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California Integrated Water Quality System Project (CIWQS)
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Place ID 633196 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 633196 Groundwater Treatment Plant Water Treatment Plant 512 South Granada Alhambra, CA, 91801 Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
391765 Person Dennis Ahlen Contact 08/10/2018
316079 Organization Alhambra City Dept of Utilities Owner and Operator City Agency 05/11/2006
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?
302697 Enrollee - NPDES 4 NPDNONMUNIPRCS R4-2018-0087 4B196800068 05/04/2006 08/13/2023 Active N
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1134497 09/30/2024 DMON Settleable solids not sampled in September, required monthly. Violation B Report
1134496 08/31/2024 DMON Settleable solids not sampled in August, required monthly. Violation B Report
1134498 08/12/2024 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 8.9 SU. Violation B Report
1130726 01/08/2024 CAT1 Nitrite Plus Nitrate (as N) Maximum Daily (MDEL) limit is 8.0 mg/L and reported value was 16.0 mg/L. Violation B Report
1124888 10/30/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 10.35 SU. Violation B Report
1124887 03/21/2023 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.7 SU. Violation B Report
1124886 11/21/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.57 SU. Violation B Report
1117696 02/16/2022 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.28 SU. Violation B Report
1117695 08/18/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 10.30 SU. Violation B Report
1113027 05/26/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 10.6 SU. Violation B Report
1113026 03/08/2021 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 10.4 SU. Violation B Report
1081037 08/18/2020 OEV pH Instantaneous Maximum limit is 8.5 SU and reported value was 9.15 SU. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 12 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
OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
413966 Admin Civil Liability R4-2017-0109 10/06/2017 Historical
410896 Admin Civil Liability R4-2016-0345 01/31/2017 Historical
359191 Admin Civil Liability R4-2008-0194-M 12/19/2008 Historical
342849 Notice of Violation NOV 02/15/2008 Historical
332442 Notice of Violation NOV 07/13/2007 Historical
Total Enf Actions: 5
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
44489751 B Type compliance inspection Bobbi Valencia 05/17/2021 N 0 N/A
23498724 B Type compliance inspection Jose Morales 04/21/2016 Y 0 Download
1277228 B Type compliance inspection Jose Morales 01/09/2008 Y 0 N/A
927995 Prerequirement inspection Gensen Kai 02/22/2006 N 0 Download
Total Inspections: 4 Last Inspection: 05/17/2021
  
The current report was generated with data as of: 03/03/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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