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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
41469 Sonoma County Public Infrastructure County Agency 400 Aviation Boulevard 100 Santa Rosa, CA 95403 707-565-7568(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
878931 5C Old Redwood Highway @ Edwards Rancho Road Culvert Repair Project Sonoma 1 Development Site, NEC None None None
818051 Jewett Road Sonoma 2 Dredge/Fill Site None None None
720643 Sonoma County DOT & PW Camp Meeker Culvert Replacement Project Sonoma 1 Dredge/Fill Site None None None
902940 Dutcher Creek Emergency Culvert Repairs Sonoma 1 Dredge/Fill Site None None None
889390 Cazadero Highway Washout Emergency Repair Project Sonoma 1 Dredge/Fill Site None None None
902729 5C Mirabel Road PM 11.34 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 09/02/2025 None
902616 5C Salmon Creek Road PM 11.42, 11.84, 11.9, 12.10, 12.12 Sonoma 1 Dredge/Fill Site Owner 08/22/2025 None
902602 5C Occidental Road PM 16.11 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 08/21/2025 None
902607 5C Blucher Valley Road PM 10.54 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 08/21/2025 None
902598 5C 2025 Bodega Highway PM 12.11 & 13.32 Culvert Project Sonoma 1 Dredge/Fill Site Owner 08/21/2025 None
902604 5C Mariola Road PM 10.10 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 08/21/2025 None
902518 West Soda Rock Lane PM 12.60 Emergency Slide Repair Project Sonoma 1 Dredge/Fill Site Owner 08/15/2025 None
902506 Sonoma County 2025 Pavement Preservation Program Project Sonoma 2 Dredge/Fill Site Owner 08/14/2025 None
902302 West Soda Rock Lane Roadway Repair Project Sonoma 1 Dredge/Fill Site Owner 07/29/2025 None
901716 5C 2025 SOCO Freezeout Road PM 10.5 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/11/2025 None
901717 5C 2025 SOCO Slusser Road PM 10.92 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/11/2025 None
901715 5C 2025 SOCO Green Valley Road PM 10.1 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/11/2025 None
901721 5C 2025 SOCO Bei Road PM 10.85 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/11/2025 None
901333 5C Sonoma County 2025 Pavement Preservation Program Project Sonoma 1 Dredge/Fill Site Owner 05/22/2025 None
900540 East Railroad Ave Penngrove Intersection Improvements Sonoma 2 Dredge/Fill Site Owner 04/01/2025 None
900541 Old Redwood Highway and Ely Road Intersection Project Sonoma 2 Dredge/Fill Site Owner 04/01/2025 None
899914 Sonoma County Roads to Restoration Valley Ford Road to Bloomfield Road Sonoma 1 Dredge/Fill Site Owner 02/25/2025 None
898755 Wohler Road Emergency Repair Project December 2024 Sonoma 1 Dredge/Fill Site Owner 01/23/2025 None
898733 Sonoma Mountain Road Emergency Repair Project December 2024 Sonoma 1 Dredge/Fill Site Owner 01/22/2025 None
898629 East Austin Creek Road Emergency Project - December 2024 Sonoma 1 Dredge/Fill Site Owner 01/14/2025 None
895857 5C Sonoma County 2024 Pavement Preservation Program Project Sonoma 1 Dredge/Fill Site Owner 07/29/2024 None
895463 Geyser Creek Road Frasier Creek Bridge Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/28/2024 None
895235 5C Hidden Hills Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 06/12/2024 None
894420 Pepper Road Post Mile 15.66 Culvert Replacement Sonoma 2 Dredge/Fill Site Owner 04/15/2024 None
894278 Main Street Bridge over Dutch Bill Creek - Maintenance Repair Project (2) Sonoma 1 Dredge/Fill Site Owner 04/03/2024 None
892323 2024 East Austin Creek Road Slide Location No. 2 Sonoma 1 Dredge/Fill Site Owner 01/25/2024 None
890842 Wallace Road Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner 10/18/2023 None
890840 Bohemian Highway Washout Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner 10/18/2023 None
889958 5C Stewarts Point-Skaggs Springs Road PM 21.01 Slide Repair Project Sonoma 1 Dredge/Fill Site Owner 08/21/2023 None
889402 5C Sonoma County 2023 Pavement Preservation Program Project Sonoma 1 Dredge/Fill Site Owner 07/10/2023 None
889239 Fowler Creek Bridge Repair Sonoma 2 Dredge/Fill Site Owner 06/29/2023 None
888957 Main Street Bridge Over Dutch Bill Creek Maintenance Repair Project Sonoma 1 Dredge/Fill Site Owner 06/22/2023 None
888407 Watmaugh Road Bridge Replacement Project Sonoma 2 Dredge/Fill Site Owner 05/25/2023 None
888392 5C Daywalt Road Culvert Replacements Project Sonoma 1 Dredge/Fill Site Owner 05/24/2023 None
886319 Sonoma County 2023 Pavement Preservation Program Project Sonoma 2 Dredge/Fill Site Owner 02/22/2023 None
