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	N/A	N/A	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
S823672	Oak Crest at Hidden Glen 	Contra Costa	5S	Facility	Discharger	06/10/2013	null	
S823678	Villages II	Contra Costa	2	Facility	Discharger	06/10/2013	null	
S824869	Palmilla	Contra Costa	5S	Facility	Discharger	07/30/2013	null	
S828082	The Crossroads	San Joaquin	5S	Facility	Discharger	08/27/2013	null	
S827747	Bayshores	Alameda	2	Facility	Discharger	02/03/2014	null	
S828804	Victory II	Contra Costa	2	Facility	Discharger	04/10/2014	null	
S829196	Terrace Ridge	Alameda	2	Facility	Discharger	05/01/2014	null	
S830435	Morgan Hill 3	Santa Clara	3	Facility	Discharger	07/14/2014	null	
S830436	Mountain View Colony	Santa Clara	2	Facility	Discharger	07/14/2014	null	
S853261	Wayland	Alameda	2	Facility	Discharger	02/14/2017	null	
S859755	Noma	Contra Costa	2	Facility	Discharger	10/19/2017	null	
S860882	Towne 38	Santa Clara	2	Facility	Discharger	12/18/2017	null	
S864541	SoHay	Alameda	2	Facility	Discharger	05/30/2018	null	
S866663	Alves Ranch Phase 1 and 2	Contra Costa	2	Facility	Discharger	08/30/2018	null	
S885403	USD Twin Force Main Relocation Phase 2	Alameda	2	Facility	Discharger	08/28/2020	null	

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

Regulatory Measures(non-enforcement)
Reg. Measure ID	Regulatory Measure Type	Region	WDID	Title	Status	Program	Order No.	RM Effective Date	RM Termination Date	Relationship	Relationship Start Date	Relationship End Date

Violations within the past calendar year
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.

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
S416791	Verbal Communication	null	5S07C366862	CONSTW	10/31/2014	Active	

Regulatory Measures linked to Related Parties
Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status