General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
484337	Sergio Alonso	null	15095 Amargosa Drive 210 Victorville, CA 92394	760-243-7324	sergio.alonso@waterboards.ca.gov	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
137766	Lahontan Regional Water Quality Control Board, South Lake Tahoe Office	Organization	Employee	07/01/2025	null	Waterboard	
137765	Lahontan Regional Water Quality Control Board, Victorville Office	Organization	Employee	07/13/2018	null	Waterboard	
137765	Lahontan Regional Water Quality Control Board, Victorville Office	Organization	Employee	09/03/2008	04/01/2015	Waterboard	

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.
1146496	07/06/2025	OEV	Flow Daily Maximum limit is 0.85 MGD and reported value was 0.997 MGD.	Violation	null	Report	Eastern Sierra CSD WWTF	146485	94-024	N	
1142367	03/25/2025	Sanitary Sewer Overflow/Spill/	Type: Category 1 Spill; Collection System Maintenance Failure (specify below) caused 100 gallons of sewage to spill from Gravity Mainline at Bottom of Mountain View Lane by Reversed Creek to Surface Water	Violation	null	SSO	June Lake PUD CS	301016	2022-0103-DWQ	Y	
1141781	03/21/2025	Sanitary Sewer Overflow/Spill/	Type: Category 2 Spill; Vandalism (specify below) caused 37500 gallons of sewage to spill from Gravity Mainline at Field east of Sunland Road to Unpaved Surface	Violation	null	SSO	Eastern Sierra CSD CS	301335	2022-0103-DWQ	Y	
1144636	01/31/2025	Late Report	Submitted quarterly SMR 16 days late. Violates Board Order R6V-1992-0105, MRP III.A.1.	Violation	N	Report	Phelan Towne Square	146144	92-105	Y	
1144650	10/24/2024	OEV	pH Instantaneous Maximum limit is 9.0 SU and reported value was 9.17 SU.	Violation	null	Report	Mammoth Mtn Ski Area WTF	147525	00-017	N	
1137108	10/20/2024	Unauthorized Discharge	Spill occurred on October 20, 2024. The spill volume ranged between 15,000 to 20,000 gallons. Spill did not exit the wastewater treatment plant facility. See attached NOV letter.	Violation	N	Complaint	Furn Crk Inn & Ranch Pack STP	404755	2014-0153-DWQ	Y	

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status

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