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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
484337 Sergio Alonso 15095 Amargosa Drive 210 Victorville, CA 92394 760-243-7324 sergio.alonso@waterboards.ca.gov
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
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 None Waterboard
137765 Lahontan Regional Water Quality Control Board, Victorville Office Organization Employee 07/13/2018 None Waterboard
137765 Lahontan Regional Water Quality Control Board, Victorville Office Organization Employee 09/03/2008 04/01/2015 Waterboard
Total Related Parties: 3
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
1144636 01/31/2025 Late Report Submitted quarterly SMR 16 days late. Violates Board Order R6V-1992-0105, MRP II 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 None Report Mammoth Mtn Ski Area WTF 147525 00-017 N
1142367 03/25/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Collection System Maintenance Failure (specify below) ca Violation None SSO June Lake PUD CS 301016 2022-0103-DWQ Y
1146496 07/06/2025 OEV Flow Daily Maximum limit is 0.85 MGD and reported value was 0.997 MGD. Violation None Report Eastern Sierra CSD WWTF 146485 94-024 N
1141781 03/21/2025 Sanitary Sewer Overflow/Spill/ Type: Category 2 Spill; Vandalism (specify below) caused 37500 gallons of sewage Violation None SSO Eastern Sierra CSD CS 301335 2022-0103-DWQ Y
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 5
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
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: 10/21/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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