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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
351036 Sonoma County PRMD County Agency 2550 Ventura Avenue Santa Rosa, CA 95404 707-565-1909(+) None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
272869 Wohler Road Culverts PM 11.29/11.43 Sonoma 1 Dredge/Fill Site Owner 04/28/2004 None
834707 Windsor River Road Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner and Operator 04/25/2017 None
889122 St. Helena Road PM 14.71 Road & Bank Repair Project Sonoma 1 Dredge/Fill Site Owner 06/27/2023 None
887673 St Helena Road PM 13,78 Culvert & Calistoga Road PM 10.08 Repair Project Sonoma 1 Dredge/Fill Site Owner 04/14/2023 None
831393 Sonoma Mountain Road PM 21.28 Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner and Operator 01/03/2017 None
252848 Sonoma County River Road PM 11.64 Sonoma 1 Dredge/Fill Site Owner 09/18/2003 None
756811 Sonoma County PRMD, Grape Creek Box Culvert and Fish Passage Enhancement Project Sonoma 1 Dredge/Fill Site Is A Data Submitter For 07/16/2010 None
856874 Sonoma County DOT - Geyserville River Road Emergency Bank Repair Project Sonoma 1 Dredge/Fill Site Operator 03/12/2019 None
720643 Sonoma County DOT & PW Camp Meeker Culvert Replacement Project Sonoma 1 Dredge/Fill Site Operator 06/25/2007 None
778651 Sonoma County - Mun Separate Storm Sewer, MS4 Sonoma 1 MS4 Owner and Operator 07/14/2014 None
720249 Sonoma CDOT Dry Creek Rd @ Lytton Springs Rd Culvert Maintenance Project Sonoma 1 Dredge/Fill Site Owner and Operator 06/24/2008 None
766599 SCPRMD Mill Creek Confluence Sonoma 1 Dredge/Fill Site Operator 05/17/2011 None
766597 SCPRMD Hanson Pits Sonoma 1 Dredge/Fill Site Owner and Operator 05/17/2011 None
720580 SC DOT and PW Geyserville/River Roadside Ditch Cleaning Project Sonoma 1 Dredge/Fill Site Operator 07/13/2007 None
255690 Santa Rosa Ave SW Drain Project None 1 Dredge/Fill Site Owner 03/05/2004 None
751551 Russian River Summer Crossings (Asti & Guerneville) Sonoma 1 Dredge/Fill Site Owner 04/08/2010 None
873936 Russian River Summer Crossing - Vacation Beach Sonoma 1 Dredge/Fill Site Operator 05/04/2021 None
873935 Russian River Summer Crossing - Asti Sonoma 1 Dredge/Fill Site Operator 05/04/2021 None
896224 River Road Bank Stabilization Russian River near Geyserville Sonoma 1 Dredge/Fill Site Owner 08/28/2024 None
895971 Porter Creek Bridge Repair Project Sonoma 1 Dredge/Fill Site Owner 08/08/2024 None
721199 Paulin Creek at County Farm Road Retaining Wall Replacement Project Sonoma 1 Dredge/Fill Site Operator 09/10/2007 None
241272 Monte Rio Community WW System Sonoma 1 Wastewater Treatment Facility Owner 03/20/2001 None
237552 Lower Russian River Summer Crossings Sonoma 1 Dredge/Fill Site Owner 11/04/2002 None
725958 Little Wohler Creek over Mark West Creek Bridge Replacement Project Sonoma 1 Dredge/Fill Site Interested Party 09/09/2008 None
832787 Lichau Road at Copeland Creek Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner and Operator 02/14/2017 None
887671 Leslie Road Washout Project Sonoma 1 Dredge/Fill Site Owner 04/14/2023 None
229927 Healdsburg Transfer Station Sonoma 1 Dredge/Fill Site Owner 04/27/2005 None
794193 Frei Road Sediment Removal Project Sonoma 1 Dredge/Fill Site Operator 05/15/2013 None
216163 Crocker Road Bridge Project Sonoma 1 Dredge/Fill Site Operator 01/13/2003 None
887665 Cherry Creek Road & Bank Repair Project Sonoma 1 Dredge/Fill Site Owner 04/14/2023 None
747238 Charles M. Schulz - Sonoma Valley Airport Vegetation Sonoma 1 Dredge/Fill Site Responsibility For 11/30/2009 None
889390 Cazadero Highway Washout Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner 07/07/2023 None
