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 137765 Lahontan Regional Water Quality Control Board, Victorville Office Organization Employee 09/03/2008 04/01/2015 Waterboard 137765 Lahontan Regional Water Quality Control Board, Victorville Office Organization Employee 07/13/2018 null Waterboard 137766 Lahontan Regional Water Quality Control Board, South Lake Tahoe Office Organization Employee 07/01/2025 null 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. 1134605 09/26/2024 Order Conditions Wastewater surrounding sump pump #2. The area requires maintenance to assess the integrity of the tank. During the inspection, staff observed a possible broken tank or broken piping, within overgrown and saturated grass, in standing water. Board Order No. 6-96-9, section No. I.C.1., states that “Surface flow or visible discharge of manure at, or from, the authorized disposal site to adjacent land areas or surface waters is prohibited.” Violation null Inspection Desert Oasis Dairy 146874 R6-2025-0016 Y 1134607 09/26/2024 Order Conditions Water Board staff observed standing water in a corral flowing from a drinking water trough. The observed water stream did not flow towards the concrete channel that allows storm water and liquid manure to flow to the storm water impoundment; rather, the stream flowed away from the channel and towards the inside of the corral. This standing water threatens the potential to percolate to groundwater. Board Order No. 6-96-9, section No. I.C.6., states that, “Manured areas shall be managed to minimize infiltration of water into underlying soils.” Violation null Inspection Desert Oasis Dairy 146874 R6-2025-0016 Y 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 1141124 09/17/2024 OEV Flow Daily Maximum limit is 0.52 MGD and reported value was 1.078 MGD. Violation N Report Baker WTF 147595 97-095 Y 1141538 10/17/2024 Late Report The Q1 2024 monitoring report was due 4/15/2024 but was not submitted until 10/17/2024 Violation null Report DVNP Furnace Creek WWTP 146098 86-084 Y 1141540 10/17/2024 Late Report The Q2 2024 monitoring report was due 7/15/2024 but was not submitted until 10/17/2024 Violation null Report DVNP Furnace Creek WWTP 146098 86-084 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 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 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 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