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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
20185 Heritage Ranch CSD Special District 4870 Heritage Road Paso Robles, CA 93446 None None
  
  
  
  
Expand/Contract Related Places
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 None
769806 Heritage Ranch Community Services District Gallery Wells Repair San Luis Obispo 3 Dredge/Fill Site Operator 08/16/2011 None
632026 Heritage Ranch CS San Luis Obispo 3 Collection_System Owner 04/07/2006 None
230132 Heritage Ranch WWTP San Luis Obispo 3 Wastewater Treatment Facility Owner 11/14/1994 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
652571 Roy Arnold Person Employee 11/04/2025 None None
652571 Roy Arnold Person Legally Responsible Official 11/07/2025 None None
649029 Kayla Bernal Person Data Submitter 02/27/2025 None None
644472 Mike Wilcox Person Data Submitter 03/29/2024 None None
634328 Mariah Fluitt Person Data Submitter 08/19/2022 None None
628096 Madison Pierce Person Data Submitter 10/19/2021 None None
609572 ALEXANDRA BALL Person Data Submitter 06/24/2020 07/14/2021 None
601313 Julie Ridgeway Person Data Submitter 09/10/2019 07/14/2021 None
568191 Jason Molinari Person Legally Responsible Official 09/08/2017 03/30/2020 None
564867 Scott Duffield Person Legally Responsible Official 07/11/2017 None None
558510 Cara Aguiar Person Data Submitter 08/08/2017 None None
553604 Krista Young Person Data Submitter 02/21/2017 03/04/2025 None
109296 John D'Ornellas Person Legally Responsible Official 03/07/2006 06/15/2017 None
109296 John D'Ornellas Person Facility Contact 11/14/1994 06/15/2017 None
109296 John D'Ornellas Person Facility Contact 04/07/2006 06/15/2017 None
Total Related Parties: 15
  
  
  
