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(+) null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 212502 CAL Poly - Beef Cattle Center San Luis Obispo 3 Facility Owner 10/11/1991 null 795870 Nelson Reservoir Improvement Project, San Luis Obispo Cnty San Luis Obispo 3 Dredge/Fill Site Owner 06/20/2013 null 213019 California Polytechnic University, Confined Animal Waste San Luis Obispo 3 Educational Facilities Owner 06/09/2000 null 212503 CAL Poly - Dairy Sciences San Luis Obispo 3 Facility Owner 03/11/1994 null 898665 Cal Poly San Luis Obispo Water Reclamation Facility Project San Luis Obispo 3 Dredge/Fill Site Owner 01/16/2025 null 883846 Cal Poly WRF San Luis Obispo 3 Wastewater Treatment Facility Owner and Operator 10/20/2022 null 780780 Avocado Orchard Erosion Control Project San Luis Obispo 3 Dredge/Fill Site Operator 04/30/2012 null 894358 Cal Poly San Luis Obispo Slack and Grand Faculty-Staff Housing Project San Luis Obispo 3 Dredge/Fill Site Owner 04/09/2024 null 212504 CAL Poly - Swine Unit San Luis Obispo 3 Facility Owner 12/12/1969 null 769105 Brizzolara Creek Box Cluvert Maintenance San Luis Obispo 1 Dredge/Fill Site Owner 07/28/2011 null 631723 CSU Cal Poly Slo CS San Luis Obispo 3 Collection_System Owner 04/06/2006 null 859542 Peterson Ranch Emergency Road Repair San Luis Obispo 3 Dredge/Fill Site Owner 07/02/2019 null 891060 Shephard Overflow Emegency Repair Project San Luis Obispo 3 Dredge/Fill Site Owner 10/31/2023 null 767723 Nelson Reservoir Culvert Replacement San Luis Obispo 3 Dredge/Fill Site Operator 06/22/2011 null 903599 Shepard Reservoir Emergency Repair Project San Luis Obispo 3 Dredge/Fill Site Owner 11/17/2025 null 719210 Cal Poly Winery San Luis Obispo 3 Winery None null null 794818 Pennington Creek Wooden Bridge Removal San Luis Obispo 3 Dredge/Fill Site Owner 06/05/2013 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 653141 Anthony Palazzo Person Legally Responsible Official 11/17/2025 null null 528910 Joel Neel Person Legally Responsible Official 06/05/2013 null null 644607 Scott Bloom Person Legally Responsible Official 04/09/2024 null null 474514 Kim Porter (Busby) Person Legally Responsible Official 06/23/2008 null null 144720 Dave Ragsdale Person Enforcement Contact 09/13/2004 null null 474514 Kim Porter (Busby) Person Legally Responsible Official 06/20/2013 null null 630950 Erin Winett Person Legally Responsible Official 04/05/2022 null null 642497 Patrick Engels Person Legally Responsible Official 10/31/2023 null null 101951 Ed Johnson Person Employee 03/11/1994 01/01/2004 null 300089 Mark Hunter Person Legally Responsible Official 04/06/2006 04/12/2017 null 653591 Russ Caligiuri Person Legally Responsible Official 01/13/2026 null null 12878 Dietterick, Brian Organization Contracted With (Passive) 06/24/2014 null Privately-Owned Business 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 380553 401 Certification 3 34009WQ02 401 Certification 05/04/2009 for California Polytechnic State University - San Luis Obispo Historical CERFILLEXC null 05/04/2009 05/04/2014 Discharger 07/28/2011 null 390513 401 Certification 3 null WQC 09/01/2010 for California Polytechnic State University - San Luis Obispo Historical CERFILLEXC null 09/01/2010 08/31/2015 Discharger 06/05/2013 null 384824 401 Certification 3 null 401 Cert 09/04/2012 for California Polytechnic State University Historical CERFILLEXC null 09/04/2012 09/03/2017 Discharger 04/30/2012 null 391411 401 Certification 3 null WQC 03/08/2013 for California Polytechnic State University - San Luis Obispo Historical CERFILLEXC null 03/08/2013 03/07/2018 Discharger 06/20/2013 null 459713 401 Certification 3 34024WQ35 401 Cert for California Polytechnic State University - San Luis Obispo Active CERFILLEXC null 05/30/2025 null Discharger 01/16/2025 null 456511 401 Certification 3 34024WQ04 401 Cert for California Polytechnic State University - San Luis Obispo Active CERFILLEXC null 06/28/2024 null Discharger 04/09/2024 null 301195 Enrollee 3 3SSO10235 Enrollee of SB SSO WDR for Cal Poly State University, SLO Active SSOMUNISML 2022-0103-DWQ 09/12/2006 null Discharger 04/17/2006 null 454903 Enrollee - 401 Certification 3 34023WQ45 DRAFT Enrollee - 401 Certification for California Polytechnic State University - San Luis Obispo Historical CERFILLEXC 2018-0029-EXEC 11/02/2023 08/12/2024 Discharger 10/31/2023 null 463343 Enrollee - WDR 3 34025WQ20 Enrollee - WDR for California Polytechnic State University - San Luis Obispo Active CERFILLEXC 2023-0058-DWQ 11/14/2025 null Discharger 11/17/2025 null 346635 Enrollee - Waiver 3 3 400608195 Enrollee under Winery Waiver for Cal Poly Winery Active WDRINDFP R3-2017-0020 05/23/2008 null Discharger 06/12/2008 null 131999 WDR 3 3 405000005 WDR 03-0120 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 03-0120 07/11/2003 null Discharger 07/11/2003 null 146670 WDR 3 3 405000005 WDR 