditions Cal Poly violated Permit Section D.3 by not regularly evaluating and updating th Violation None Inspection California Polytechnic University, Confined Animal Waste 131998 2003-035 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: 8
*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
448362 Notice of Violation None NOV 06/28/2022 for California Polytechnic State University - San Luis Obispo DISCHSW 06/28/2022 Historical
445776 Notice of Violation None NOV 11/19/2021 for California Polytechnic State University - San Luis Obispo ANIWSTCOWS 11/19/2021 Historical
399524 Clean-up and Abatement Order R3-2014-0048 CAO R3-2014-0048 for Cal Poly St Univ SLO Utilidor Heating System NPDNONMUNIPRCS 12/03/2014 Historical
395429 Notice of Violation None NOV & 13267 03/20/2014 for Cal Poly SLO Utilidor Hot Water System Spills NPDNONMUNIPRCS 03/20/2014 Historical
340115 Notice of Violation None NOV for CAL POLY'S BULL TEST CENTER WDR 01/14/2008 Historical
321335 Admin Civil Liability R3-2006-0061 ACL Settlement Agreement R3-2006-0061 for Cal Poly State University WDR 03/09/2007 Historical
307936 Admin Civil Liability R3-2006-0061 ACL Complaint No. R3-2006-0061 for Cal Poly State University WDR 08/01/2006 Historical
307063 Oral Communication None Oral Communication for CAMPUSWIDE WQ PLAN WDR 05/08/2006 Historical
304737 Oral Communication None Oral communication for Campus WQ Plan WDR 08/01/2005 Historical
304300 Notice of Violation None NOV for Cal Poly, San Luis Obispo WDR 05/10/2006 Historical
255815 Notice of Violation UNKNOWN Enforcement - 3 400006001 WDR 11/23/2004 Historical
254560 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 09/13/2004 Historical
254086 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 10/19/2004 Historical
253374 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 07/27/2004 Historical
236449 Oral Communication UNKNOWN Enforcement - 3 405000004 WDR 07/16/2001 Historical
236363 Oral Communication UNKNOWN Enforcement - 3 405000002 WDR 08/09/2001 Historical
227413 Notice of Violation UNKNOWN Enforcement - 3 405000002 WDR 11/22/2000 Historical
227412 Notice of Violation UNKNOWN Enforcement - 3 405000004 WDR 11/22/2000 Historical
Total Enforcement Actions: 18
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
132467 Dietterick, Brian Waiver TH 07/09/2004 Historical
Total Regulatory Measures linked to Related Parties: 1
  
  
The current report was generated with data as of: 06/10/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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