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California Integrated Water Quality System Project (CIWQS)
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Place ID 217209 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 217209 Moorpark Facility Sand and Gravel Mining 9035 Roseland Moorpark, CA, 93021 Ventura
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
583874 Person Jo'l Chapman Is Onsite Manager For 11/20/2018
583874 Person Jo'l Chapman Contact 08/06/2018
579835 Person Patricia Contreras Contact 06/14/2018
94804 Person Brian Mastin Is Onsite Manager For 02/05/2018
579834 Person Daniel Olivera Contact 11/22/2017
553780 Person Trey Bassette Is Onsite Manager For 01/11/2016 10/26/2018
540070 Person Thomas Powell Contact 05/16/2013
58292 Person Christine Jones Is Onsite Manager For 07/12/2012
137760 Organization Los Angeles Regional Water Quality Control Board Regulating Waterboard 11/07/2007
106928 Person Holly Ebright Contact 06/17/2005
6863 Organization Cemex Construction Materials Pacific LLC Owner Privately-Owned Business 03/28/1983
Total Related Parties: 11
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
171588 Unregulated 4 DISCHLND BB0012 Never Active N
260898 Letter 4 WDR 1 Historical N
420769 NPDES Permit 4 NPDMINING R4-2018-0085 4A562022001 08/01/2018 07/31/2023 Historical N
386349 NPDES Permit 4 NPDMINING R4-2013-0078 4A562022001 06/01/2013 04/10/2018 Historical N
359257 WDR 4 WDRNONMUNIPRCS R4-2008-0207 4A562022002 12/11/2008 12/10/2018 Historical N
342136 NPDES Permit 4 NPDMINING R4-2007-0060 4A562022001 01/06/2008 11/10/2012 Historical N
131289 NPDES Permit 4 NPDMINING R4-2002-0102 4A562022001 06/03/2002 04/10/2007 Historical N
136031 NPDES Permit 4 NPDMINING 96-046 4A562022001 06/10/1996 05/10/2001 Historical N
134274 NPDES Permit 4 NPDMINING 88-007 4A562022001 01/25/1988 01/10/1993 Historical N
133636 NPDES Permit 4 NPDMINING 83-010 4A562022001 03/28/1983 03/10/1988 Historical N
133640 WDR 4 WDR 83-016 4A562022002 03/28/1983 03/24/1998 Historical N
Total Reg Measures: 11
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1115800 01/10/2023 DMON The Facility's NPDES Permit requires effluent discharge monitoring, sampling, and visual observations when there is a discharge event. Due to severe weather and road closures, Cemex was unable to access the Facility and fulfill this requirement for the discharge event which occurred on January 10, 2023, which constitutes a non-compliance. A significant amount of sediment was deposited in the debris basins during the January 10th storm event. Once the water percolates into the ground and the basins are accessible to heavy equipment, Cemex will dredge the sediment from the debris basins. The earthen berm across the concrete spillway, where Discharge Point 001 and the flow meter were located, was washed out. Once the water percolates into the ground and the basin is accessible to heavy equipment, Cemex will rebuild the earthen berm and replace the flow meter. Cemex is evaluating methods to rebuild the berm and discharge pipe to better withstand the potentially high velocity flow of water that could be experienced during storms which are severe enough to result in a discharge. Storm water discharging from DB-8 destroyed a portion of the concrete spillway and carved a gully beneath the spillway. Once the area is sufficiently dry and accessible to heavy equipment, Cemex will fill in the gully and rebuild the damaged portion of the concrete spillway. To increase the Site's storm water storage capacity while the debris basins and discharge point are pending repair, Cemex will temporarily channel storm water from the upper five basins to the quarry pit during rain events, significantly reducing the volume of storm water from flowing to DB-8. Violation U eSMR
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 1 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
DMON = Deficient Monitoring
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
353073 Admin Civil Liability R4-2008-0065-M 09/23/2008 Historical
346287 13267 Letter 13267 Letter 05/15/2008 Historical
346280 Notice of Violation NOV 05/09/2008 Historical
333351 Notice of Violation NOV 09/17/2007 Historical
247577 Notice of Violation NOV 05/22/2002 Historical
Total Enf Actions: 5
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
48934980 B Type compliance inspection Jim Covin 10/31/2022 Y 0 Download
33388709 B Type compliance inspection Jose Morales 11/30/2018 Y 0 Download
29030198 B Type compliance inspection Enrique Casas 06/27/2017 N 0 Download
23164944 B Type compliance inspection Enrique Casas 01/22/2016 N 0 Download
19981905 B Type compliance inspection Enrique Casas 04/03/2015 N 0 Download
15427859 B Type compliance inspection Enrique Casas 02/20/2014 N 0 Download
14056615 B Type compliance inspection Jose Morales 01/15/2014 Y 0 Download
10573194 B Type compliance inspection Enrique Casas 12/05/2012 N 0 Download
6460648 B Type compliance inspection Enrique Casas 11/17/2011 Y 0 Download
1841492 B Type compliance inspection Enrique Casas 08/19/2009 Y 0 Download
1384167 Prerequirement inspection Orlando Gonzalez 09/27/2007 Y 6 N/A
1784893 Prerequirement inspection Orlando Gonzalez 09/27/2007 Y 0 Download
1021865 B Type compliance inspection Betsy Richert 01/17/2007 Y 0 Download
968542 Prerequirement inspection Orlando Gonzalez 02/07/2006 N 0 Download
275241 B Type compliance inspection Mazhar Ali 05/22/2001 Y 0 N/A
275231 B Type compliance inspection Thizar Williams 05/17/2000 Y 0 N/A
275240 B Type compliance inspection Thizar Williams 05/17/2000 Y 0 N/A
275232 B Type compliance inspection Rebecca Christmann 06/24/1999 Y 0 N/A
275226 B Type compliance inspection Rebecca Christmann 06/24/1999 Y 0 N/A
275229 B Type compliance inspection Veronica Cuevas-Alpuche 06/19/1997 Y 0 N/A
275238 B Type compliance inspection Veronica Cuevas-Alpuche 06/19/1997 Y 0 N/A
275239 B Type compliance inspection Veronica Cuevas-Alpuche 03/12/1996 Y 0 N/A
275230 B Type compliance inspection Veronica Cuevas-Alpuche 03/12/1996 Y 0 N/A
Total Inspections: 23 Last Inspection: 10/31/2022
  
The current report was generated with data as of: 10/22/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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