General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 2331 Atascadero City City Agency 6500 Palma Avenue Atascadero, CA 93422 805-461-5000 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 894546 Atascadero Creek Emergency Slope Stabilization San Luis Obispo 3 Dredge/Fill Site Owner 04/23/2024 null 829843 Atascadero Creek Pedestrian Bridge WDR San Luis Obispo 3 Dredge/Fill Site Owner 11/17/2016 null 726045 Atascadero Municipal SW San Luis Obispo 3 MS4 Owner 02/09/2012 null 631686 Atascadero Collection System San Luis Obispo 3 Collection_System Owner 04/06/2006 null 206653 Atascadero WWTP San Luis Obispo 3 Wastewater Treatment Facility Owner 02/01/2000 null 206648 Atascadero Aquatic Pesticides San Luis Obispo 3 Waterway/Shoreline Site Owner 02/13/2002 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 644371 Olivia Tahti Person Data Submitter 03/24/2024 null null 638987 Danielle Hakanson Person Data Submitter 04/13/2023 null null 560513 Ryan Hayes Person Legally Responsible Official 11/17/2016 null null 554909 Ryan Smith Person Data Submitter 03/02/2016 08/11/2022 null 554895 Landon Mortimer Person Data Submitter 03/01/2016 03/28/2017 null 554894 Tyler Lee Person Data Submitter 03/01/2016 01/06/2022 null 529230 David Athey Person Legally Responsible Official 09/26/2011 03/05/2015 null 448614 Geoffrey English Person Legally Responsible Official 11/29/2007 09/09/2011 null 401061 Barry Hardy Person Data Submitter 09/28/2007 null null 391640 Timothy Cleaver Person Legally Responsible Official 12/07/2021 null null 391640 Timothy Cleaver Person Data Submitter 08/01/2007 null null 391639 Justin Black Person Legally Responsible Official 08/01/2007 12/17/2021 null 74934 Mark Markwort Person Legally Responsible Official 04/06/2006 09/09/2011 null 74934 Mark Markwort Person Legal representative 06/17/2005 09/09/2011 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 453001 Enrollee - WDR 3 3 400100001 Enrollee - WDR under Gen WDR for Domestic WW Systems Over 100K GPD for Atascadero City Active WDRMUNILRG R3-2020-0020 06/06/2023 null Discharger 06/12/2023 null 442213 Resolution 3 3 400221860 Res R3-2018-0007 for Atascadero City Active WDRMUNIOWTS R3-2018-0007 12/07/2018 null Discharger 02/11/2021 null 440272 Co-Permitee SB 3 400100001 13627 Order Co-Permitee under 2020-0015-DWQ for Atascadero City Active SLIC 2020-0015-DWQ 07/09/2020 null Discharger 09/18/2020 null 383100 Enrollee 3 3 40MS04027 Enrollee under NPDES for Mun SW Systems for Atascadero City Historical MNSTW2 2003-0005-DWQ 11/19/2009 06/30/2013 Discharger 02/09/2012 null 300071 Enrollee 3 3SSO10222 Enrollee of SB SSO WDR for Atascadero, City Of Active SSOMUNILRG 2022-0103-DWQ 06/04/2007 null Discharger 04/10/2006 null 185353 Enrollee 3 3 400206021 ATASCADERO AQUATIC PESTICIDES Historical NPDNONMUNIPRCS 2001-0012-DWQ 02/13/2002 01/31/2004 Discharger 09/01/2005 null 143391 WDR 3 3 400100001 WDR 88-084 for ATASCADERO, CITY OF Historical WDRMUNILRG 88-084 07/08/1988 03/22/2001 Discharger 07/08/1990 null 143011 WDR 3 3 400100001 WDR 81-060 for ATASCADERO, CITY OF Historical WDRMUNILRG 81-060 06/12/1981 null Discharger 06/12/1981 null 142083 WDR 3 3 400100001 WDR 01-014 for City of Atascadero WWTP Historical WDRMUNILRG 01-014 03/23/2001 06/05/2023 Discharger 03/23/2001 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 374004 Notice of Violation null NOV 04/19/2010 for Atascadero, City of SSOMUNILRG 04/19/2010 Historical 373607 Oral Communication null Oral Com 01/21/2010 for Atascadero, City of SSOMUNILRG 01/21/2010 Historical 304739 Oral Communication null Oral Communication with Atascadero WWTP WDRMUNILRG 06/07/2005 Historical 228013 Notice of Violation UNKNOWN Enforcement - 3 400100001 WDRMUNILRG 08/22/2000 Historical 226798 Oral Communication UNKNOWN Enforcement - 3 400100001 WDRMUNILRG 10/29/1999 Historical 221697 Clean-up and Abatement Order 89-089 Enforcement - 3 400100001 WDRMUNILRG 03/14/1989 Historical 221447 Cease and Desist Order 92-068 Enforcement - 3 400100001 WDRMUNILRG 07/10/1992 Active Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status