94-001 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 94-001 03/11/1994 07/10/2003 Discharger 03/11/1994 null 131998 WDR 3 3 400006001 WDR 2003-035 for CALIF POLYTECHNIC UNIVERSITY Active ANIWSTCOWS 2003-035 07/11/2003 null Discharger 07/11/2003 null 143468 WDR 3 3 405000002 WDR 86-074 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 86-074 03/14/1986 07/10/2003 Discharger 03/14/1986 null 132001 WDR 3 3 405000004 WDR 03-0122 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 03-0122 07/11/2003 null Discharger 07/11/2003 null 147113 WDR 3 3 405000004 WDR 91-044 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 91-044 10/11/1991 07/10/2003 Discharger 10/11/1991 null 142563 WDR 3 3 405000002 WDR 69-012 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 69-012 12/12/1969 null Discharger 12/12/1969 null 132000 WDR 3 3 405000002 WDR 03-0121 for CALIF POLYTECHNIC UNIVERSITY Historical WDR 03-0121 07/11/2003 null Discharger 07/11/2003 null Violations within the past five calendar 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. 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 1102873 08/25/2021 Order Conditions Cal Poly violated Permit Section D.3 by not regularly evaluating and updating the WQMP. Cal Poly has not provided an update to the WQMP since 2005. Violation null Inspection 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 null Inspection California Polytechnic University, Confined Animal Waste 131998 2003-035 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 1105764 04/12/2022 Unauthorized Discharge 48,000 gallons of chilled water from rented temporary "skid" filtration system to storm drains leading to Stenner Creek. Violation N Report Cal Poly SLO Utilidor (Central Boiler Plant and Distribution System) 448361 null Y 1115584 10/01/2022 Order Conditions The DU is permitted for 375 Animal Units (AU) of cattle, and had a population of 491 AU (OCT) and 740 AU (NOV). Violation null 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 head in June, and 414 head in July. Violation null Report CAL Poly - Dairy Sciences null null N 1120065 01/09/2023 Surface Water As a direct result of the recent series of atmospheric river events, Cal Poly experienced an overflow from the Dairy Unit wastewater storage lagoon operated under WDR Order R3-2003-35. The overflow began at approximately 12:15 on January 9th, 2023. Flow discharged through a designed relief overflow outlet at the south-east end of the primary dairy lagoon and through a series of stormwater drainage conveyances which ultimately terminate at Stenner Creek, a tributary to San Luis Obispo Creek. The discharge was reported to the California Office of Emergency Services at 13:45 (report ID 23-0251). Report of the event was also made to the Central Coast Regional Water Quality Control Board via email at 14:04. The approximate volume released from the lagoon was 53,058 gallons. Violation N Report California Polytechnic University, Confined Animal Waste 131998 2003-035 N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 307936 Admin Civil Liability R3-2006-0061 ACL Complaint No. R3-2006-0061 for Cal Poly State University WDR 08/01/2006 Historical 321335 Admin Civil Liability R3-2006-0061 ACL Settlement Agreement R3-2006-0061 for Cal Poly State University WDR 03/09/2007 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 304300 Notice of Violation null NOV for Cal Poly, San Luis Obispo WDR 05/10/2006 Historical 227412 Notice of Violation UNKNOWN Enforcement - 3 405000004 WDR 11/22/2000 Historical 445776 Notice of Violation null NOV 11/19/2021 for California Polytechnic State University - San Luis Obispo ANIWSTCOWS 11/19/2021 Historical 255815 Notice of Violation UNKNOWN Enforcement - 3 400006001 WDR 11/23/2004 Historical 227413 Notice of Violation UNKNOWN Enforcement - 3 405000002 WDR 11/22/2000 Historical 395429 Notice of Violation null NOV & 13267 03/20/2014 for Cal Poly SLO Utilidor Hot Water System Spills NPDNONMUNIPRCS 03/20/2014 Historical 448362 Notice of Violation null NOV 06/28/2022 for California Polytechnic State University - San Luis Obispo DISCHSW 06/28/2022 Historical 340115 Notice of Violation null NOV for CAL POLY'S BULL TEST CENTER WDR 01/14/2008 Historical 236363 Oral Communication UNKNOWN Enforcement - 3 405000002 WDR 08/09/2001 Historical 254560 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 09/13/2004 Historical 253374 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 07/27/2004 Historical 307063 Oral Communication null Oral Communication for CAMPUSWIDE WQ PLAN WDR 05/08/2006 Historical 254086 Oral Communication UNKNOWN Enforcement - 3 400006001 WDR 10/19/2004 Historical 236449 Oral Communication UNKNOWN Enforcement - 3 405000004 WDR 07/16/2001 Historical 304737 Oral Communication null Oral communication for Campus WQ Plan WDR 08/01/2005 Historical 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