General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 526431 Rob Houweling null 2300 County Center Drive B100 Santa Rosa, CA 95403 707-565-5102(+) Rob.houweling@sonoma-county.org Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 867928 5C Willow Creek Road Improvement Project Phase II Sonoma 1 Dredge/Fill Site Contact 07/15/2020 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 611020 Sonoma County Dept of Trans & Public Works Organization Employee 07/15/2020 null County Agency 351036 Sonoma County PRMD Organization Legally Responsible Official 07/11/2022 null County Agency 41469 Sonoma Public Infrastructure Organization Legally Responsible Official 03/30/2011 null County Agency 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 439171 Enrollee - 401 Certification 1 1B20133WNSO Enrollee - 401 Certification for Sonoma County DOT & PW 5C Willow Creek Road Improvement Project Phase II Active CERFILLEXC R1-2023-0034 08/12/2020 null Discharger Contact 07/15/2020 null Violations within the past calendar 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 457498 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/11/2024 Active 457127 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 07/24/2024 Active 456558 Sonoma Public Infrastructure Enrollee - WDR CERFILLEXC 06/28/2024 Active 456441 Sonoma Public Infrastructure 401 Certification CERFILLEXC 05/29/2024 Active 455745 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 03/04/2024 Historical 455656 Sonoma Public Infrastructure Enrollee - WDR CERFILLEXC 03/11/2024 Historical 454767 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 01/10/2024 Active 454764 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 01/10/2024 Active 454129 Sonoma Public Infrastructure WDR LFNONOPER 06/15/2023 Active 453383 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active 453383 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active 453314 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 12/11/2023 Active 453211 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active 453210 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active 453159 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 07/07/2023 Historical 452733 Sonoma Public Infrastructure Enrollee - Waiver WDRNONMUNIPRCS 05/15/2023 Active 452287 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Active 452284 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Historical 452272 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Active 451317 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 07/06/2023 Active 449835 Sonoma Public Infrastructure 401 Certification CERFILLEXC 05/24/2023 Active 449384 Sonoma Public Infrastructure 401 Certification CERFILLEXC 02/17/2023 Active 449185 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 01/12/2023 Active 448569 Sonoma Public Infrastructure Enrollee - Waiver WDRNONMUNIPRCS 07/13/2022 Active 448506 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 09/27/2022 Active 448291 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 07/08/2022 Historical 447726 Sonoma Public Infrastructure 401 Certification CERFILLEXC 07/13/2022 Active 446537 Sonoma Public Infrastructure 401 Certification CERFILLEXC 04/10/2023 Active 446375 Sonoma Public Infrastructure Enrollee - Waiver WDRNONMUNIPRCS 12/02/2021 Historical 446373 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 11/19/2021 Historical 446300 Sonoma Public Infrastructure Enrollee - WDR CERFILLEXC 02/16/2022 Active 444637 Sonoma Public Infrastructure 401 Certification CERFILLEXC 12/06/2021 Active 443935 Sonoma Public Infrastructure Enrollee - Waiver WDRNONMUNIPRCS 06/23/2021 Historical 443535 Sonoma Public Infrastructure Enrollee - WDR CERFILLEXC 06/15/2021 Active 443409 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 08/30/2021 Historical 443253 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/05/2021 Active 443183 Sonoma County PRMD 401 Certification CERFILLEXC 07/22/2021 Active 443181 Sonoma County PRMD 401 Certification CERFILLEXC 07/21/2021 Active 443026 Sonoma Public Infrastructure Enrollee - Waiver WDRNONMUNIPRCS 05/04/2021 Historical 442947 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 04/14/2021 Active 442946 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/13/2021 Historical 442900 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/12/2021 Active 442867 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 05/04/2021 Active 442866 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/07/2021 Historical 441519 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 12/16/2020 Active 441217 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 11/10/2020 Historical 440550 Sonoma Public Infrastructure Enrollee - Waiver CERFILLEXC 09/25/2020 Historical 440197 Sonoma Public Infrastructure Enrollee - WDR LFNONOPER 09/11/2020 Active 439344 Sonoma Public Infrastructure Enrollee - Waiver CERFILLEXC 08/04/2020 Historical 439300 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 08/12/2020 Historical 439171 Sonoma County Dept of Trans & Public Works Enrollee - 401 Certification CERFILLEXC 08/12/2020 Active 438194 Sonoma Public Infrastructure Enrollee - Waiver CERFILLEXC 06/15/2020 Historical 437461 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 06/30/2020 Historical 437161 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 03/13/2020 Historical 436140 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 04/06/2020 Active 436019 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 02/11/2020 Historical 435968 Sonoma Public Infrastructure 401 Certification CERFILLEXC 12/19/2019 Historical 434772 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 10/15/2019 Historical 433457 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 07/22/2019 Historical 430705 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/13/2019 Active 430023 Sonoma Public Infrastructure Enrollee - WDR CERFILLEXC 05/20/2019 Active 429355 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC null Historical 424777 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 09/25/2019 Historical 423280 Sonoma Public Infrastructure Enrollee - Waiver CERFILLEXC 09/28/2018 Active 