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)

Party At-A-Glance Report

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General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
S623401	William Lyon Homes	Privately-Owned Business	2603 Camino Ramon STE450 San Ramon, CA 94583	925-543-5520	sam.spier@lyonhomes.com

Related Places

Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
S885403	USD Twin Force Main Relocation Phase 2	Alameda	2	Facility	Discharger	08/28/2020	None
S866663	Alves Ranch Phase 1 and 2	Contra Costa	2	Facility	Discharger	08/30/2018	None
S864541	SoHay	Alameda	2	Facility	Discharger	05/30/2018	None
S860882	Towne 38	Santa Clara	2	Facility	Discharger	12/18/2017	None
S859755	Noma	Contra Costa	2	Facility	Discharger	10/19/2017	None
S853261	Wayland	Alameda	2	Facility	Discharger	02/14/2017	None
S830436	Mountain View Colony	Santa Clara	2	Facility	Discharger	07/14/2014	None
S830435	Morgan Hill 3	Santa Clara	3	Facility	Discharger	07/14/2014	None
S829196	Terrace Ridge	Alameda	2	Facility	Discharger	05/01/2014	None
S828804	Victory II	Contra Costa	2	Facility	Discharger	04/10/2014	None
S828082	The Crossroads	San Joaquin	5S	Facility	Discharger	08/27/2013	None
S827747	Bayshores	Alameda	2	Facility	Discharger	02/03/2014	None
S824869	Palmilla	Contra Costa	5S	Facility	Discharger	07/30/2013	None
S823678	Villages II	Contra Costa	2	Facility	Discharger	06/10/2013	None
S823672	Oak Crest at Hidden Glen	Contra Costa	5S	Facility	Discharger	06/10/2013	None

Total Related Places: 15

Related Parties

Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
N/A	Jennifer Besmer	Contact	Owner Contact	N/A	N/A	N/A
N/A	Gary Haddy	Contact	Owner Contact	N/A	N/A	N/A
N/A	Samuel Spier	Contact	Owner Contact	N/A	N/A	N/A
N/A	Joseph Chretien	Contact	Owner Contact	N/A	N/A	N/A
N/A	John Graham	Contact	Owner Contact	N/A	N/A	N/A

Total Related Parties: 5

Regulatory Measures (non-enforcement)

Reg. Measure ID

Regulatory Measure Type

Relationship Start Date

Relationship End Date

Amended?

Total Regulatory Measures: 0

Violations within the past five years

Violation ID	Occurrence Date	Violation Type	Violation Description(+)	Violation Status	Priority	Source	Facility Name	Violated Reg. Meas. ID	Violated Reg. Meas. Order No.	Linked to Enf.
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 0

*Click the "(+/-) Violation Description" link to expand and contract the violation description.

Enforcement Actions

Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
S416791	Verbal Communication	None	5S07C366862	CONSTW	10/31/2014	Active

Total Enforcement Actions: 1

Regulatory Measures linked to Related Parties

Reg. Measure ID

Organization

Regulatory Measure Type

Program

Effective Date

Status

Total Regulatory Measures linked to Related Parties: 0

The current report was generated with data as of: 07/16/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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