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California Integrated Water Quality System Project (CIWQS)
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Place ID 268611 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 268611 William B. Temple Water Treatment Plant #1 Water Treatment Plant , ,
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
131078 Person Steve Sherman Is Onsite Manager For 08/12/2015
525221 Person David DeJesus Is Onsite Manager For 12/05/2010
131078 Person Steve Sherman Is A Data Submitter For 06/10/2006 08/11/2015
11792 Organization Covina Valley Water Company Owner and Operator Privately-Owned Business 07/20/1988
Total Related Parties: 4
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
449788 NPDES Permit 4 NPDINDSML R4-2022-0272 4B192526001 01/01/2023 12/31/2027 Active N
400528 NPDES Permit 4 NPDNONMUNIPRCS R4-2016-0275 4B192526001 09/01/2016 08/31/2021 Historical N
376793 NPDES Permit 4 NPDNONMUNIPRCS R4-2010-0197 4B192526001 12/04/2010 10/10/2015 Historical N
297238 NPDES Permit 4 NPDINDSML R4-2005-0071 4B192526001 11/03/2005 11/03/2010 Historical N
146677 NPDES Permit 4 NPDINDSML 99-137 4B192526001 12/09/1999 12/09/2004 Historical N
135018 NPDES Permit 4 NPDINDSML 94-043 4B192526001 06/13/1994 05/10/1999 Historical N
134629 NPDES Permit 4 NPDINDSML 88-121 4B192526001 11/28/1988 11/10/1993 Historical N
Total Reg Measures: 7
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1148476 07/01/2025 CAT1 Settleable Solids Single Sample Maximum limit is 0.3 ml/L and reported value was 8 ml/L at EFF-001. Provide greater settling time and /or use of polymers to aid in settling efficiency. Violation U eSMR
1149045 06/30/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 5.3 ug/L and reported value was 6.5 ug/L at EFF-001. Violation B Report
1149041 06/03/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 2600.0 ug/L at EFF-001. Violation B Report
1149044 05/31/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 5.3 ug/L and reported value was 9.5 ug/L at EFF-001. Violation B Report
1149040 05/06/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 10000.0 ug/L at EFF-001. Violation B Report
1149042 05/06/2025 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 9.3 ug/L and reported value was 9.5 ug/L at EFF-001. Violation B Report
1149039 04/25/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 1700.0 ug/L at EFF-001. Violation B Report
1149038 04/21/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 1600.0 ug/L at EFF-001. Violation B Report
1149037 04/14/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 1200.0 ug/L at EFF-001. Violation B Report
1145053 04/02/2025 CAT1 Aluminum, Total Daily Maximum limit is 1.5 lb/day and reported value was 2.4 lb/day at EFF-001. Increased recycling of the filter wash water within the facility, and corresponding reduction in discharges to the San Dimas Flood Control channel, have resulted in compliance with TMDL's. Violation B eSMR
1149036 04/02/2025 CAT1 Aluminum, Total Maximum Daily (MDEL) limit is 1000.0 ug/L and reported value was 2000.0 ug/L at EFF-001. Violation B Report
1142019 02/28/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 0.008 lb/day and reported value was 0.013 lb/day at EFF-001. Taking samples earlier in the month to allow time for repeats if needed. Taking additional samples in other locations to determine where copper is being introduced - in source water or through the process. Violation B eSMR
1148779 02/28/2025 CAT2 Copper, Total Recoverable Monthly Average limit is 5.3 ug/L and reported value was 11.0 ug/L at EFF-001. Violation B Report
1148827 02/18/2025 CAT2 Copper, Total Recoverable Maximum Daily (MDEL) limit is 9.3 ug/L and reported value was 11.0 ug/L at EFF-001. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 14 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) CAT2 = Category 2 Pollutant (Effluent Violation for Group 2 Pollutant)
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
437253 Admin Civil Liability R4-2020-0021 11/20/2020 Historical
381132 Admin Civil Liability R4-2011-0132-M 08/15/2011 Historical
357549 Admin Civil Liability SWB-2008-4-0029 07/15/2009 Historical
Total Enf Actions: 3
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
48934979 B Type compliance inspection Jim Covin 10/18/2022 Y 0 Download
48778969 Prerequirement inspection Thomas Siebels 05/18/2022 N 0 Download
33388716 B Type compliance inspection Jose Morales 11/19/2018 Y 0 Download
22936544 Prerequirement inspection Thomas Siebels 12/08/2015 N 0 Download
16951129 B Type compliance inspection Jose Morales 09/12/2014 Y 0 Download
7966054 B Type compliance inspection Jose Morales 03/20/2012 Y 0 Download
329169 B Type compliance inspection Jesus Plasenca 03/14/2003 Y 0 N/A
276934 B Type compliance inspection Gary Schultz 11/23/1999 Y 0 N/A
276935 B Type compliance inspection Gary Schultz 06/25/1997 Y 0 N/A
Total Inspections: 9 Last Inspection: 10/18/2022
  
The current report was generated with data as of: 12/15/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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