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 246176

General Information
Region	Place ID	Place Name	Place Type	Place Address	Place County
2	246176	Oregon Exp Underpass	Groundwater Cleanup Site	Alma St. & Oregon Expressway Palo Alto, CA, 94304	Santa Clara

Related Parties

Party	Party Type	Party Name	Role	Classification	Relationship Start Date	Relationship End Date
633070	Organization	County of Santa Clara, Roads and Airports Department	Owner and Operator	County Agency	05/11/2022
39912	Organization	Santa Clara Cnty Roads & Airport Dept	Owner	County Agency	01/20/2000

Total Related Parties: 2

Regulatory Measures

Reg Measure ID	Reg Measure Type	Region	Program	Order No.	WDID	Effective Date	Expiration Date	Status	Amended?
170125	Unregulated	2	UNREGS		2 43S0230			Never Active	N
307061	Enrollee	2	NPDNONMUNIPRCS	R2-2004-0055	2 438265002		07/21/2009	Historical	N
148063	NPDES Permit	2	NPDNONMUNIPRCS	R2-2000-0085	2 438265002	08/16/2000	08/16/2005	Historical	N
142129	NPDES Permit	2	NPDNONMUNIPRCS	95-030	2 438265002	02/15/1995	02/15/1995	Historical	N
183054	Enrollee	2	NPDNONMUNIPRCS	95-030	2 438265002	12/23/1994	07/20/1999	Historical	N
141470	NPDES Permit	2	NPDNONMUNIPRCS	87-129	2 438265002	09/16/1987	09/16/1992	Historical	N

Total Reg Measures: 6

Violations

Violation ID	Occurred Date	Violation Type	(-) Violation Description	Corrective Action	Status	Classification	Source
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 0

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

Enforcement Actions

Enf Id	Enf Type	Enf Order No.	Effective Date	Status
225504	Admin Civil Liability	R2-2000-0036	07/21/2000	Historical
225416	Oral Communication		03/15/2000	Historical
224421	Notice of Violation		10/07/1999	Historical

Total Enf Actions: 3

Inspections

Inspection ID	Inspection Type	Lead Inspector	Actual End Date	Planned	Violations	Attachment
1011378	B Type compliance inspection	Mark Amendola	03/23/2007	N	0	[Attachments]
289131	B Type compliance inspection	Brett Stevens	05/30/2000	Y	0	N/A
289130	B Type compliance inspection	Stephen Hill	08/24/1998	Y	0	N/A

Total Inspections: 3

Last Inspection: 03/23/2007

The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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