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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
552303 County of San Luis Obispo Dept. of Public Works County Agency 967 Osos Street Room 206 San Luis Obispo, CA 93408 805-788-2713(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
888028 Emergency Bridge Projects - USACE San Francisco San Luis Obispo 3 Dredge/Fill Site Owner 04/27/2023 None
888027 Emergency Bridge Projects - USACE Ventura San Luis Obispo 3 Dredge/Fill Site Owner 04/27/2023 None
885465 San Luisito Creek Road Culvert Repair San Luis Obispo 3 Dredge/Fill Site Owner 01/13/2023 None
885461 County ROW Various Locations San Luis Obispo 3 Dredge/Fill Site Owner 01/13/2023 None
872354 Dover Canyon Road Jack Creek Bridge Replacement San Luis Obispo 3 Dredge/Fill Site Owner 02/19/2021 None
871694 Avila Beach Emergency Flood Abatement San Luis Obispo 3 Dredge/Fill Site Owner 01/22/2021 None
868007 Lopez Drive Bridge Seismic Retrofit San Luis Obispo 3 Dredge/Fill Site Owner 07/21/2020 None
867536 Cayucos Creek Road Milepost 1.3 Slope Repair San Luis Obispo 3 Dredge/Fill Site Owner 06/19/2020 None
866860 El Camino Real at Santa Margarita Creek Bridge Replacement San Luis Obispo 3 Dredge/Fill Site Owner 05/19/2020 None
866519 Pippin Lane Emergency Repair San Luis Obispo 3 Dredge/Fill Site Owner 05/01/2020 None
865846 Perfumo Canyon Road Milepost 4.6 Slip Out Repair San Luis Obispo 3 Dredge/Fill Site Owner 03/27/2020 None
864984 San Luis Obispo County Bridge Preventive Maintenance Program San Luis Obispo 3 Dredge/Fill Site Owner 02/21/2020 None
857931 Upper Lopez Canyon 2019 Road Maintenance San Luis Obispo 3 Dredge/Fill Site Owner 04/29/2019 None
857759 FEMA Storm Damage Repair San Luis Obispo 3 Dredge/Fill Site Owner 04/19/2019 None
855563 Monterey Road Wash Out San Luis Obispo 3 Dredge/Fill Site Owner 01/25/2019 None
847529 Santa Rosa Creek Road near Curti Creek Road San Luis Obispo 3 Dredge/Fill Site Owner 05/25/2018 None
845099 Geneso Road Bridge at Huer Huero Creek San Luis Obispo 3 Dredge/Fill Site Owner 02/27/2018 None
843638 Estrella River Bridge on River Grove Drive Rehabilitation San Luis Obispo 3 Dredge/Fill Site Owner 01/09/2018 None
836058 South Higuera St. Road Improvements San Luis Obispo 3 Dredge/Fill Site Owner 06/23/2017 None
835110 Los Osos Water Recycling Facility CS San Luis Obispo 3 Collection_System Owner and Operator 05/12/2017 None
834950 Avila Beach Dr Seismic Retrofit Project San Luis Obispo 3 Dredge/Fill Site Owner 05/03/2017 None
824564 Air Park Drive Bridge Replacement San Luis Obispo 3 Dredge/Fill Site Owner 05/13/2016 None
822816 Los Osos Water Recycling Facility San Luis Obispo 3 Wastewater Treatment Facility Owner and Operator 03/10/2016 None
822813 Los Osos Water Recycling Facility CS San Luis Obispo 3 Collection_System Owner and Operator 03/10/2016 None
820865 Cypress Mountain Drive Bridge Replacement San Luis Obispo 3 Dredge/Fill Site Owner 01/11/2016 None
816896 Old Creek Road 6.334 Culvert Replacement San Luis Obispo 3 Dredge/Fill Site Owner 07/28/2015 None
237449 Los Osos Closed Landfill San Luis Obispo 3 Land fill None None None
Total Related Places: 27
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
642971 Danielle Ruedas Person Legally Responsible Official 07/15/2024 None None
642971 Danielle Ruedas Person Data Submitter 12/07/2023 07/14/2024 None
638439 Sean Loveridge Person Legally Responsible Official 03/20/2023 None None
637094 Henry Bonifas Person Legally Responsible Official 01/30/2023 None None
636836 Monica Stillman Person Legally Responsible Official 01/13/2023 None None
636833 Matt Willis Person Legally Responsible Official 01/13/2023 None None
626087 Barrie Valencia Person Legally Responsible Official 02/13/2026 None None
620528 Mark Chiaramonte Person Employee 12/07/2020 None None
606858 John Waddell Person Legally Responsible Official 07/21/2020 None None
594956 Sarah Hooper Person Legally Responsible Official 07/30/2019 12/18/2020 None
594262 Katie Dresxhage Person Legally Responsible Official 01/25/2019 None None
578130 Keith Miller Person Legally Responsible Official 01/22/2021 None None
551362 Misty Pontes Person Legally Responsible Official 03/30/2016 None None
539429 Katrina Dyson Person Data Submitter 04/12/2016 None None
537991 Stephen Carroll Person Legally Responsible Official 03/21/2023 None None
528035 Dave Flynn Person Legally Responsible Official 04/29/2019 None None
439993 Harbans Singh-Kaler Person Legally Responsible Official 07/30/2019 None None
389345 Faith Zenker Person Legally Responsible Official 03/30/2016 None None
389345 Faith Zenker Person Data Submitter 05/24/2017 None None
389145 Kenneth Pang Person Legally Responsible Official 03/30/2016 None None
Total Related Parties: 20
  