  
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?
418018 NPDES Permit 3 3 401013001 Active NPDMUNIOTH R3-2017-0026 12/01/2017 None Discharger 12/14/2017 None N
407899 Enrollee - NPDES 3 4DW0127 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 07/01/2016 None N
380852 401 Certification 3 None Historical CERFILLEXC None 09/19/2011 09/17/2016 Discharger 08/16/2011 None N
379540 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH R3-2011-0007 06/01/2011 11/30/2017 Discharger 09/01/2010 None N
306484 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH R3-2006-0012 03/24/2006 05/31/2011 Discharger 02/02/2001 None N
301728 Enrollee 3 3SSO10275 Active SSOMUNISML 2022-0103-DWQ 10/11/2006 None Discharger 04/21/2006 None N
146992 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 95-036 07/14/1995 02/01/2001 Discharger 07/14/1995 None N
146922 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 94-021 03/11/1994 07/14/1995 Discharger 03/11/1994 None N
144674 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 91-010 07/12/1991 03/11/1994 Discharger 07/12/1991 None N
143832 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 89-012 01/13/1989 07/12/1991 Discharger 01/13/1989 None N
143599 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 77-074 12/09/1977 06/13/1986 Discharger 12/09/1977 None N
143504 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 86-095 06/13/1986 01/13/1989 Discharger 06/13/1986 None N
142875 NPDES Permit 3 3 401013001 Historical NPDMUNIOTH 73-024 01/01/1973 12/09/1977 Discharger 01/01/1973 None N
Total Regulatory Measures: 13
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1153620 03/31/2026 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 mg/L and reported value was 35.3 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1153619 03/04/2026 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 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
1153373 03/17/2026 Order Conditions Failure to properly operate and maintain treatment facility in violation of Permit Section VI, Provisions, Subsection A, Standard Provisions, Items 1 and 2 requires the CSD to comply with all Standard Provisions and Central Coast Water Board Standard Provisions included in Attachment D of the Permit. Attachment D - Standard Provisions Section I, Standard Provisions - Permit Compliance, Subsection D, Proper Operation and Maintenance. Two of the three necessary process control aerators for Pond 1 failed with no existing backup or auxiliary systems in place, or in redundancy, to ensure continued compliance with the permit. Violation None Complaint Heritage Ranch WWTP 418018 R3-2017-0026 N
1153372 03/17/2026 Order Conditions Causing nuisance odors beyond treatment facility boundaries in violation of Permit Section VI, Provisions, Subsection A, Standard Provisions, Items 1 and 2 requiring the CSD to comply with all Standard Provisions and Central Coast Water Board Standard Provisions included in Attachment D of the Permit. Attachment D - Standard Provisions Section VIII, Central Coast Water Board Standard Provisions (January 2013), Subsection B, Central Coast Standard Provision - Provisions, Item 1 states the ¿Collection, treatment, and discharge of waste shall not create a nuisance or pollution, as defined in California Water Code (CWC) 13050.¿ Violation N Complaint Heritage Ranch WWTP 418018 R3-2017-0026 N
1152896 02/28/2026 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
1152895 02/28/2026 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 30 mg/L and reported value was 39 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1149625 10/11/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average 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
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
1146465 07/31/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 11 ug/L and reported value was 20 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 Y
1146464 07/19/2025 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
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
1141604 02/08/2025 CAT1 Total Suspended Solids (TSS) Weekly Average 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 Y
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
1140506 01/09/2025 CAT1 Nitrate, Total (as N) Daily Maximum limit is 17 mg/L and reported value was 35 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 Y
1139096 12/21/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average 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 Y
1138292 11/12/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 26 MPN/100 mL at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1138291 11/06/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 26 MPN/100 mL at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1138290 11/05/2024 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 26 MPN/100 mL at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1133422 06/12/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Root Intrusion caused 200 gallons of sewage to spill from Other Sewer System Structure at 4597 Creekside Lane to Drainage Conveyance System that discharges to surface water, Paved Surface, Surface Water Violation None SSO Heritage Ranch CS 301728 2022-0103-DWQ N
1128969 05/04/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) 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
1128106 04/30/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 mg/L and reported value was 35 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1128105 04/27/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 45 mg/L and reported value was 50 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1123336 12/07/2023 CAT1 Nitrite Plus Nitrate (as N) Maximum Daily (MDEL) limit is 17 mg/L and reported value was 18.8 mg/L. Violation N eSMR Heritage Ranch WWTP 449668 R3-2022-0046 N
1118697 06/08/2023 CAT1 Nitrite Plus Nitrate (as N) Daily Maximum limit is 17 mg/L and reported value was 26 mg/L. Violation N eSMR Heritage Ranch WWTP 449668 R3-2022-0046 N
1116915 04/30/2023 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 30 mg/L and reported value was 31 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1116914 04/08/2023 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 84 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 Y
1116913 04/05/2023 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 3 ml/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 Y
1107613 07/07/2022 CAT2 Copper, Total Monthly Average limit is 18 ug/L and reported value was 20.2 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1103347 03/10/2022 Enforcement Action Copper, Total Recoverable Monthly Average limit is 18 ug/L and reported value was 19.9 ug/L. Violation N eSMR Heritage Ranch WWTP 442915 R3-2018-0011 N
1102427 02/24/2022 CAT2 Copper, Total Recoverable Daily Maximum limit is 25 ug/L and reported value was 28 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1102426 02/24/2022 CAT2 Copper, Total Recoverable 30-Day Average limit is 18 ug/L and reported value was 28 ug/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1102425 03/01/2022 Deficient Monitoring There was an oversight on our part and we did not take the H1-2022 semi-annual samples in January. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 N
1102123 03/02/2022 Late Report Semi-Annual SMR ( MONNPDES ) (Semi Annual Effluent/RW) report for H1 2022 (2008770) was due on 01-MAR-22 and received on 3/25/22. Violation None Report Heritage Ranch WWTP 418018 R3-2017-0026 N
1093638 07/16/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 25.8 mg/L at M-001. Violation N eSMR Heritage Ranch WWTP 418018 R3-2017-0026 Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 34
*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
465001 Expedited Payment Letter R3-2026-0042 EPL R3-2026-0042 for Heritage Ranch CSD WWTP NPDMUNIOTH 04/29/2026 Active
457030 Admin Civil Liability R3-2024-0039 ACL R3-2024-0039 for Heritage Ranch CSD NPDMUNIOTH 07/12/2024 Historical
449668 Time Schedule Order R3-2022-0046 TSO R3-2022-0046 for Heritage Ranch CSD WWTP NPDMUNIOTH 10/14/2022 Active
444961 Admin Civil Liability R3-2021-0030 ACL R3-2021-0030 for Heritage Ranch CSD NPDMUNIOTH 11/01/2021 Historical
442915 Time Schedule Order R3-2018-0011 TSO R3-2018-0011 for Heritage Ranch CSD WWTP NPDMUNIOTH 05/18/2018 Historical
436233 Admin Civil Liability R3-2020-0008 ACL R3-2020-0008 for Heritage Ranch CSD NPDMUNIOTH 02/27/2020 Historical
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
304605 Oral Communication None Oral Communication for Heritage Ranch WWTP NPDESWW 03/15/2006 Historical
227942 Oral Communication UNKNOWN Enforcement - 3 401013001 NPDESWW 07/18/2000 Historical
222943 Cease and Desist Order 86-096 Enforcement - 3 401013001 NPDESWW 06/13/1986 Historical
221936 Cease and Desist Order 86-09601 Enforcement - 3 401013001 NPDESWW 03/11/1994 Historical
Total Enforcement Actions: 12
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 05/19/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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