422980 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 08/29/2018 Historical 422442 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/12/2018 Historical 421229 Sonoma Public Infrastructure 401 Certification CERFILLEXC 07/27/2018 Active 419348 Sonoma Public Infrastructure 401 Certification CERFILLEXC 01/28/2019 Active 417155 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 11/06/2017 Historical 415119 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/14/2017 Historical 414078 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/29/2017 Historical 413005 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 10/03/2018 Active 412918 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 04/27/2017 Historical 411833 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 04/20/2017 Historical 411245 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 12/27/2016 Historical 408350 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/24/2018 Historical 408059 Sonoma Public Infrastructure 401 Certification CERFILLEXC 12/14/2016 Historical 404983 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/06/2016 Historical 403962 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/29/2016 Historical 403665 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 11/25/2015 Historical 402866 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 02/22/2016 Historical 401263 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 07/16/2015 Historical 398810 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/07/2015 Active 395635 Sonoma Public Infrastructure 401 Certification CERFILLEXC 05/30/2014 Historical 395376 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/29/2014 Historical 390372 Sonoma Public Infrastructure 401 Certification CERFILLEXC 08/28/2013 Historical 390252 Sonoma County PRMD 401 Certification CERDREDGE 08/28/2013 Historical 388818 Sonoma Public Infrastructure 401 Certification CERFILLEXC 04/07/2015 Historical 388645 Sonoma Public Infrastructure 401 Certification CERFILLEXC 02/27/2013 Historical 388476 Sonoma Public Infrastructure WDR LFOPER 03/14/2013 Historical 386822 Sonoma Public Infrastructure Enrollee - 401 Certification CERREST 08/28/2012 Historical 386114 Sonoma Public Infrastructure Enrollee - 401 Certification CERREST 07/31/2012 Historical 385607 Sonoma Public Infrastructure 401 Certification CERFILLEXC 07/03/2013 Historical 384426 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/21/2012 Historical 383744 Sonoma Public Infrastructure 401 Certification CERFILLEXC 01/10/2014 Historical 378377 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 03/25/2011 Historical 378360 Sonoma Public Infrastructure Enrollee - 401 Certification CERFILLEXC 03/25/2011 Historical 376434 Sonoma Public Infrastructure Resolution LNDISP 01/26/2005 Historical 375867 Sonoma County PRMD 401 Certification CERREST 09/23/2010 Historical 374411 Sonoma Public Infrastructure 401 Certification CERFILLEXC 10/21/2010 Historical 373751 Sonoma County PRMD 401 Certification CERFILLEXC 06/01/2010 Historical 349825 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/08/2009 Historical 349133 Sonoma Public Infrastructure 401 Certification CERFILLEXC 01/17/2006 Historical 349126 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/12/2005 Historical 349087 Sonoma Public Infrastructure 401 Certification CERFILLEXC 12/20/2007 Historical 348993 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/23/2005 Historical 348762 Sonoma County PRMD 401 Certification CERFILLEXC 10/11/2006 Historical 348469 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/15/2006 Historical 348313 Sonoma County PRMD 401 Certification CERFILLEXC 10/02/2007 Historical 348000 Sonoma County PRMD 401 Certification CERFILLEXC 08/02/2007 Historical 347989 Sonoma Public Infrastructure 401 Certification CERFILLEXC 07/29/2008 Historical 347746 Sonoma County PRMD 401 Certification CERFILLEXC 01/07/2011 Historical 318822 Sonoma County PRMD 401 Certification CERFILLEXC 05/29/2007 Historical 179227 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 10/06/2003 Historical 173720 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/16/2005 Historical 173688 Sonoma County PRMD 401 Certification CERFILLEXC 09/07/2004 Historical 172636 Sonoma Public Infrastructure 401 Certification CERFILLEXC 11/01/2004 Historical 171956 Sonoma County PRMD 401 Certification CERFILLEXC 04/22/2003 Historical 171829 Sonoma Public Infrastructure 401 Certification CERFILLEXC 05/20/2003 Historical 171628 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/27/2002 Historical 171482 Sonoma County PRMD 401 Certification CERFILLEXC 07/31/2003 Historical 171481 Sonoma County PRMD 401 Certification CERFILLEXC 04/15/2004 Historical 170394 Sonoma County PRMD 401 Certification CERFILLEXC 10/05/2004 Historical 169548 Sonoma Public Infrastructure 401 Certification CERFILLEXC 06/28/2002 Historical 155267 Sonoma Public Infrastructure 401 Certification CERFILLEXC 09/15/2005 Historical 138745 Sonoma Public Infrastructure WDR LNDISP 05/23/1996 Historical 138744 Sonoma Public Infrastructure WDR LFNONOPER 05/23/1996 Historical 138510 Sonoma Public Infrastructure WDR WDR 08/26/1999 Historical 138270 Sonoma Public Infrastructure WDR LNDISP 09/22/1993 Historical 138269 Sonoma Public Infrastructure WDR LNDISP 09/22/1993 Historical 138244 Sonoma Public Infrastructure WDR WDR 07/21/1999 Historical 137893 Sonoma Public Infrastructure WDR LFNONOPER 04/26/1989 Active 137847 Sonoma Public Infrastructure WDR LNDISP 02/22/1989 Historical 137728 Sonoma Public Infrastructure WDR UST 11/13/1991 Historical 137453 Sonoma Public Infrastructure WDR LFNONOPER 01/19/1984 Active 137351 Sonoma Public Infrastructure WDR LNDISP 04/20/1978 Historical 137279 Sonoma Public Infrastructure WDR LFNONOPER 05/23/1990 Active 136917 Sonoma Public Infrastructure WDR LNDISP 01/30/1975 Historical 136631 Sonoma Public Infrastructure WDR LNDISP 09/25/1980 Historical 135968 Sonoma Public Infrastructure WDR LNDISP 08/25/2000 Historical 135967 Sonoma Public Infrastructure WDR LNDISP 08/25/2000 Historical 132476 Sonoma Public Infrastructure WDR LFOPER 06/23/2004 Historical 132103 Sonoma County PRMD WDR WDRMUNILRG 03/28/2002 Historical