884179 River Road over Gill Creek Bridge Replacement Sonoma 1 Dredge/Fill Site Owner 11/09/2022 None
883492 Culvert Replacements On Spring Hill Road And Guglielmetti Road Sonoma 2 Dredge/Fill Site Owner 09/28/2022 None
883222 South Ely Road Culvert Replacement project Sonoma 2 Dredge/Fill Site Owner 09/13/2022 None
882281 5C Rio Nido Culvert Project Sonoma 1 Development Site, NEC Owner 07/14/2022 None
882211 5C Chalk Hill Road PM 15.70 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Operator 07/11/2022 None
881930 5C Sonoma County 2022 Pavement Preservation Program Project Sonoma 1 Dredge/Fill Site Owner 06/24/2022 None
881239 Jewett Road PM 10.08 Culvert Replacement Project Sonoma 2 Dredge/Fill Site Owner 05/17/2022 None
879288 Geysers Road Bridge at Big Sulphur Creek Sonoma 1 Dredge/Fill Site Owner 02/07/2022 None
878806 Calistoga Road Emergency Repair Project PM 16.91 Sonoma 1 Dredge/Fill Site Owner 01/13/2022 None
875874 Fort Ross Road PM 15.80 & 15.73 2019 Storm Damage Repair Project Sonoma 1 Dredge/Fill Site Owner and Operator 08/19/2021 None
874948 5C Ross Road PM 11.12 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner 06/24/2021 None
874495 FEMA 2019 - Kruse Ranch Road PM 3.28 & 4.37 Sonoma 1 Dredge/Fill Site Operator 06/07/2021 None
874219 5C Pine Mountain Road PM 11.17, 11.19, 11.26 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 05/25/2021 None
873672 Sonoma County Pavement Preservation Program Sonoma 1 Dredge/Fill Site Owner and Operator 04/22/2021 None
873664 5C Rio Lindo Road PM 12.61 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner 04/22/2021 None
870317 FEMA 2017 - Cazadero Highway PM 14.41 Sonoma 1 Dredge/Fill Site Owner and Operator 11/09/2020 None
869149 FEMA 2017 - Cazadero Highway PM 16.50 Sonoma 1 Dredge/Fill Site Owner and Operator 09/23/2020 None
868133 King Ridge Road PM 24.91 (FEMA 2019) Sonoma 1 Dredge/Fill Site Owner and Operator 07/27/2020 None
868055 5C Mill Creek Road Culvert Replacement Project Sonoma 1 Waterway/Shoreline Site Owner and Operator 07/23/2020 None
866960 5C Bloomfield and Valley Ford Culvert Replacement Projects Sonoma 1 Dredge/Fill Site Owner and Operator 05/26/2020 None
866908 King Ridge Road PM 25.62 (FEMA 2019) Sonoma 1 Waterway/Shoreline Site Owner and Operator 05/21/2020 None
865914 5C West Dry Creek Road Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 04/02/2020 None
865913 5C Mill Station Road Culvert Replacement Sonoma 1 Dredge/Fill Site Owner and Operator 04/02/2020 None
865430 West Sausal Lane PM 10.07 Storm Damage Restoration FEMA DR-4434 Sonoma 1 Dredge/Fill Site Owner and Operator 03/10/2020 None
863928 Culvert Replacement at Tributary to Petaluma River, Liberty Road PM 11.40 Sonoma 2 Dredge/Fill Site Owner 12/31/2019 None
863666 Sonoma County DOT & PW Kincade Fire Culvert Replacements Sonoma 1 Dredge/Fill Site Owner and Operator 12/20/2019 None
863581 FEMA 2019 - Mays Canyon Road Bridge at PM 12.78 Sonoma 1 Dredge/Fill Site Owner and Operator 12/17/2019 None
861892 5C Cherry Creek Road Emergency Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 10/08/2019 None
861217 5C Furlong Road Culvert Replacement and Repair Project Sonoma 1 Dredge/Fill Site Owner 09/16/2019 None
858889 Trinity Rd Culvert Repair Project Sonoma 2 Dredge/Fill Site Owner 06/12/2019 None
858536 5C Green Hill Road PM 10.18 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 05/29/2019 None
858422 Lawndale Rd (3) Culverts repair Project Sonoma 2 Dredge/Fill Site Owner 05/22/2019 None
857720 Geotech Boaring for the Monte Rio Bridge Replacement Project over Russian River Sonoma 1 Dredge/Fill Site Owner 04/18/2019 None
850423 5C Salmon Creek Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 08/23/2018 None
849823 5C Bohemian Highway Slip Out & Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 08/03/2018 None
849406 5C Irwin Lane PM 11.19 Culvert Replacement Sonoma 1 Dredge/Fill Site Owner and Operator 07/25/2018 None
848782 Lytton Road Culverts Replacement Project Sonoma 1 Dredge/Fill Site Operator 07/05/2018 None
847055 Piner Road PM 11.02, 11.42, & 11.54 Culvert Improvement Projects Sonoma 1 Dredge/Fill Site Owner and Operator 05/10/2018 None
725958 Little Wohler Creek over Mark West Creek Bridge Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 02/02/2018 None
841684 Bennett Valley Rd Emergency Culvert Sonoma 2 Dredge/Fill Site Owner 11/20/2017 None
838080 Westside Road Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 08/10/2017 None
