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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
633436 Rancho Larios Homeowners Association Community Organization 19500 Monterey Road Morgan Hill, CA 95037 None tmessier1692@aol.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
251675 Rancho Larios WWTP San Benito 3 Wastewater Treatment Facility Owner 05/27/2022 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
633437 Tom Messier Person Legally Responsible Official 06/03/2022 None None
Total Related Parties: 1
  
  
  
  
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?
447945 Enrollee - WDR 3 3 359803001 Active WDRMUNILRG 2014-0153-DWQ 05/27/2022 None Discharger 06/06/2022 None N
Total Regulatory Measures: 1
  
  
  
  
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.
1147873 08/02/2025 Late Report Failure to submit semi-annual reports for H1 2025. Violation None Report Rancho Larios WWTP 447945 2014-0153-DWQ Y
1147872 02/02/2025 Late Report Failure to submit semi-annual reports for H2 2024. Violation None Report Rancho Larios WWTP 447945 2014-0153-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: 2
*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
462716 Notice of Violation None NOV 09/02/2025 for Rancho Larios Homeowners Association WWTP WDRMUNILRG 09/02/2025 Historical
Total Enforcement Actions: 1
  
  
  
  
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: 11/14/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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