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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
883846 Cal Poly WRF San Luis Obispo 3 Wastewater Treatment Facility Owner and Operator 10/20/2022 None
795870 Nelson Reservoir Improvement Project, San Luis Obispo Cnty San Luis Obispo 3 Dredge/Fill Site Owner 06/20/2013 None
213019 California Polytechnic University, Confined Animal Waste San Luis Obispo 3 Educational Facilities Owner 06/09/2000 None
212503 CAL Poly - Dairy Sciences San Luis Obispo 3 Facility Owner 03/11/1994 None
898665 Cal Poly San Luis Obispo Water Reclamation Facility Project San Luis Obispo 3 Dredge/Fill Site Owner 01/16/2025 None
212502 CAL Poly - Beef Cattle Center San Luis Obispo 3 Facility Owner 10/11/1991 None
794818 Pennington Creek Wooden Bridge Removal San Luis Obispo 3 Dredge/Fill Site Owner 06/05/2013 None
891060 Shephard Overflow Emegency Repair Project San Luis Obispo 3 Dredge/Fill Site Owner 10/31/2023 None
859542 Peterson Ranch Emergency Road Repair San Luis Obispo 3 Dredge/Fill Site Owner 07/02/2019 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
212504 CAL Poly - Swine Unit San Luis Obispo 3 Facility Owner 12/12/1969 None
769105 Brizzolara Creek Box Cluvert Maintenance San Luis Obispo 1 Dredge/Fill Site Owner 07/28/2011 None
631723 CSU Cal Poly Slo CS San Luis Obispo 3 Collection_System Owner 04/06/2006 None
767723 Nelson Reservoir Culvert Replacement San Luis Obispo 3 Dredge/Fill Site Operator 06/22/2011 None
780780 Avocado Orchard Erosion Control Project San Luis Obispo 3 Dredge/Fill Site Operator 04/30/2012 None
719210 Cal Poly Winery San Luis Obispo 3 Winery None None None
Total Related Places: 16
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
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 06/20/2013 None None
474514 Kim Porter (Busby) Person Legally Responsible Official 06/23/2008 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: 10
  
  
  
  
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?
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
391411 401 Certification 3 None Historical CERFILLEXC None 03/08/2013 03/07/2018 Discharger 06/20/2013 None N
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
380553 401 Certification 3 34009WQ02 Historical CERFILLEXC None 05/04/2009 05/04/2014 Discharger 07/28/2011 None N
346635 Enrollee - Waiver 3 3 400608195 Active WDRINDFP R3-2017-0020 05/23/2008 None Discharger 06/12/2008 None N
301195 Enrollee 3 3SSO10235 Active SSOMUNISML 2022-0103-DWQ 09/12/2006 None Discharger 04/17/2006 None N
132001 WDR 3 3 405000004 Historical WDR 03-0122 07/11/2003 None Discharger 07/11/2003 None N
131999 WDR 3 3 405000005 Historical WDR 03-0120 07/11/2003 None Discharger 07/11/2003 None N
131998 WDR 3 3 400006001 Active ANIWSTCOWS 2003-035 07/11/2003 None Discharger 07/11/2003 None N
132000 WDR 3 3 405000002 Historical WDR 03-0121 07/11/2003 None Discharger 07/11/2003 None N
146670 WDR 3 3 405000005 Historical WDR 94-001 03/11/1994 07/10/2003 Discharger 03/11/1994 None N
147113 WDR 3 3 405000004 Historical WDR 91-044 10/11/1991 07/10/2003 Discharger 10/11/1991 None N
143468 WDR 3 3 405000002 Historical WDR 86-074 03/14/1986 07/10/2003 Discharger 03/14/1986 None N
142563 WDR 3 3 405000002 Historical WDR 69-012 12/12/1969 None Discharger 12/12/1969 None N
Total Regulatory Measures: 17
  
  
  
  
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.
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
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
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
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
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
1102872 05/03/2021 Deficient Reporting 2021 First Quarter Report Missing Violation None Report California Polytechnic University, Confined Animal Waste 131998 2003-035 Y
1102871 01/31/2021 Deficient Reporting 2020 Annual Report Missing Violation None Report California Polytechnic University, Confined Animal Waste 131998 2003-035 Y
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
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
1093425 12/08/2020 Groundwater Downgradient wells MW-6 and MW-8, as well as mid-gradient well MW-1 experienced Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 Y
1093424 12/08/2020 OEV pH Instantaneous Maximum limit is 8.4 SU and reported value was 8.45 SU. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093423 12/01/2020 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle and population was 523 A Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093411 06/01/2021 Groundwater Downgradient wells MW-4 and MW-8, as well as mid-gradient well MW-1 had elevated Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 Y
1093410 06/02/2021 OEV pH Instantaneous Maximum limit is 8.6 SU and reported value was 9.82 SU. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093409 06/02/2021 OEV pH Instantaneous Maximum limit is 8.4 SU and reported value was 8.86 SU. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093407 06/01/2021 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle, and had a population of Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093406 05/01/2021 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle, and had a population of Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093405 04/01/2021 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle, and had a population of Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
1093404 05/01/2021 OEV pH Instantaneous Maximum limit is 8.6 SU and reported value was 9.88 SU. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N
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: 20
*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: 11/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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