836387 Cherry Street Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 07/03/2017 None
834891 Boyes Boulevard Over Sonoma Creek Bridge Replacement Sonoma 2 Dredge/Fill Site Owner 05/01/2017 None
827332 Coleman Valley Road Culverts Replacement Project (PM 17.15 & 17.57) Sonoma 1 Dredge/Fill Site Owner and Operator 08/17/2016 None
826875 Bay Flat Road Ditch Dredging Project Sonoma 1 Dredge/Fill Site Owner and Operator 08/01/2016 None
822758 Sonoma County Acreage Lane Culvert Replacement Sonoma 1 Dredge/Fill Site Owner 03/09/2016 None
820173 Sonoma County Hauser Bridge Road Bridge Replacement Sonoma 1 Dredge/Fill Site Owner 12/14/2015 None
819493 Aggregate Soil Removal for Casa Grande Rd. Box Culverts (PM 10.84 & 11.19) Sonoma 2 Dredge/Fill Site Owner 11/16/2015 None
815582 Watmaugh Road At Rodgers Creek Sediment Removal Sonoma 2 Dredge/Fill Site Owner 05/29/2015 None
810653 Sonoma County Wohler Road Bridge over Russian River Seismic Retrofit Sonoma 1 Dredge/Fill Site Owner 11/12/2014 None
805354 Bodega Highway Culvert Replacement on Tributary to Salmon Creek Sonoma 1 Dredge/Fill Site Owner 04/09/2014 None
804701 Lawndale Road Culvert Replacement Project Sonoma 2 Dredge/Fill Site Owner 03/18/2014 None
720612 Stony Point Road at Roblar Road Signalization Project Sonoma 1 Dredge/Fill Site Owner and Operator 07/11/2013 None
794581 Giovanetti Road Culvert Project Sonoma 1 Dredge/Fill Site Owner 05/29/2013 None
790537 Adobe Road at East Washington Street Intersection Improvement Project Sonoma 2 Dredge/Fill Site Owner 01/18/2013 None
789539 Sonoma County Porter Creek Road Bridge Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 12/31/2012 None
784714 Sonoma County Coleman Valley Rd/Coleman Valley Creek Culvert Replac. Proj Sonoma 1 Dredge/Fill Site Land Owner 08/02/2012 None
782326 Sonoma County Wallace Road Rincon Creek Bank Stabilization Project Sonoma 1 Dredge/Fill Site Land Owner 06/20/2012 None
780012 Sonoma County DOT & PW Windsor Road Bank Repair Project Sonoma 1 Dredge/Fill Site Land Owner 04/09/2012 None
778630 Highway 12 Culvert Extension Project on Pequeno Creek Sonoma 2 Dredge/Fill Site Owner 03/13/2012 None
767131 Sonoma County Central Disposal Site Rock Extraction Area Sonoma 1 Land fill Owner and Operator 06/02/2011 None
764946 Sonoma County DOT & PW, Bohemian Highway at PM 19.19 Above Dutch Bill Creek Sonoma 1 Dredge/Fill Site Owner and Operator 03/25/2011 None
764959 Porter Creek Slide 0.25 miles Westerly of the Mark West Creek Sonoma 1 Dredge/Fill Site Owner and Operator 03/25/2011 None
756811 Sonoma County PRMD, Grape Creek Box Culvert and Fish Passage Enhancement Project Sonoma 1 Dredge/Fill Site Responsibility For 07/20/2010 None
753240 Carriage Lane (Wikiup) Drainage Improvements Sonoma 1 Dredge/Fill Site Operator 06/09/2010 None
750464 14780 Cherry Street Guerneville Sonoma 1 Dredge/Fill Site Operator 03/10/2010 None
723881 Occidental Dutch Bill Creek Culvert Replacement Project Sonoma 1 Dredge/Fill Site Responsibility For 07/30/2008 None
722646 Soda Springs Road Culvert Replacement Sonoma 1 Dredge/Fill Site Owner and Operator 07/16/2008 None
722651 Fitch Mountain Water District Access Road Repair Sonoma 1 Dredge/Fill Site Responsibility For 07/16/2008 None
722578 Airport Parking Lot and Transit Facility Sonoma 1 Dredge/Fill Site Responsibility For 07/16/2008 None
721448 Temporary Emergency Bridge over Russian River Sonoma 1 Dredge/Fill Site Owner 07/03/2008 None
721433 Sonoma County DOT & Public Works Geyser Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner and Operator 07/03/2008 None
720613 Roadside Ditch Work - Various Locations Sonoma 1 Dredge/Fill Site Responsibility For 06/26/2008 None
255710 Sonoma County Probation Camp Sonoma 1 Educational Facilities Owner 05/23/2007 None
648294 Giovanetti Road Channel Maintenance Project Sonoma 1 Dredge/Fill Site Owner 03/22/2007 None
722399 Kruse Ranch Road Sonoma 1 Dredge/Fill Site Responsibility For 09/23/2005 None
722630 Todd Road Storm Drain Project Sonoma 1 Dredge/Fill Site Operator 08/15/2005 None
220902 Sonoma County Dutch Bill Creek Sonoma 1 Dredge/Fill Site Owner 06/02/2005 None
204967 Alexander Valley Road Culvert Project Sonoma 1 Dredge/Fill Site Owner 08/16/2004 None
205839 Annapolis Road Bridge Sonoma 1 Dredge/Fill Site Owner 12/11/2003 None
272867 Wohler Bridge Sonoma 1 Dredge/Fill Site Owner 09/30/2002 None
235057 Sonoma County, Kings Ridge Road Sonoma 1 Dredge/Fill Site Owner 06/06/2002 None
227754 Grange Road Bridge over Matanzas Creek Sonoma 1 Dredge/Fill Site Owner 04/11/2002 None
