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California Integrated Water Quality System Project (CIWQS)
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Place ID 249771 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 249771 Paradise Ranch WWTP Wastewater Treatment Facility 36200 Paradise Ranch Castaic, CA, 91384 Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
560692 Organization Paradise Ranch LLC Owner and Operator Privately-Owned Business 11/22/2016
560693 Person Bo Zarnegin Contact 11/22/2016
528990 Person Bo Zarnegin Contact 03/16/2011 11/21/2016
528989 Organization Residential Fund 1347, LLC Owner Privately-Owned Business 03/16/2011 11/21/2016
523524 Person Thomas Bernard Contact 07/01/2010 03/15/2011
523523 Organization Remic Owner Privately-Owned Business 07/01/2010 03/15/2011
43407 Organization Santiago Associates LLC Owner Privately-Owned Business 09/23/1970 06/30/2010
Total Related Parties: 7
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
259859 Letter 4 WDR 1 Historical N
381339 WDR 4 WDRMUNIOTH R4-2011-0177 4A191030001 11/10/2011 Active N
250221 Letter 4 WDR Letter 4A191030001 08/09/2002 Historical N
134673 Reclamation Requirements 4 REC 89-029 4A191030001 03/27/1989 03/27/2012 Historical N
133046 Reclamation Requirements 4 REC 70-059 4A191030001 09/23/1970 09/23/1975 Historical N
Total Reg Measures: 5
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1096992 09/30/2021 Deficient Reporting 3Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1096989 09/08/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 37.0 mg/L. Violation B Report
1096991 08/31/2021 Deficient Reporting 3Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1096988 08/02/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 45.0 mg/L. Violation B Report
1096990 07/31/2021 Deficient Reporting 3Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1096987 07/12/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 40.0 mg/L. Violation B Report
1096995 06/30/2021 Deficient Reporting 2Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1096998 06/07/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 46.0 mg/L. Violation B Report
1096994 05/31/2021 Deficient Reporting 2Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1097369 05/17/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 12 mg/L. Violation B Report
1096997 05/17/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 46.0 mg/L. Violation B Report
1096993 04/30/2021 Deficient Reporting 2Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP. Violation B Report
1096996 04/05/2021 CAT1 Nitrate, Total (as N) Daily Maximum limit is 10.0 mg/L and reported value was 20.0 mg/L. Violation B Report
1097368 03/31/2021 Deficient Reporting 1Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP for the month of March. Violation B Report
1097373 03/08/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 39 mg/L. Violation B Report
1097367 02/28/2021 Deficient Reporting 1Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP for the month of February. Violation B Report
1097371 02/09/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 22 mg/L. Violation B Report
1097375 02/09/2021 CAT1 Nitrite, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 31 mg/L. Violation B Report
1097366 01/31/2021 Deficient Reporting 1Q2021; Failure to monitor effluent monthly Residual Chlorine as required by MRP for the month of January. Violation B Report
1097370 01/18/2021 CAT1 Ammonia, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 39 mg/L. Violation B Report
1097376 01/18/2021 CAT1 Nitrite, Total (as N) Daily Maximum limit is 10 mg/L and reported value was 11 mg/L. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 21 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) Deficient Reporting = Deficient Reporting
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
387367 Cease and Desist Order R4-2011-0178 11/10/2011 Active
373524 Notice of Violation NOV 02/25/2010 Historical
327668 Admin Civil Liability R4-2006-0010-R 06/18/2007 Active
323399 Notice of Violation NOV 03/02/2007 Historical
323392 Notice of Violation NOV 01/31/2007 Historical
303267 Admin Civil Liability R4-2006-0010 03/20/2006 Superceded
303827 Clean-up and Abatement Order R4-2006-0011 03/20/2006 Historical
303817 13267 Letter 13267 Letter 08/18/2005 Historical
254654 Notice of Violation NOV 10/28/2004 Historical
250222 Notice of Violation NOV 10/17/2003 Historical
249468 Notice of Violation NOV 07/10/2002 Historical
246236 Notice of Violation NOV 07/23/2001 Historical
235311 Notice of Violation NOV 04/09/2001 Historical
Total Enf Actions: 13
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
58246148 Complaint inspection Ann Chang 12/09/2024 N 0 N/A
58241689 Complaint inspection 12/09/2024 N 0 N/A
54833699 Complaint inspection Ann Chang 02/13/2024 N 0 Download
52642950 Complaint inspection Ann Chang 08/02/2023 N 0 Download
5690071 B Type compliance inspection Ann Chang 08/30/2011 Y 0 Download
3125001 Prerequirement inspection Dionisia Rodriguez 10/21/2010 Y 0 Download
338266 Follow-up inspection (enforcement) 03/30/2005 Y 1 N/A
522636 Follow-up inspection (enforcement) Joyce Lee 01/06/2004 Y 1 N/A
522635 Follow-up inspection (enforcement) Joyce Lee 11/05/2003 Y 1 N/A
326086 B Type compliance inspection Hoan Tang 03/21/2002 Y 0 N/A
326088 B Type compliance inspection Jaydeb Das 04/16/2001 Y 0 N/A
326012 B Type compliance inspection Hoan Tang 04/16/2001 Y 0 N/A
274711 B Type compliance inspection Kwang-il Lee 11/16/2000 Y 0 N/A
274713 B Type compliance inspection Ahmad Lamaa 06/11/1997 Y 0 N/A
274712 B Type compliance inspection Ahmad Lamaa 06/14/1996 Y 0 N/A
Total Inspections: 15 Last Inspection: 12/09/2024
  
The current report was generated with data as of: 11/03/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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