  
  
  
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?
452439 Enrollee - 401 Certification 3 34023WQ10 Active CERFILLEXC 2019-0044-EXEC 05/03/2023 None Discharger 04/27/2023 None N
452438 Enrollee - 401 Certification 3 34023WQ11 Historical CERFILLEXC 2018-0029-EXEC 05/10/2023 05/29/2025 Discharger 04/27/2023 None N
450786 Enrollee - 401 Certification 3 34023WQ05 Active CERFILLEXC 2018-0029-EXEC 02/15/2023 None Discharger 01/13/2023 None N
450784 Enrollee - 401 Certification 3 34023WQ03 Active CERFILLEXC 2018-0029-EXEC 02/15/2023 None Discharger 01/13/2023 None N
442694 Enrollee - WRR 3 3 400421864 Active REC 2016-0068-DDW 03/17/2021 None Discharger 03/25/2021 None N
442295 401 Certification 3 34021WQ05 Active CERFILLEXC None 07/09/2021 None Discharger 02/19/2021 None Y
441997 Enrollee - 401 Certification 3 34021WQ01 Historical CERFILLEXC 2018-0029-EXEC 02/01/2021 04/14/2021 Discharger 01/22/2021 None N
439255 401 Certification 3 34020WQ30 Active CERFILLEXC None 09/01/2020 None Discharger 07/21/2020 None Y
438782 401 Certification 3 34020WQ27 Historical CERFILLEXC None 04/14/2021 05/29/2025 Discharger 06/19/2020 None N
438158 401 Certification 3 34020WQ21 Active CERFILLEXC None 02/25/2022 None Discharger 05/19/2020 None N
437857 Enrollee - 401 Certification 3 34020WQ18 Historical CERFILLEXC 2018-0025-EXEC 05/15/2020 06/01/2020 Discharger 05/01/2020 None N
437406 401 Certification 3 34020WQ16 Historical CERFILLEXC None 06/26/2020 12/28/2023 Discharger 03/27/2020 None N
436872 401 Certification 3 34020WQ07 Historical CERFILLEXC None 05/27/2020 05/30/2023 Discharger 02/21/2020 None N
430043 401 Certification 3 34019WQ07 Historical CERFILLEXC None 07/25/2019 12/28/2023 Discharger 04/19/2019 None N
428440 Enrollee - WDR 3 34019WQ02 Historical CERFILLEXC 2004-0004-DWQ 02/07/2019 04/24/2019 Discharger 01/25/2019 None Y
422955 Enrollee - WRR 3 3_400718651 Historical REC 2016-0068-DDW 09/05/2018 03/17/2021 Discharger 07/24/2018 None N
421612 Enrollee - 401 Certification 3 34018WQ18 Historical CERFILLEXC RGP 63 05/04/2018 05/15/2020 Discharger 05/25/2018 None N
419707 401 Certification 3 34018WQ06 Historical CERFILLEXC None 01/16/2019 05/29/2025 Discharger 02/27/2018 None N
418645 401 Certification 3 34018WQ01 Historical CERFILLEXC None 09/18/2018 05/29/2025 Discharger 01/09/2018 None Y
413950 Enrollee - WDR 3 34017WQ25 Historical CERFILLEXC None 07/28/2017 05/27/2021 Discharger 06/23/2017 None N
413173 Enrollee - WDR 3 3 400517592 Historical WDRMUNILRG 2006-0003-DWQ 02/29/2016 02/29/2016 Discharger 05/12/2017 None N
413045 401 Certification 3 34017WQ19 Historical CERFILLEXC None 06/26/2017 05/28/2021 Discharger 05/03/2017 None N
406160 401 Certification 3 34016WQ12 Historical CERFILLEXC None 08/30/2016 05/31/2024 Discharger 05/13/2016 None Y
405028 Enrollee - WDR 3 3SSO18100 Active SSOMUNISML 2022-0103-DWQ 03/10/2016 None Discharger 03/10/2016 None N
404258 401 Certification 3 34016WQ02 Historical CERFILLEXC None 04/22/2016 05/31/2022 Discharger 01/11/2016 None Y
402236 401 Certification 3 34015WQ11 Historical CERFILLEXC None 12/18/2015 10/12/2018 Discharger 07/28/2015 None N
Total Regulatory Measures: 26
  
  
  
  
Expand/Contract Violations
Violations within the past year
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.
1150369 01/13/2026 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Collection System Maintenance Failure (specify below) caused 65 gallons of sewage to spill from Force Main,Pump Station at West Paso Pump Station 503 3rd St Los Osos CA 93402 to Drainage Conveyance System,Unpaved Surface,Paved Surface,Drainage Conveyance System that discharges to surface water Violation None SSO Los Osos Water Recycling Facility CS 405028 2022-0103-DWQ N
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 1
*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
434092 Staff Enforcement Letter None SEL for County of San Luis Obispo Dept. of Public Works CERFILLEXC None Historical
434085 Staff Enforcement Letter None SEL for County of San Luis Obispo Dept. of Public Works CERFILLEXC None Historical
425262 Notice of Violation None NOV 09/07/2018 for County of San Luis Obispo Dept. of Public Works CERFILLEXC 09/07/2018 Historical
418324 Notice of Violation None NOV 12/21/2017 for County of San Luis Obispo Old Creek Road 6.334 Culvert Replacement CERFILLEXC 12/21/2017 Historical
Total Enforcement Actions: 4
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 02/20/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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