257729 Sonoma County Warm Springs Creek Bridge Sonoma 1 Dredge/Fill Site Owner 06/25/1999 None
257722 Sonoma County Hacienda Bridge 20C Sonoma 1 Development Site, NEC Owner 03/17/1997 None
255873 SCGS Fleet Operations Sonoma 1 Service/Commercial Site, NEC Owner 11/13/1991 None
257725 Sonoma County Korbel Maintenance Site Sonoma 1 Land fill Owner 04/26/1989 None
257720 Sonoma County Guerneville SWDS Sonoma 1 Land fill Owner 01/19/1984 None
257560 Sonoma County Central SWDS Sonoma 1 Land fill Interested Party 09/25/1980 None
257711 Sonoma County Annapolis SWDS Sonoma 1 Land fill Owner 04/20/1978 None
257723 Sonoma County Healdsburg SWDS Sonoma 1 Land fill Owner 01/30/1975 None
Total Related Places: 131
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
476547 Steve Dee Person Data Submitter 07/03/2008 None None
526451 Clyde Galantine Person Data Submitter 10/17/2006 09/16/2015 None
346753 Terry Dill Person Data Submitter 10/17/2006 09/16/2015 None
523787 Matthew Vail Person Data Submitter 07/16/2010 None None
142117 Don Poindexter Person Data Submitter 03/17/1997 None None
439529 Trish Pisenti Person Data Submitter 06/03/2011 None None
503828 Cheril Watson Person Data Submitter 04/03/2009 09/16/2015 None
521519 Ron Franceschi Person Data Submitter 03/10/2010 None None
125002 Richard Stabler Person Data Submitter 03/17/1997 None None
380586 John Haig Person Data Submitter 05/23/2007 None None
644573 Tiffany Seder Person Employee 07/29/2025 None None
478052 Jesse Foster Person Employee 09/23/2005 None None
569606 Deborah Waller Person Employee 11/20/2017 None None
522907 Levi Gurule Person Employee 06/09/2010 None None
370487 Ken Giovannetti Person Employee 03/22/2007 None None
549097 Cindy Rader Person Employee 11/12/2014 None None
380584 David Kronberg Person Employee 05/23/2007 None None
142706 David Knight Person Employee 08/06/2003 None None
563633 Chris Seppeler Person Employee 08/10/2017 None None
623732 Olguin Caban Person Employee 04/22/2021 None None
602159 Rob Aguero Person Employee 12/20/2019 None None
90718 Alynn Kjeldsen Person Employee 03/17/1997 None None
547499 Glenn Morelli Person Employee 09/15/2020 None None
540045 Rob Silva Person Employee 05/15/2013 None None
380554 Brian Willits Person Employee 05/23/2007 None None
598274 Anthony Moore Person Employee 05/29/2019 None None
634382 Yoash Tilles Person Employee 07/14/2022 None None
605175 Stevan Hunter Person Employee 12/17/2019 None None
640466 T. Mahony Person Employee 07/10/2023 None None
583375 Matt Frazier Person Employee 08/23/2018 None None
630792 Chet Jamgochian Person Employee 02/07/2022 None None
650153 Carmen Rodriguez Person Legally Responsible Official 04/01/2025 None None
439529 Trish Pisenti Person Legally Responsible Official 04/03/2009 09/22/2010 None
596893 Samuel Baumgardner-Kranz Person Legally Responsible Official 04/18/2019 None None
539264 Susan Klassen Person Legally Responsible Official 03/22/2013 None None
478325 Steve Urbanek Person Legally Responsible Official 07/16/2008 None None
474693 John Souza Person Legally Responsible Official 09/11/2012 None None
541959 Jackson Ford Person Legally Responsible Official 06/22/2023 None None
533035 David Dammuller Person Legally Responsible Official 04/12/2012 None None
644573 Tiffany Seder Person Legally Responsible Official 07/28/2025 None None
602159 Rob Aguero Person Legally Responsible Official 04/15/2021 None None
576779 Janice Thompson Person Legally Responsible Official 05/10/2018 None None
644649 Hunter McLaughlin Person Legally Responsible Official 02/25/2025 None None
549097 Cindy Rader Person Legally Responsible Official 01/13/2022 None None
630792 Chet Jamgochian Person Legally Responsible Official 02/06/2022 None None
640466 T. Mahony Person Legally Responsible Official 07/09/2023 None None
569605 Bret McIntyre Person Legally Responsible Official 11/20/2017 None None
563779 Olesya Tribukait Person Legally Responsible Official 05/01/2017 None None
113738 Ken Wells Person Legally Responsible Official 03/17/1997 09/16/2015 None
638999 David Walsh Person Legally Responsible Official 06/11/2025 None None
623732 Olguin Caban Person Legally Responsible Official 06/24/2022 None None
532289 Rex Cummins Person Legally Responsible Official 03/12/2012 None None
634382 Yoash Tilles Person Legally Responsible Official 07/13/2022 None None
526431 Rob Houweling Person Legally Responsible Official 03/30/2011 None None
Total Related Parties: 54
  
  
  
  
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?