889123 Canyon Road Bank Repair Project Sonoma 1 Dredge/Fill Site Owner 06/27/2023 None
889449 Bohemian Highway PM 11.70 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 07/13/2023 None
721942 Bennett Valley Rd @ Holland Drive Storm Water Ditch Maintenance Project Sonoma 1 Dredge/Fill Site Operator 08/29/2006 None
893284 Austin Creek Road & Bank Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner 02/05/2024 None
206613 Asti Summer Crossing - Russian River Sonoma 1 Dredge/Fill Site Owner 12/04/2002 None
873542 5C West Dry Creek Road PM 10.95 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner and Operator 04/15/2021 None
873451 5C Walling Road PM 10.78 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner and Operator 04/08/2021 None
873449 5C Walker Road PM 11.93 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner and Operator 04/08/2021 None
873496 5C Summerhome Park Road PM 10.23 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Operator 04/15/2021 None
890493 5C Sexton Road PM 10.95, 10.84 & 10.53 Culvert Replacements Project Sonoma 1 Dredge/Fill Site Owner 09/25/2023 None
878933 5C Mill Creek Road Emergency Repair Project Sonoma 1 Dredge/Fill Site Owner 01/21/2022 None
895100 5C Lytton Springs Road PM 11.06 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Owner 05/31/2024 None
873543 5C Laurel Dell Avenue PM 10.11 Culvert Replacement Project Sonoma 1 Dredge/Fill Site Operator 04/15/2021 None
860353 5C Laughlin Road Culverts Replacement Project Sonoma 1 Development Site, NEC Owner and Operator 08/09/2019 None
896704 5C Gericke Road Flooding Reduction & Water Quality Improvement Project Sonoma 1 Dredge/Fill Site Owner 09/30/2024 None
878928 5C Cazadero Highway PM 10.64 Emergency Road Repair Project Sonoma 1 Development Site, NEC Owner 01/21/2022 None
890506 5C Burnside Road PM 20.36 Culvert Replacement Project Sonoma 1 Development Site, NEC Owner and Operator 09/25/2023 None
873493 5C Bisordi Lane PM 10.35 Culvert Replacement Project Sonoma 1 Development Site, NEC Operator 04/12/2021 None
645395 1B07002WNSO Sonoma County, Old Redwood Highway Bicycle Lanes - Windsor Sonoma 1 Dredge/Fill Site Owner and Operator 01/08/2007 None
870811 1502 Los Alamos Road Glass Fire Emergency Culvert Repair Project Sonoma 1 Dredge/Fill Site Owner and Operator 12/07/2020 None
Total Related Places: 52
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
638999 David Walsh Person Employee 04/14/2023 None None
638999 David Walsh Person Legally Responsible Official 04/13/2023 None None
526431 Rob Houweling Person Legally Responsible Official 07/11/2022 None None
602159 Rob Aguero Person Legally Responsible Official 01/21/2022 None None
569606 Deborah Waller Person Legally Responsible Official 04/15/2021 None None
602159 Rob Aguero Person Employee 09/16/2019 None None
569606 Deborah Waller Person Legally Responsible Official 05/10/2018 None None
563633 Chris Seppeler Person Employee 04/25/2017 None None
541959 Jackson Ford Person Legally Responsible Official 01/03/2017 None None
555034 Mary Nicholl Person Employee 03/09/2016 None None
553789 North Coast Region MS4 Phase 1 Organization In an Agreement With 11/25/2015 None Government Agency Combination
547522 DeWayne Starnes Person Employee 07/14/2014 None None
547521 Reg Cullen Person Employee 07/14/2014 None None
475259 Crystal Acker Person Facility Contact 06/26/2008 None None
474693 John Souza Person Facility Contact 06/24/2008 None None
370497 Laura Peltz Person Facility Contact 03/22/2007 None None
349486 Wiles Edison Person Employee 11/02/2006 None None
125002 Richard Stabler Person Legally Responsible Official 03/20/2001 None None
Total Related Parties: 18
  
  
  
  
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?
