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California Integrated Water Quality System Project (CIWQS)
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Place ID 273185 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
5F 273185 Riverdale WWTF Wastewater Treatment Facility 20896 Malsbary Riverdale, CA, 93656-9274 Fresno
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
81799 Person Ron Bass Contact 06/17/2005 06/07/2017
37493 Organization Riverdale PUD Owner Special District 03/24/1958
Total Related Parties: 2
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
331900 WDR 5F WDRMUNILRG 5D100114001 Never Active N
446681 Letter 5F WDRMUNILRG 5D100114001 02/17/2022 Historical N
411621 WDR 5F WDRMUNILRG R5-2018-0028 5D100114001 04/06/2018 04/06/2028 Active N
144572 WDR 5F WDRMUNILRG 85-252 5D100114001 09/27/1985 Historical N
143567 WDR 5F WDRMUNILRG 58-023 5D100114001 03/24/1958 03/24/1963 Historical N
Total Reg Measures: 5
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1102367 02/02/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 180.0 mg/L. Violation B Report
1102365 02/02/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 55.0 mg/L. Violation B Report
1097515 12/01/2021 Order Conditions Inadequate freeboard Violation B Inspection
1096737 11/02/2021 DMON 7M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1096739 11/02/2021 DMON 9M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x), 12-month rolling EC Avg Violation B Report
1096738 11/02/2021 LREP 8M 2021; SMR missing Violation B Report
1096731 08/02/2021 DMON 4M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1096734 08/02/2021 DMON 5M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1096736 08/02/2021 LREP 6M 2021; SMR missing Violation B Report
1102364 08/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 51.0 mg/L. Violation B Report
1102363 08/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 87.0 mg/L. Violation B Report
1092892 05/02/2021 DMON 1M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1092893 05/02/2021 DMON 2M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1092894 05/02/2021 DMON 3M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS, BOD (1x),12-month rolling EC Avg Violation B Report
1102360 05/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 57.0 mg/L. Violation B Report
1102361 05/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 68.0 mg/L. Violation B Report
1102362 05/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 92.0 mg/L. Violation B Report
1092886 02/02/2021 DMON 10M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092889 02/02/2021 DMON 11M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1096740 02/02/2021 DMON 9M 2021; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS,12-month rolling EC Avg Violation B Report
1092891 02/02/2021 LREP 12M 2020; SMR missing Violation B Report
1102358 02/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 130.0 mg/L. Violation B Report
1102359 02/02/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 200.0 mg/L. Violation B Report
1092878 11/02/2020 DMON 7M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB,TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092885 11/02/2020 DMON 9M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB,TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092882 11/02/2020 LREP 8M 2020; SMR Missing Violation B Report
1102357 11/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 120.0 mg/L. Violation B Report
1102356 11/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 160.0 mg/L. Violation B Report
1092880 11/02/2020 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 40.0 mg/L and reported value was 160.0 mg/L. Violation B Report
1092867 08/02/2020 DMON 4M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB,TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092872 08/02/2020 DMON 5M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB, TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092876 08/02/2020 LREP 6M 2020; SMR missing Violation B Report
1102355 08/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 100.0 mg/L. Violation B Report
1102354 08/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 150.0 mg/L. Violation B Report
1092874 08/02/2020 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 40.0 mg/L and reported value was 100.0 mg/L. Violation B Report
1092868 08/02/2020 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 40.0 mg/L and reported value was 150.0 mg/L. Violation B Report
1092860 05/02/2020 DMON 1M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB,TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092865 05/02/2020 DMON 2M 2020; SMR missing pH, TDS, General Minerals, Nitrate, Ammonia, TKN, TN, Chloride, FB,TSS (1x), BOD (1x),12-month rolling EC Avg Violation B Report
1092866 05/02/2020 LREP 3M 2020; SMR Missing Violation B Report
1102353 05/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 53.0 mg/L. Violation B Report
1102352 05/02/2020 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 40.0 mg/L and reported value was 59.0 mg/L. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 41 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) DMON = Deficient Monitoring
LREP = Late Report Order Conditions = Order Conditions
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
445965 Notice of Violation null 12/09/2021 Active
386614 Oral Communication 07/26/2012 Historical
317357 Notice of Violation 01/05/2006 Historical
251474 Notice of Violation 12/31/2003 Historical
242457 Notice of Violation 06/18/2003 Historical
242108 Notice of Violation 04/30/2002 Historical
Total Enf Actions: 6
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
46029851 B Type compliance inspection Jeffrey Hannel 12/01/2021 N 0 N/A
28029670 B Type compliance inspection Jeffrey Pyle 03/07/2017 N 0 N/A
24456608 B Type compliance inspection Omar Mostafa 05/04/2016 N 0 N/A
11847258 B Type compliance inspection Hossein Aghazeynali 10/24/2012 N 0 N/A
330526 A Type compliance inspection Amy M Simpson 05/08/2003 Y 0 N/A
300962 A Type compliance inspection Jeff Gymer 02/20/2002 Y 0 N/A
300967 B Type compliance inspection Jeff Gymer 04/19/2001 Y 0 N/A
300966 B Type compliance inspection Kit Lai 06/05/1998 Y 0 N/A
300963 B Type compliance inspection Martin Sandoval 02/06/1997 Y 0 N/A
300964 A Type compliance inspection Martin Sandoval 02/01/1995 Y 0 N/A
300965 A Type compliance inspection Martin Sandoval 03/15/1994 Y 0 N/A
Total Inspections: 11 Last Inspection: 12/01/2021
  
The current report was generated with data as of: 04/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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