461350 Enrollee - Waiver 1 1B25086WNSO Active CERFILLEXC R1-2023-0034 07/22/2025 None Discharger 06/11/2025 None N
460067 Enrollee - 401 Certification 1 1B25021WNSO Active CERFILLEXC 2023-0058-DWQ 02/27/2025 None Discharger 02/25/2025 None N
459766 Enrollee - WDR 1 1B25006WNSO Active CERFILLEXC 2023-0058-DWQ 02/03/2025 None Discharger 01/23/2025 None N
459691 Enrollee - 401 Certification 1 1B24178WNSO Active CERFILLEXC 2024-0085-DWQ 01/16/2025 None Discharger 01/14/2025 None N
457498 401 Certification 1 1B24083WNSO Active CERFILLEXC None 09/11/2024 None Discharger 06/28/2024 None N
456558 Enrollee - WDR 2 2 CW456558 Active CERFILLEXC 2004-0004-DWQ 06/28/2024 None Discharger 04/15/2024 None N
456441 401 Certification 1 1B24039WNSO Active CERFILLEXC None 05/29/2024 None Discharger 04/03/2024 None N
455656 Enrollee - WDR 1 1B24009WNSO Historical CERFILLEXC 2023-0058-DWQ 03/11/2024 07/18/2024 Discharger 01/25/2024 None N
454764 Enrollee - 401 Certification 1 1B23158WNSO Active CERFILLEXC 2019-0044-EXEC 01/10/2024 None Discharger 10/18/2023 None N
454767 Enrollee - 401 Certification 1 1B23159WNSO Active CERFILLEXC 2019-0044-EXEC 01/10/2024 None Discharger 10/18/2023 None N
446375 Enrollee - Waiver 1 1B21248WNSO Historical WDRNONMUNIPRCS R1-2022-0031 12/02/2021 06/30/2023 Discharger 09/28/2023 None N
453398 Enrollee - 401 Certification 1 None Historical CERFILLEXC R1-2023-0034 None 01/28/2025 Discharger 07/10/2023 None N
453383 Enrollee - 401 Certification 1 1B23105WNSO Active CERFILLEXC 2019-0044-EXEC 07/08/2024 None Discharger 07/07/2023 None N
453314 Enrollee - 401 Certification 2 2 CW453314 Active CERFILLEXC 2019-0044-EXEC 12/11/2023 None Discharger 06/29/2023 None N
453159 Enrollee - 401 Certification 1 1B23094WNSO Historical CERFILLEXC 2021-0048-DWQ 07/07/2023 01/22/2024 Discharger 06/22/2023 None N
452733 Enrollee - Waiver 1 1B23070WNSO Active WDRNONMUNIPRCS R1-2022-0031 05/15/2023 None Discharger 05/24/2023 None N
451317 Enrollee - 401 Certification 2 2 CW451317 Historical CERFILLEXC 2021-0048-DWQ 07/06/2023 06/13/2025 Discharger 02/22/2023 None Y
449835 401 Certification 1 1B22139WNSO Active CERFILLEXC Null 05/24/2023 None Discharger 11/09/2022 None N
449384 401 Certification 2 2 CW449384 Active CERFILLEXC None 02/17/2023 None Discharger 09/28/2022 None N
449185 Enrollee - 401 Certification 2 2 CW449185 Historical CERFILLEXC 2004-0004-DWQ 01/12/2023 01/31/2025 Discharger 09/13/2022 None N
448569 Enrollee - Waiver 1 1B22098WNSO Active WDRNONMUNIPRCS R1-2022-0031 07/13/2022 None Discharger 07/14/2022 None N
448506 Enrollee - 401 Certification 1 1B22093WNSO Active CERFILLEXC R1-2023-0034 09/27/2022 None Discharger 07/11/2022 None N
448291 Enrollee - 401 Certification 1 1B22082WNSO Historical CERFILLEXC R1-2023-0034 07/08/2022 12/15/2022 Discharger 06/24/2022 None N
447726 401 Certification 2 2 CW447726 Active CERFILLEXC None 07/13/2022 None Discharger 05/17/2022 None N
446537 401 Certification 1 1B22015WNSO Active CERFILLEXC None 04/10/2023 None Discharger 02/07/2022 None N
446300 Enrollee - WDR 1 1B22004WNSO Active CERFILLEXC 2004-0004-DWQ 02/16/2022 None Discharger 01/13/2022 None N
444637 401 Certification 1 1B21184WNSO Active CERFILLEXC None 12/06/2021 None Discharger 08/19/2021 None N
443935 Enrollee - Waiver 1 1B21143WNSO Historical WDRNONMUNIPRCS R1-2022-0031 06/23/2021 06/30/2023 Discharger 06/24/2021 None N
443535 Enrollee - WDR 1 1B21133WNSO Active CERFILLEXC 2004-0004-DWQ 06/15/2021 None Discharger 06/07/2021 None N
443409 Enrollee - 401 Certification 1 1B21121WNSO Historical CERFILLEXC R1-2023-0034 08/30/2021 08/03/2023 Discharger 05/25/2021 None N
443253 401 Certification SB SB21008IN Active CERFILLEXC WQ 2021-0035-DWQ 08/05/2021 None Discharger 05/11/2021 None N
443026 Enrollee - Waiver 1 1B21091WNSO Historical WDRNONMUNIPRCS R1-2022-0031 05/04/2021 06/30/2023 Discharger 04/22/2021 None N
441217 Enrollee - 401 Certification 1 1B20207WNSO Historical CERFILLEXC 2019-0044-EXEC 11/10/2020 12/29/2020 Discharger 11/09/2020 None N
440550 Enrollee - Waiver 1 1B20187WNSO Historical CERFILLEXC R1-2022-0031 09/25/2020 03/10/2023 Discharger 09/23/2020 None N
440197 Enrollee - WDR 1 1B20181RSON Active LFNONOPER 2020-0004-DWQ 09/11/2020 None Discharger 09/15/2020 None N
439344 Enrollee - Waiver 1 1B20146WNSO Historical CERFILLEXC R1-2022-0031 08/04/2020 03/10/2023 Discharger 07/27/2020 None N