132103 WDR 1 1B01021RSON Historical WDRMUNILRG R1-2002-0009 03/28/2002 01/19/2012 Discharger 03/28/2002 None N
412918 Enrollee - Waiver 1 1B170434WNSO Historical CERFILLEXC RGP 5 04/27/2017 05/31/2017 Discharger 04/25/2017 None N
442866 Enrollee - Waiver 1 1B21067WNSO Historical WDRNONMUNIPRCS R1-2022-0031 04/07/2021 06/30/2023 Discharger 04/08/2021 None N
442867 Enrollee - Waiver 1 1B21068WNSO Active WDRNONMUNIPRCS R1-2022-0031 05/04/2021 None Discharger 04/08/2021 None N
442946 Enrollee - Waiver 1 1B21081WNSO Historical WDRNONMUNIPRCS R1-2022-0031 04/13/2021 06/30/2023 Discharger 04/15/2021 None N
446373 Enrollee - Waiver 1 1B21247WNSO Historical WDRNONMUNIPRCS R1-2022-0031 11/19/2021 06/30/2023 Discharger 01/21/2022 None N
433457 Enrollee - Waiver 1 1B190113WNSO Historical WDRNONMUNIPRCS R1-2022-0031 07/22/2019 06/30/2023 Discharger 08/09/2019 None N
442900 Enrollee - Waiver 1 1B21072WNSO Active WDRNONMUNIPRCS R1-2022-0031 04/12/2021 None Discharger 04/15/2021 None N
457127 Enrollee - Waiver 1 1B24068WNSO Active CERFILLEXC R1-2023-0034 07/24/2024 None Discharger 05/31/2024 None N
442947 Enrollee - Waiver 1 1B21082WNSO Active CERFILLEXC R1-2022-0031 04/14/2021 None Discharger 04/15/2021 None N
452284 Enrollee - 401 Certification 1 1B23036WNSO Historical CERFILLEXC 2019-0044-EXEC 06/23/2023 01/10/2024 Discharger 04/14/2023 None N
452287 Enrollee - 401 Certification 1 1B23037WNSO Active CERFILLEXC 2019-0044-EXEC 06/23/2023 None Discharger 04/14/2023 None N
452272 Enrollee - 401 Certification 1 1B23035WNSO Active CERFILLEXC 2019-0044-EXEC 06/23/2023 None Discharger 04/14/2023 None N
453383 Enrollee - 401 Certification 1 1B23105WNSO Active CERFILLEXC 2019-0044-EXEC 07/08/2024 None Discharger 07/07/2023 None N
453210 Enrollee - 401 Certification 1 1B23096WNSO Active CERFILLEXC 2019-0044-EXEC 07/08/2024 None Discharger 06/27/2023 None N
441519 Enrollee - 401 Certification 1 1B20214WNSO Active CERFILLEXC 2019-0044-EXEC 12/16/2020 None Discharger 12/07/2020 None N
429355 Enrollee - 401 Certification 1 1B190013WNSO Historical CERFILLEXC RGP 5 None 01/05/2023 Discharger 03/12/2019 None N
411245 Enrollee - 401 Certification 1 1B161717WNSO Historical CERFILLEXC RGP 5 12/27/2016 11/29/2023 Discharger 01/03/2017 None N
179227 Enrollee - 401 Certification 1 1B03174WNSO Historical CERFILLEXC R1-2002-0080 10/06/2003 09/15/2023 Discharger 09/01/2005 None N
411833 Enrollee - 401 Certification 1 1B170092WNSO Historical CERFILLEXC RGP 5 04/20/2017 04/20/2022 Discharger 02/14/2017 None N
455745 Enrollee - 401 Certification 1 1B24014WNSO Historical CERFILLEXC 2019-0044-EXEC 03/04/2024 12/09/2024 Discharger 02/05/2024 None N
457997 Enrollee - 401 Certification 1 1B24103WNSO Active CERFILLEXC 2021-0048-DWQ 05/07/2025 None Discharger 08/08/2024 None N
453211 Enrollee - 401 Certification 1 1B23097WNSO Active CERFILLEXC 2019-0044-EXEC 07/08/2024 None Discharger 06/27/2023 None N
171481 401 Certification 1 1B02206WNSO Historical CERFILLEXC None 04/15/2004 04/15/2009 Discharger 06/17/2005 None N
390252 401 Certification 1 1B13057WNSO Historical CERDREDGE None 08/28/2013 08/28/2018 Discharger 05/15/2013 None N
