General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 537334 Sonoma Cnty Water Agency (R2) County Agency 404 Aviation Boulevard Santa Rosa, CA 95403 707-526-5370 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 872981 Sonoma County Water Agency Stream Maintenance Program Sonoma 2 Dredge/Fill Site Owner 03/19/2021 null 857000 Emergency bank repair along Sonoma Creek, Glen Ellen Sonoma 2 Dredge/Fill Site Owner 03/18/2019 null 809151 Hudeman Slough Enhancement Wetlands Management: Maintenance Project Sonoma 2 Dredge/Fill Site Owner 09/15/2014 null 787208 Sonoma County Water Agency Sonoma 2 Dredge/Fill Site None null null 773871 Sonoma Valley County Sanitation District¿s Sewer Pipe and Sewer Pipe Support Rep Sonoma 2 Facility Owner 06/26/2013 null 767267 SVCSD Recycled Water Storage Reservoir Construction Project Sonoma 2 Facility Owner 06/07/2013 null 257753 Sonoma Valley CSD Recycled Water Program Sonoma 2 Recycled Water Use Area None null null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 537295 Jon Niehaus Person Employee 10/17/2012 null null 524113 Grant Davis Person Legally Responsible Official 10/17/2012 null null 474465 Keenan Foster Person Employee 10/17/2012 null null 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 442650 401 Certification 2 2 CW442650 401 Cert for Sonoma Cnty Water Agency (R2) Active CERFILLEXC null 04/14/2021 null Discharger 03/19/2021 null 411269 WDR 2 2-494092003 WDR R2-2016-0020 for Sonoma Cnty Water Agency (R2) Historical CERFILLEXC R2-2016-0020 04/13/2016 04/13/2021 Discharger 01/05/2017 null 398113 401 Certification 2 2 CW398113 401 Cert for Sonoma Cnty Water Agency (R2) Historical CERFILLEXC null 03/30/2015 01/17/2018 Discharger 09/15/2014 null 391664 401 Certification 2 null WQC 01/27/2012 for Sonoma County Water Agency (R2) Historical CERFILLEXC null 01/27/2012 01/25/2017 Discharger 06/26/2013 null 390571 401 Certification 2 null WQC 07/20/2011 for Sonoma County Water Agency (R2) Historical CERFILLEXC null 07/20/2011 10/31/2020 Discharger 06/07/2013 null 387746 WDR 2 2-494092003 WDR/WQ Cert for Sonoma Cnty Water Agency (SCWA) R2 Historical CERFILLEXC R2-2011-0020 04/15/2011 04/12/2016 Discharger 04/15/2011 null 145583 Reclamation Requirements 2 2 494030001 WRR Order No. 82-067 for Sonoma Valley County Sanitation District Historical REC 82-067 12/15/1982 04/15/1987 Discharger 12/15/1982 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