439300 Enrollee - 401 Certification 1 1B20139WNSO Historical CERFILLEXC R1-2023-0034 08/12/2020 06/30/2023 Discharger 07/23/2020 None N
438194 Enrollee - Waiver 1 1B20083WNSO Historical CERFILLEXC R1-2022-0031 06/15/2020 12/10/2020 Discharger 05/21/2020 None N
437461 Enrollee - 401 Certification 1 1B20038WNSO Historical CERFILLEXC R1-2023-0034 06/30/2020 08/03/2023 Discharger 04/02/2020 None N
437161 Enrollee - 401 Certification 1 1B20029WNSO Historical CERFILLEXC 2019-0044-EXEC 03/13/2020 04/01/2020 Discharger 03/10/2020 None N
436140 Enrollee - 401 Certification 2 2 CW436140 Active CERFILLEXC 2004-0004-DWQ 04/06/2020 None Discharger 12/31/2019 None N
436019 Enrollee - 401 Certification 1 1B190219WNSO Historical CERFILLEXC 2019-0044-EXEC 02/11/2020 05/06/2020 Discharger 12/20/2019 None N
435968 401 Certification 1 1B190216WNSO Historical CERFILLEXC None 12/19/2019 01/26/2023 Discharger 12/17/2019 None N
434772 Enrollee - 401 Certification 1 1B190177WNSO Historical CERFILLEXC R1-2023-0034 10/15/2019 12/04/2019 Discharger 10/08/2019 None N
430705 401 Certification 2 2 CW430705 Active CERFILLEXC None 08/13/2019 None Discharger 05/22/2019 None N
430023 Enrollee - WDR 1 1B190038WNSO Active CERFILLEXC SB17001GN 05/20/2019 None Discharger 04/18/2019 None N
424777 Enrollee - 401 Certification 1 1B180130WNSO Historical CERFILLEXC R1-2023-0034 09/25/2019 06/30/2023 Discharger 08/23/2018 None N
423280 Enrollee - Waiver 1 1B180119WNSO Active CERFILLEXC R1-2022-0031 09/28/2018 None Discharger 08/03/2018 None N
422980 Enrollee - 401 Certification 1 1B180103WNSO Historical CERFILLEXC R1-2023-0034 08/29/2018 12/09/2019 Discharger 07/25/2018 None N
422442 401 Certification 1 1B180086WNSO Historical CERFILLEXC None 09/12/2018 11/04/2023 Discharger 07/05/2018 None N
421229 401 Certification 1 1B180048WNSO Active CERFILLEXC None 07/27/2018 None Discharger 05/10/2018 None N
419348 401 Certification 1 1B08135WNSO Active CERFILLEXC None 01/28/2019 None Discharger 02/02/2018 None N
417155 Enrollee - 401 Certification 2 None Historical CERFILLEXC RGP 5 11/06/2017 12/14/2017 Discharger 11/20/2017 None N
415119 401 Certification 1 1B171550WNSO Historical CERFILLEXC None 09/14/2017 09/14/2022 Discharger 08/10/2017 None N
414078 401 Certification 1 1B171282WNSO Historical CERFILLEXC None 08/29/2017 08/29/2022 Discharger 07/03/2017 None N
413005 Enrollee - 401 Certification 2 2 CW413005 Active CERFILLEXC 2004-0004-DWQ 10/03/2018 None Discharger 05/01/2017 None N
408350 401 Certification 1 1B161070WNSO Historical CERFILLEXC None 09/24/2018 09/24/2023 Discharger 08/17/2016 None N
408059 401 Certification 1 1B161013WNSO Historical CERFILLEXC None 12/14/2016 12/14/2021 Discharger 08/01/2016 None N
404983 401 Certification 1 1B16191WNSO Historical CERFILLEXC None 06/06/2016 06/06/2021 Discharger 03/09/2016 None N
403962 401 Certification 1 1B15160WNSO Historical CERFILLEXC None 06/29/2016 06/28/2021 Discharger 12/15/2015 None N
403665 Enrollee - 401 Certification 2 2 CW403665 Historical CERFILLEXC 2004-0004-DWQ 11/25/2015 11/25/2020 Discharger 11/16/2015 None N
402866 Enrollee - 401 Certification 2 2 CW402866 Historical CERFILLEXC RGP 5 02/22/2016 02/22/2017 Discharger 09/16/2015 None N
401263 Enrollee - 401 Certification 2 2 CW401263 Historical CERFILLEXC 2004-0004-DWQ 07/16/2015 11/05/2015 Discharger 05/29/2015 None N
398810 401 Certification 1 1B14118WNSO Active CERFILLEXC None 08/07/2015 None Discharger 11/12/2014 None Y
395635 401 Certification 1 1B14033WNSO Historical CERFILLEXC None 05/30/2014 05/30/2019 Discharger 04/09/2014 None N
395376 401 Certification 2 2 CW395376 Historical CERFILLEXC None 08/29/2014 08/29/2017 Discharger 03/18/2014 None N
390372 401 Certification 1 1B13065WNSO Historical CERFILLEXC None 08/28/2013 08/28/2018 Discharger 05/30/2013 None N
388818 401 Certification 2 2 CW388818 Historical CERFILLEXC None 04/07/2015 12/15/2022 Discharger 01/18/2013 None N
388645 401 Certification 1 1B12202WNSO Historical CERFILLEXC WQ Cert 02/27/2013 02/27/2018 Discharger 12/31/2012 None N
386822 Enrollee - 401 Certification 1 1B12151WNSO Historical CERREST Small Habitat Restoration 08/28/2012 08/27/2017 Discharger 08/02/2012 None N
386114 Enrollee - 401 Certification 1 1B12125WNSO Historical CERREST Small Habitat Restoration 07/31/2012 07/30/2017 Discharger 07/10/2012 None N
