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California Integrated Water Quality System Project (CIWQS)
   Facility At-A-Glance Report

  
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Place ID 228057 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
5F 228057 Groveland WWTF Wastewater Treatment Facility 18966 Ferretti Groveland, CA, 95321-0350 Tuolumne
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
18704 Organization Groveland CSD Owner Special District 02/07/2003
Total Related Parties: 1
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
139891 WDR 5F WDRMUNILRG 87-121 5C550100001 06/26/1987 06/23/1997 Active N
138932 WDR 5S WDRMUNILRG 77-216 5C550100001 07/22/1977 09/30/1988 Historical N
Total Reg Measures: 2
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1143123 03/06/2025 DMON March 2025 SMR: Missing effluent BOD sample. The SMR transmittal letter contained the following: Staff training was held to go over the permit required sampling, along with an upgraded sample log that has been implemented to help minimize the possibility of this issue in the future. Violation B Report
1142014 10/18/2024 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 350 MPN/100 mL. Installing fixed pH probe in the Influent Grit channel prior to the influent flow entering the Influent EQ basin and the WWTP. New probe will be integrated into SCADA with a low pH alarm call out for pH less than 5.5. Should be completed in November 2024. Violation B Report
1142017 10/18/2024 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 350 MPN/100 mL. Installing fixed pH probe in the Influent Grit channel prior to the influent flow entering the Influent EQ basin and the WWTP. New probe will be integrated into SCADA with a low pH alarm call out for pH less than 5.5. Should be completed in November 2024. Violation B Report
1142016 10/15/2024 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Installing fixed pH probe in the Influent Grit channel prior to the influent flow entering the Influent EQ basin and the WWTP. New probe will be integrated into SCADA with a low pH alarm call out for pH less than 5.5. Should be completed in November 2024. Violation B Report
1142013 10/09/2024 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 110 MPN/100 mL. Installing fixed pH probe in the Influent Grit channel prior to the influent flow entering the Influent EQ basin and the WWTP. New probe will be integrated into SCADA with a low pH alarm call out for pH less than 5.5. Should be completed in November 2024. Violation B Report
1142015 10/08/2024 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Installing fixed pH probe in the Influent Grit channel prior to the influent flow entering the Influent EQ basin and the WWTP. New probe will be integrated into SCADA with a low pH alarm call out for pH less than 5.5. Should be completed in November 2024. Violation B Report
1141946 07/15/2024 LREP 6M; Missing Monthly Report Violation B Report
1141947 04/15/2024 LREP 3M; Missing Monthly Report Violation B Report
1141948 03/22/2024 LREP 2M; SMR due the 15th day of the following month, SMR submitted 7 days late. Violation B Report
1141951 02/15/2024 LREP 2023 Annual SMR; due the 30th day of January the following year, SMR submitted 16 days late. Violation B Report
1141949 01/16/2024 LREP 12M; SMR due the 15th day of the following month, SMR submitted 1 day late. Violation B Report
1142005 11/07/2023 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 350 MPN/100 mL. Violation B Report
1142004 11/07/2023 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 350 MPN/100 mL. Violation B Report
1141950 03/20/2023 LREP 2M; SMR due the 15th day of the following month, SMR submitted 5 days late. Violation B Report
1141952 01/31/2023 LREP 2022 Annual SMR; due the 30th day of January the following year, SMR submitted 1 day late. Violation B Report
1141977 09/07/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1142003 09/07/2022 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1142002 09/06/2022 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1141962 08/24/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 49 MPN/100 mL. Violation B Report
1141963 08/17/2022 OEV Total Coliform 7-Day Median limit is 23.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1141965 08/17/2022 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1141961 06/25/2022 OEV Total Coliform 7-Day Median limit is 23 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1141960 06/24/2022 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 920 MPN/100 mL. Violation B Report
1141959 06/22/2022 OEV Total Coliform Daily Maximum limit is 240.0 MPN/100 mL and reported value was 1600 MPN/100 mL. Violation B Report
1141954 02/28/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 ml/L and reported value was 45 ml/L. Violation B Report
1141956 02/16/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Daily Maximum limit is 80 ml/L and reported value was 100 ml/L. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 26 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 OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
462398 Staff Enforcement Letter null 08/29/2025 Active
390500 Admin Civil Liability R5-2013-0542 07/11/2013 Historical
383884 Notice of Violation null 04/09/2012 Active
382365 Notice of Violation null 12/08/2011 Active
377379 Notice of Violation 02/16/2011 Active
377596 13267 Letter null 02/16/2011 Historical
255016 Oral Communication 02/11/2005 Historical
243070 Oral Communication 07/23/2003 Historical
244197 Admin Civil Liability 5-01-516 09/13/2001 Historical
352487 Clean-up and Abatement Order R5-2001-0713 06/18/2001 Active
231432 Notice of Violation 08/25/2000 Historical
232433 Notice of Violation 02/15/2000 Historical
Total Enf Actions: 12
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
61247122 Complaint inspection Jennifer Dolores 03/04/2025 N 0 Download
48391183 Complaint inspection Omar Mostafa 07/21/2022 N 0 N/A
37429101 Complaint inspection Anthony Toto 08/27/2019 N 0 N/A
27716430 B Type compliance inspection Gurjot S Chahal 02/28/2017 Y 0 N/A
7541850 B Type compliance inspection Hossein Aghazeynali 02/02/2012 N 5 N/A
4949024 Complaint inspection Hossein Aghazeynali 05/18/2011 N 4 [Attachments]
331643 B Type compliance inspection Hossein Aghazeynali 02/05/2003 Y 0 N/A
311096 B Type compliance inspection Jim Martin 05/21/2002 Y 0 N/A
311095 B Type compliance inspection Jim Martin 10/11/2001 Y 0 N/A
311097 B Type compliance inspection Jim Martin 08/30/2000 Y 0 N/A
Total Inspections: 10 Last Inspection: 03/04/2025
  
The current report was generated with data as of: 11/26/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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