443183 401 Certification 1 1B21109WNSO Active CERFILLEXC None 07/22/2021 None Discharger 05/04/2021 None N
171956 401 Certification 1 1B02180WNSO Historical CERFILLEXC None 04/22/2003 04/21/2008 Discharger 06/17/2005 None Y
348313 401 Certification 1 1B07117WNSO Historical CERFILLEXC None 10/02/2007 10/02/2012 Discharger 09/10/2007 None N
347746 401 Certification 1 1B08086WNSO Historical CERFILLEXC None 01/07/2011 01/06/2016 Discharger 06/24/2008 None N
171482 401 Certification 1 1B03005WNSO Historical CERFILLEXC None 07/31/2003 07/31/2008 Discharger 06/17/2005 None N
443181 401 Certification 1 1B21108WNSO Active CERFILLEXC None 07/21/2021 None Discharger 05/04/2021 None N
170394 401 Certification 1 1B04025WNSO Historical CERFILLEXC None 10/05/2004 10/05/2009 Discharger 06/17/2005 None N
348762 401 Certification 1 1B06129WNSO Historical CERFILLEXC None 10/11/2006 10/11/2011 Discharger 08/29/2006 None N
348000 401 Certification 1 1B07098WNSO Historical CERFILLEXC None 08/02/2007 08/01/2012 Discharger 06/25/2007 None N
318822 401 Certification 1 1B07002WNSO Historical CERFILLEXC None 05/29/2007 05/29/2012 Discharger 01/08/2007 None N
373751 401 Certification 1 1B10033WNSO Historical CERFILLEXC None 06/01/2010 12/31/2021 Discharger 04/08/2010 None Y
375867 401 Certification 1 1B10103WNSO Historical CERREST Small Habitat Restoration Project 09/23/2010 09/22/2015 Discharger 09/23/2010 None N
173688 401 Certification 1 1B04047WNSO Historical CERFILLEXC None 09/07/2004 09/07/2009 Discharger 06/17/2005 None N
Total Regulatory Measures: 38
  
  
  
  
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
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
419348 Mary Nicholl 401 Certification CERFILLEXC 01/28/2019 Active
404983 Mary Nicholl 401 Certification CERFILLEXC 06/06/2016 Historical
415119 Chris Seppeler 401 Certification CERFILLEXC 09/14/2017 Historical
417155 Deborah Waller Enrollee - 401 Certification CERFILLEXC 11/06/2017 Historical
417155 Deborah Waller Enrollee - 401 Certification CERFILLEXC 11/06/2017 Historical
439171 Rob Houweling Enrollee - 401 Certification CERFILLEXC 08/12/2020 Active
436019 Rob Aguero Enrollee - 401 Certification CERFILLEXC 02/11/2020 Historical
448506 Rob Aguero Enrollee - 401 Certification CERFILLEXC 09/27/2022 Active
434772 Rob Aguero Enrollee - 401 Certification CERFILLEXC 10/15/2019 Historical
436019 Rob Aguero Enrollee - 401 Certification CERFILLEXC 02/11/2020 Historical
448506 Rob Aguero Enrollee - 401 Certification CERFILLEXC 09/27/2022 Active
434772 Rob Aguero Enrollee - 401 Certification CERFILLEXC 10/15/2019 Historical
430023 Chris Seppeler Enrollee - WDR CERFILLEXC 05/20/2019 Active
459946 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
459945 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
459945 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
459946 Rob Aguero Enrollee - WDR VEGMANIP 10/31/2024 Active
412918 Chris Seppeler Enrollee - Waiver CERFILLEXC 04/27/2017 Historical
Total Regulatory Measures linked to Related Parties: 18
  
  
The current report was generated with data as of: 10/23/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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