385607 401 Certification 1 1B12144WNSO Historical CERFILLEXC None 07/03/2013 07/03/2018 Discharger 06/20/2012 None N
384426 401 Certification 1 1B12043WNSO Historical CERFILLEXC None 06/21/2012 06/21/2017 Discharger 04/09/2012 None N
383744 401 Certification 2 None Historical CERFILLEXC None 01/10/2014 01/10/2018 Discharger 03/13/2012 None Y
378360 Enrollee - 401 Certification 1 1B11033WNSO Historical CERFILLEXC RGP 5 03/25/2011 03/23/2016 Discharger 03/25/2011 None N
378377 Enrollee - 401 Certification 1 1B11032WNSO Historical CERFILLEXC RGP 5 03/25/2011 03/23/2016 Discharger 03/25/2011 None N
374411 401 Certification 1 1B10063WNSO Historical CERFILLEXC None 10/21/2010 10/20/2015 Discharger 06/09/2010 None N
349825 401 Certification 1 1B08116WNSO Historical CERFILLEXC None 06/08/2009 06/08/2014 Discharger 07/17/2008 None N
348469 401 Certification 1 1B06073WNSO Historical CERFILLEXC None 06/15/2006 None Discharger 07/03/2008 None N
347989 401 Certification 1 1B07176WNSO Historical CERFILLEXC None 07/29/2008 None Discharger 06/26/2008 None N
349087 401 Certification 1 1B05136WNSO Historical CERFILLEXC None 12/20/2007 None Discharger 10/11/2005 None N
348993 401 Certification 1 1B05129WNSO Historical CERFILLEXC None 09/23/2005 09/23/2005 Discharger 09/23/2005 None N
349126 401 Certification 1 1B05126WNSO Historical CERFILLEXC None 09/12/2005 09/12/2010 Discharger 09/12/2005 None N
349133 401 Certification 1 1B05122WNSO Historical CERFILLEXC None 01/17/2006 01/17/2011 Discharger 09/06/2005 None N
171628 401 Certification 1 1B02080WNSO Historical CERFILLEXC None 09/27/2002 09/27/2007 Discharger 06/17/2005 None N
173720 401 Certification 1 1B04118WNSO Historical CERFILLEXC None 06/16/2005 06/16/2010 Discharger 06/17/2005 None N
171829 401 Certification 1 1B02162WNSO Historical CERFILLEXC None 05/20/2003 05/20/2008 Discharger 06/17/2005 None N
155267 401 Certification 1 1B05074WNSO Historical CERFILLEXC None 09/15/2005 09/15/2010 Discharger 06/17/2005 None N
169548 401 Certification 1 1B02048WNSO Historical CERFILLEXC None 06/28/2002 06/28/2007 Discharger 06/17/2005 None N
172636 401 Certification 1 1B03210WNSO Historical CERFILLEXC None 11/01/2004 11/01/2009 Discharger 06/17/2005 None N
376434 Resolution 1 1B80149OSON Historical LNDISP R1-2005-0003 01/26/2005 05/30/2012 Discharger 06/23/2004 None N
388476 WDR 1 1B80149OSON Historical LFOPER R1-2013-0003 03/14/2013 03/11/2015 Discharger 06/23/2004 None N
132476 WDR 1 1B80149OSON Historical LFOPER R1-2004-0040 06/23/2004 03/13/2013 Discharger 06/23/2004 None N
135968 WDR 1 1B99011RSON Historical LNDISP 00-062B 08/25/2000 06/22/2004 Discharger 08/25/2000 None N
135967 WDR 1 1B80149OSON Historical LNDISP R1-2000-0062 08/25/2000 06/22/2004 Discharger 08/25/2000 None N
138510 WDR 1 1B99057RSON Historical WDR 99-061 08/26/1999 03/26/2003 Discharger 08/26/1999 None N
138244 WDR 1 1B97011RSON Historical WDR 99-030 07/21/1999 03/26/2003 Discharger 07/21/1999 None N
138745 WDR 1 1B78064OSON Historical LNDISP 96-04401 05/23/1996 05/24/1996 Discharger 05/23/1996 None N
138744 WDR 1 1B78064OSON Historical LFNONOPER 96-044 05/23/1996 06/14/2023 Discharger 05/23/1996 None N
454129 WDR 1 1B78064OSON Active LFNONOPER R1-2023-0010 06/15/2023 None Discharger 05/23/1996 None N
138270 WDR 1 1B80149OSON Historical LNDISP 93-08317 09/22/1993 08/24/2000 Discharger 09/22/1993 None N
138269 WDR 1 1B78064OSON Historical LNDISP 93-08316 09/22/1993 05/22/1996 Discharger 09/22/1993 None N
137728 WDR 1 1B91042RSON Historical UST 91-162 11/13/1991 05/25/1995 Discharger 11/13/1991 None N
137279 WDR 1 1B75018OSON Active LFNONOPER 90-089 05/23/1990 None Discharger 05/23/1990 None N
137893 WDR 1 1B88046RSON Active LFNONOPER 89-045 04/26/1989 None Discharger 04/26/1989 None N
137847 WDR 1 1B80149OSON Historical LNDISP 89-008 02/22/1989 08/24/2000 Discharger 02/22/1989 None N
137453 WDR 1 1B84003OSON Active LFNONOPER 84-003 01/19/1984 None Discharger 01/19/1984 None N
136631 WDR 1 1B80149OSON Historical LNDISP 80-149 09/25/1980 02/21/1989 Discharger 09/25/1980 None N
137351 WDR 1 1B78064OSON Historical LNDISP 78-064 04/20/1978 09/21/1993 Discharger 04/20/1978 None N
136917 WDR 1 1B75018OSON Historical LNDISP 75-018 01/30/1975 05/22/1990 Discharger 01/30/1975 None N
Total Regulatory Measures: 110
  
  
  
  
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.
