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 S903516

General Information
Region	Place ID	Place Name	Place Type	Place Address	Place County
5S	S903516	Deer Valley Estates	Facility	6100 Deer Valley Road Antioch, CA, 94531	Contra Costa

Related Parties

Party	Party Type	Party Name	Role	Classification	Relationship Start Date	Relationship End Date
S602094	Organization	Meritage Homes	N/A	Private Business	04/05/2022

Total Related Parties: 1

Regulatory Measures

Reg Measure ID	Reg Measure Type	Region	Program	Order No.	WDID	Effective Date	Expiration Date	Status	Amended?
S548493	Construction	5S	CONSTW	2009-0009-DWQ	5S07C397222	04/18/2022		Terminated

Total Reg Measures: 1

Violations

Violation ID	Occurred Date	Violation Type	(-) Violation Description	Corrective Action	Status	Classification	Source
S895130	09/02/2025	FOP	Failure to obtain coverage under the 2022 CGP by 09/01/2025.		Violation	B	Internal Report
S891512	09/01/2024	LREP	Late Annual Report		Violation	B	Report
S889611	09/01/2023	LREP	Late Annual Report		Violation	B	Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 3

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
FOP = Failure to Obtain Permit	LREP = Late Report

Enforcement Actions

Enf Id	Enf Type	Enf Order No.	Effective Date	Status
S459979	Notice of Violation		09/05/2025	Active
S458015	2nd Annual Report Notice of Non-Compliance		12/20/2024	Active
S456413	1st Annual Report Notice of Non-Compliance		10/08/2024	Active
S456004	2nd Annual Report Notice of Non-Compliance		09/17/2024	Active
S453950	1st Annual Report Notice of Non-Compliance		07/15/2024	Active

Total Enf Actions: 5

Inspections

Attachment

Total Inspections: 0

Last Inspection: None

The current report was generated with data as of: 10/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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