General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 20185 Heritage Ranch CSD Special District 4870 Heritage Road Paso Robles, CA 93446 null null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 826598 Heritage Ranch CSD WS San Luis Obispo 3 Utility Structure Owner and Operator 07/25/2016 null 632026 Heritage Ranch CS San Luis Obispo 3 Collection_System Owner 04/07/2006 null 230132 Heritage Ranch WWTP San Luis Obispo 3 Wastewater Treatment Facility Owner 11/14/1994 null 769806 Heritage Ranch Community Services District Gallery Wells Repair San Luis Obispo 3 Dredge/Fill Site Operator 08/16/2011 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 601313 Julie Ridgeway Person Data Submitter 09/10/2019 07/14/2021 null 109296 John D'Ornellas Person Legally Responsible Official 03/07/2006 06/15/2017 null 558510 Cara Aguiar Person Data Submitter 08/08/2017 null null 628096 Madison Pierce Person Data Submitter 10/19/2021 null null 652571 Roy Arnold Person Employee 11/04/2025 null null 609572 ALEXANDRA BALL Person Data Submitter 06/24/2020 07/14/2021 null 564867 Scott Duffield Person Legally Responsible Official 07/11/2017 null null 553604 Krista Young Person Data Submitter 02/21/2017 03/04/2025 null 649029 Kayla Bernal Person Data Submitter 02/27/2025 null null 109296 John D'Ornellas Person Facility Contact 04/07/2006 06/15/2017 null 644472 Mike Wilcox Person Data Submitter 03/29/2024 null null 652571 Roy Arnold Person Legally Responsible Official 11/07/2025 null null 634328 Mariah Fluitt Person Data Submitter 08/19/2022 null null 109296 John D'Ornellas Person Facility Contact 11/14/1994 06/15/2017 null 568191 Jason Molinari Person Legally Responsible Official 09/08/2017 03/30/2020 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 407899 Enrollee - NPDES 3 4DW0127 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Heritage Ranch CSD Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 null Discharger 07/01/2016 null 418018 NPDES Permit 3 3 401013001 NPDES R3-2017-0026 for Heritage Ranch CSD WWTP Active NPDMUNIOTH R3-2017-0026 12/01/2017 null Discharger 12/14/2017 null 301728 Enrollee 3 3SSO10275 Enrollee of SB SSO WDR for Heritage Ranch Csd Active SSOMUNISML 2022-0103-DWQ 10/11/2006 null Discharger 04/21/2006 null 379540 NPDES Permit 3 3 401013001 NPDES R3-2011-0007 for HERITAGE RANCH CSD Historical NPDMUNIOTH R3-2011-0007 06/01/2011 11/30/2017 Discharger 09/01/2010 null 380852 401 Certification 3 null 401 Cert 08/16/2011 for HERITAGE RANCH CSD Historical CERFILLEXC null 09/19/2011 09/17/2016 Discharger 08/16/2011 null 306484 NPDES Permit 3 3 401013001 NPDES Order No. R3-2006-0012 for Heritage Ranch Historical NPDMUNIOTH R3-2006-0012 03/24/2006 05/31/2011 Discharger 02/02/2001 null 146992 NPDES Permit 3 3 401013001 NPDES 95-036 for HERITAGE RANCH CSD Historical NPDMUNIOTH 95-036 07/14/1995 02/01/2001 Discharger 07/14/1995 null 146922 NPDES Permit 3 3 401013001 NPDES 94-021 for HERITAGE RANCH CSD Historical NPDMUNIOTH 94-021 03/11/1994 07/14/1995 Discharger 03/11/1994 null 144674 NPDES Permit 3 3 401013001 NPDES 91-010 for HERITAGE RANCH CSD Historical NPDMUNIOTH 91-010 07/12/1991 03/11/1994 Discharger 07/12/1991 null 143832 NPDES Permit 3 3 401013001 NPDES 89-012 for HERITAGE RANCH CSD Historical NPDMUNIOTH 89-012 01/13/1989 07/12/1991 Discharger 01/13/1989 null 143504 NPDES Permit 3 3 401013001 NPDES 86-095 for HERITAGE RANCH CSD Historical NPDMUNIOTH 86-095 06/13/1986 01/13/1989 Discharger 06/13/1986 null 143599 NPDES Permit 3 3 401013001 NPDES 77-074 for HERITAGE RANCH CSD Historical NPDMUNIOTH 77-074 12/09/1977 06/13/1986 Discharger 12/09/1977 null 142875 NPDES Permit 3 3 401013001 NPDES 73-024 for HERITAGE RANCH CSD Historical NPDMUNIOTH 73-024 01/01/1973 12/09/1977 Discharger 01/01/1973 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. 1149625 10/08/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 45 mg/L and reported value was 51 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1142426 03/06/2025 CAT1 Nitrate, Total (as N) Maximum Daily (MDEL) limit is 17 % and reported value was 28 %. Violation N eSMR Heritage Ranch WWTP 449668 R3-2022-0046 N 1146466 07/10/2025 CAT2 Copper, Total Recoverable Daily Maximum limit is 25 ug/L and reported value was 32.4 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1146464 07/16/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 45 mg/L and reported value was 49 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1141604 02/05/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported value was 54 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1139096 12/17/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 7-Day Average (Mean) limit is 45 mg/L and reported value was 51 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1140507 01/09/2025 Deficient Monitoring On January 9, 2025, Heritage Ranch staff turned in the second bi-weekly coliform sample, but it was not analyzed by the laboratory. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1146465 07/10/2025 CAT2 Copper, Total Recoverable 30-Day Average limit is 18 ug/L and reported value was 32.4 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N 1140506 01/09/2025 CAT1 Nitrate, Total (as N) Daily Maximum limit is 17 mg/L and reported value was 34.6 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 404360 Admin Civil Liability R3-2016-0019 ACL R3-2016-0019 for Heritage Ranch CSD NPDMUNIOTH 03/29/2016 Historical 389486 Admin Civil Liability R3-2013-0026 ACL R3-2013-0026 for HERITAGE RANCH CSD NPDMUNIOTH 05/14/2013 Historical 457030 Admin Civil Liability R3-2024-0039 ACL R3-2024-0039 for Heritage Ranch CSD NPDMUNIOTH 07/12/2024 Historical 442915 Time Schedule Order R3-2018-0011 TSO R3-2018-0011 for Heritage Ranch CSD WWTP NPDMUNIOTH 05/18/2018 Historical 444961 Admin Civil Liability R3-2021-0030 ACL R3-2021-0030 for Heritage Ranch CSD NPDMUNIOTH 11/01/2021 Historical 436233 Admin Civil Liability R3-2020-0008 ACL R3-2020-0008 for Heritage Ranch CSD NPDMUNIOTH 02/27/2020 Historical 449668 Time Schedule Order R3-2022-0046 TSO R3-2022-0046 for Heritage Ranch CSD WWTP NPDMUNIOTH 10/14/2022 Active 222943 Cease and Desist Order 86-096 Enforcement - 3 401013001 NPDESWW 06/13/1986 Historical 304605 Oral Communication null Oral Communication for Heritage Ranch WWTP NPDESWW 03/15/2006 Historical 221936 Cease and Desist Order 86-09601 Enforcement - 3 401013001 NPDESWW 03/11/1994 Historical 227942 Oral Communication UNKNOWN Enforcement - 3 401013001 NPDESWW 07/18/2000 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status