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: 0
*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
363165 Oral Communication None Enforcement for Sonoma Cnty Guerneville SWDS LFNONOPER 11/25/2008 Historical
225773 Clean-up and Abatement Order 97-023 Enforcement - 1B80149OSON Sonoma Cnty Central SWDS LNDISP 02/05/1997 Historical
363158 Oral Communication None Enforcement for Sonoma Cnty Guerneville SWDS LFNONOPER 05/09/2008 Historical
224470 Clean-up and Abatement Order 97-022 Enforcement - 1B900020NSO Sonoma Cnty Roblar SWDS DISCHLND 02/05/1997 Historical
225385 Staff Enforcement Letter LT980130 Enforcement - 1B80149OSON Sonoma Cnty Central SWDS LNDISP 01/30/1998 Historical
246425 Oral Communication None Enforcement - 1B84003OSON Sonoma Cnty Guerneville SWDS LFNONOPER 01/18/2003 Historical
239594 13267 Letter None Enforcement - 1B1SO403NSL Sonoma Cnty DPW Stockpile for Construction Sebastopol SLIC 05/22/2001 Historical
246426 Oral Communication None Enforcement - 1B84003OSON Sonoma Cnty Guerneville SWDS LFNONOPER 01/21/2003 Historical
224471 Clean-up and Abatement Order 96-013 Enforcement - 1B900020NSO Sonoma Cnty Roblar SWDS DISCHLND 02/02/1996 Historical
245931 Oral Communication None Enforcement - 1B75018OSON Sonoma Cnty Healdsburg SWDS LFNONOPER 01/15/2003 Historical
221276 Clean-up and Abatement Order 95-046 Enforcement - 1B80149OSON Sonoma Cnty Central SWDS LNDISP 05/15/1995 Historical
243484 Clean-up and Abatement Order R1-2003-0070 Enforcement - 1B03093CNSO Old Cazadero Road CERFILLEXC 05/29/2003 Active
242006 Clean-up and Abatement Order R1-2003-0096 Enforcement - 1B03149CNSO Sonoma County Annapolis Maintenance Station CERFILLEXC 08/06/2003 Active
393727 Notice of Violation None NOV 02/12/2013 for Sonoma Cnty Central SWDS LNDISP 02/12/2013 Active
Total Enforcement Actions: 14
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
348993 Jesse Foster 401 Certification CERFILLEXC 09/23/2005 Historical
349126 Jesse Foster 401 Certification CERFILLEXC 09/12/2005 Historical
441217 Stevan Hunter Enrollee - 401 Certification CERFILLEXC 11/10/2020 Historical
440550 Stevan Hunter Enrollee - Waiver CERFILLEXC 09/25/2020 Historical
439344 Stevan Hunter Enrollee - Waiver CERFILLEXC 08/04/2020 Historical
438194 Stevan Hunter Enrollee - Waiver CERFILLEXC 06/15/2020 Historical
437161 Stevan Hunter Enrollee - 401 Certification CERFILLEXC 03/13/2020 Historical
436019 Rob Aguero Enrollee - 401 Certification CERFILLEXC 02/11/2020 Historical
436019 Rob Aguero Enrollee - 401 Certification CERFILLEXC 02/11/2020 Historical
435968 Stevan Hunter 401 Certification CERFILLEXC 12/19/2019 Historical
434772 Rob Aguero Enrollee - 401 Certification CERFILLEXC 10/15/2019 Historical
434772 Rob Aguero Enrollee - 401 Certification CERFILLEXC 10/15/2019 Historical
424777 Matt Frazier Enrollee - 401 Certification CERFILLEXC 09/25/2019 Historical
417155 Deborah Waller Enrollee - 401 Certification CERFILLEXC 11/06/2017 Historical
349133 Alynn Kjeldsen 401 Certification CERFILLEXC 01/17/2006 Historical
374411 Levi Gurule 401 Certification CERFILLEXC 10/21/2010 Historical
388645 Levi Gurule 401 Certification CERFILLEXC 02/27/2013 Historical
390252 Rob Silva 401 Certification CERDREDGE 08/28/2013 Historical
412918 Chris Seppeler Enrollee - Waiver CERFILLEXC 04/27/2017 Historical
415119 Chris Seppeler 401 Certification CERFILLEXC 09/14/2017 Historical
440197 Glenn Morelli Enrollee - WDR LFNONOPER 09/11/2020 Active
430023 Chris Seppeler Enrollee - WDR CERFILLEXC 05/20/2019 Active
459945 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
439171 Rob Houweling Enrollee - 401 Certification CERFILLEXC 08/12/2020 Active
448506 Rob Aguero Enrollee - 401 Certification CERFILLEXC 09/27/2022 Active
448506 Rob Aguero Enrollee - 401 Certification CERFILLEXC 09/27/2022 Active
459946 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
398810 Cindy Rader 401 Certification CERFILLEXC 08/07/2015 Active
444637 Stevan Hunter 401 Certification CERFILLEXC 12/06/2021 Active
443535 Stevan Hunter Enrollee - WDR CERFILLEXC 06/15/2021 Active
459946 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
459945 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
398810 Cindy Rader 401 Certification CERFILLEXC 08/07/2015 Active
Total Regulatory Measures linked to Related Parties: 33
  
  
The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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