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California Integrated Water Quality System Project (CIWQS)
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Place ID 230282 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
5S 230282 Hidden Valley Lake WRF Wastewater Treatment Facility 19400 Hartman Middletown, CA, 95467 Lake
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
20307 Organization Hidden Valley Lake CSD Owner Special District 06/01/1999
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?
147692 WDR 5S WDRMUNILRG 5-00-019 5A171034001 01/27/2000 01/27/2010 Active N
141737 WDR 5S WDR 94-138 5A171034001 05/20/1994 05/17/2004 Historical N
139788 WDR 5S WDR 85-289 5A171034001 10/25/1985 10/25/1990 Historical N
138876 WDR 5S WDR 70-131 5A171034001 02/16/1970 Historical N
Total Reg Measures: 4
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1138731 09/30/2024 Order Conditions During the August 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138730 08/31/2024 Order Conditions During the August 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138729 07/31/2024 Order Conditions During the July 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138728 06/30/2024 Order Conditions During the June 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138732 06/16/2024 Order Conditions During the June 2024 monitoring,. total coliform organisms were reported at >1600 MPN/100 mL in an effluent sample collected on 16 June 2024. Violation B Report
1138727 05/31/2024 Order Conditions During the May 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation A Report
1138726 04/30/2024 Order Conditions During the April 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138725 03/31/2024 Order Conditions During the March 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138724 01/31/2024 Order Conditions During the January 2024 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138723 12/31/2023 Order Conditions During the December 2023 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138722 11/30/2023 Order Conditions During the November 2023 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138721 10/31/2023 Order Conditions During the October 2023 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1138720 09/30/2023 Order Conditions During the September 2023 monitoring event, the pH was reported in effluent storage pond at greater than 8.5 pH units in violation of Discharge Specification B.7 of the WDRs. Violation B Report
1101887 10/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101885 09/30/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101882 08/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101880 07/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101878 06/30/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101876 05/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101874 04/30/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101872 03/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101871 02/28/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101870 01/31/2021 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101869 12/31/2020 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101862 11/30/2020 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. Violation B Report
1101861 10/31/2020 Order Conditions Discharge Specification B.7 of the WDRs states that the treatment plant effluent shall not have a pH of less than 6.5 or greater than 8.5. The pH reported in the effluent storage pond and golf course ponds 8 and 18 exceeded the limit. 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
Order Conditions = Order Conditions
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
459676 Staff Enforcement Letter null 01/13/2025 Historical
446923 Staff Enforcement Letter null 03/10/2022 Historical
412747 Notice of Violation 04/12/2017 Historical
412246 Notice of Violation 03/16/2017 Historical
392907 Notice of Violation 08/02/2013 Historical
383798 Oral Communication 02/07/2012 Historical
253422 Notice of Violation 10/06/2004 Historical
242666 Notice of Violation 08/28/2003 Historical
245608 Notice of Violation 01/14/2003 Historical
224287 Clean-up and Abatement Order LT900226 02/26/1990 Historical
224288 Clean-up and Abatement Order R5-1985-0701 03/29/1985 Historical
Total Enf Actions: 11
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
57505479 B Type compliance inspection Guy Childs 09/25/2024 N 0 N/A
45763931 B Type compliance inspection Guy Childs 10/20/2021 Y 0 Download
27552515 B Type compliance inspection Guy Childs 02/08/2017 N 1 Download
13331429 B Type compliance inspection Guy Childs 07/17/2013 Y 1 [Attachments]
331450 B Type compliance inspection Guy Childs 08/17/2003 Y 0 N/A
329609 B Type compliance inspection Guy Childs 04/30/2003 Y 0 N/A
320851 B Type compliance inspection Sherry K. Constancio 09/25/2001 Y 0 N/A
320850 B Type compliance inspection Sherry K. Constancio 06/27/2001 Y 0 N/A
320849 B Type compliance inspection Sherry K. Constancio 11/04/1999 Y 0 N/A
320848 B Type compliance inspection Paul Marshall 10/26/1995 Y 0 N/A
320852 B Type compliance inspection Kathryn Gaffney 06/02/1994 Y 0 N/A
Total Inspections: 11 Last Inspection: 09/25/2024
  
The current report was generated with data as of: 07/08/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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