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 S857148

General Information
Region	Place ID	Place Name	Place Type	Place Address	Place County
8	S857148	Phase I MS4	Facility	- -, CA, -	Orange

Related Parties

Party	Party Type	Party Name	Role	Classification	Relationship Start Date	Relationship End Date
S648178	Organization	City of Costa Mesa	N/A	City/Town Agency	01/18/2002

Total Related Parties: 1

Regulatory Measures

Reg Measure ID	Reg Measure Type	Region	Program	Order No.	WDID	Effective Date	Expiration Date	Status	Amended?
S488719	Phase I MS4	8	MNSTW1	R8-2009-0030	8 30M1000226	01/18/2002		Active

Total Reg Measures: 1

Violations

Violation ID	Occurred Date	Violation Type	(-) Violation Description	Corrective Action	Status	Classification	Source
S886323	03/30/2023	MS4 Order Condition	Section II.A.1 - failure to implement LIP		Violation	B	Inspection
S887659	03/30/2023	MS4 Order Condition	Section VI.6 - failure to include enforcement actions in quarterly reports *Extent of violation reduced to 3 instances as of City's November 16, 2023, response.		Violation	B	Inspection
S887658	03/30/2023	MS4 Order Condition	Section VI.5 - failure to revise LIP		Violation	B	Inspection
S887657	03/30/2023	MS4 Order Condition	Section VI.2 - failure to take enforcement actions that meet the guidelines of the Enforcement Consistency Guide		Violation	B	Inspection
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 4

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
MS4 Order Condition = MS4 Order Condition

Enforcement Actions

Enf Id	Enf Type	Enf Order No.	Effective Date	Status
S451247	Notice of Violation		10/13/2023	Active
S432175	13267 Letter/Order		07/11/2018	Active
S433574	Staff Enforcement Letter		10/28/2010	Historical

Total Enf Actions: 3

Inspections

Inspection ID	Inspection Type	Lead Inspector	Actual End Date	Planned	Violations	Attachment
S2061868	MS4 Audit Type	Michael Jones	03/30/2023	N	4	N/A

Total Inspections: 1

Last Inspection: 03/30/2023

The current report was generated with data as of: 10/15/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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