California Integrated Water Quality System (CIWQS 100.0) - Build Number: mainTrunk.mm.dd.yyyy.1


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	California Integrated Water Quality System Project (CIWQS)

Facility At-A-Glance Report

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Place ID 742794

General Information
Region	Place ID	Place Name	Place Type	Place Address	Place County
8	742794	IEUA Regional Plant No. 4	Wastewater Treatment Facility	12811 Sixth Rancho Cucamonga, CA, 91739-9222	San Bernardino

Related Parties

Party	Party Type	Party Name	Role	Classification	Relationship Start Date	Relationship End Date
147335	Organization	Inland Empire Utilities Agency	Owner	Special District	09/18/2020
584685	Person	Sarah Recinto	Is A Data Submitter For		05/09/2020
579900	Person	Christiana Daisy	Is Onsite Manager For		01/06/2020
541040	Person	Randy Lee	Is Onsite Manager For		02/06/2017	08/01/2023
546361	Person	Sylvie Lee	Is Onsite Manager For		06/19/2014	03/08/2022
544318	Person	Ernest Yeboah	Is Onsite Manager For		12/02/2013	04/11/2017
532535	Person	Chris Berch	Is Onsite Manager For		04/04/2012	05/31/2019
532721	Person	Craig Miller	Is Onsite Manager For		04/03/2012	09/03/2013
147335	Organization	Inland Empire Utilities Agency	Owner and Operator	Special District	08/11/2009
149707	Person	Bonita Fan	Is A Data Submitter For		02/06/2006

Total Related Parties: 10

Regulatory Measures

Reg Measure ID	Reg Measure Type	Region	Program	Order No.	WDID	Effective Date	Expiration Date	Status	Amended?
448253	NPDES Permit	8	NPDMUNILRG	R8-2022-0041	8 362918001	08/01/2022	09/30/2027	Active	N
440355	Co-Permitee	SB	SLIC	2020-0015-DWQ	8 362918001	07/09/2020		Active	N
394393	NPDES Permit	8	NPDMUNILRG	R8-2015-0036	8 362918001	11/01/2015	10/31/2020	Historical	N
369778	NPDES Permit	8	NPDMUNILRG	R8-2009-0021	8 362918001	07/20/2009	07/01/2014	Historical	Y

Total Reg Measures: 4

Violations

Violation ID	Occurred Date	Violation Type	(-) Violation Description	Corrective Action	Status	Classification	Source
1115441	04/02/2023	LREP	Annual SMR ( SUMRPT ) report for 2022 (2553933) was due on 01-APR-23		Violation	B	Report
1115500	04/02/2023	LREP	Annual SMR ( SUMRPT ) report for 2022 (2711194) was due on 01-APR-23		Violation	B	Report
1109293	10/01/2022	LREP	Annual SMR ( PRETRPT ) report for 2021 (2416108) was due on 30-SEP-22		Violation	B	Report
1103432	08/31/2021	DMON	Toxicity data was not reported for 003-A for August 2021. Discharger used NODI P (for lab error) in DMRs triggering a violation. No data reported in eSMR or uploaded in attachments to verify/validate.		Violation	B	Report
1088564	09/30/2020	DMON	Failed to sample for bromodichloromethane and chlorodibromomethane quarterly at 002. Reported NODI E in DMR generating a violation in the federal database.		Violation	B	Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 5

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	LREP = Late Report

Enforcement Actions

Total Enf Actions: 0

Inspections

Inspection ID	Inspection Type	Lead Inspector	Actual End Date	Planned	Violations	Attachment
48664038	B Type compliance inspection	Najah Amin	03/23/2022	N	0	Download
24704205	A Type compliance inspection	Julio Lara	05/12/2016	N	0	[Attachments]
20414175	A Type compliance inspection	Julio Lara	03/18/2015	N	0	[Attachments]
15876717	B Type compliance inspection	Julio Lara	03/18/2014	N	0	[Attachments]
11217285	A Type compliance inspection	Julio Lara	01/29/2013	N	0	[Attachments]
6799901	A Type compliance inspection	Julio Lara	01/10/2012	N	0	[Attachments]
3876101	A Type compliance inspection	Julio Lara	03/08/2011	N	0	Download
2490082	A Type compliance inspection	Julio Lara	05/19/2010	N	0	Download

Total Inspections: 8

Last Inspection: 03/23/2022

The current report was generated with data as of: 06/10/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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