Party At-A-Glance Report

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
S511024 Membrane Systems Inc Privately-Owned Business 1048 La Mirada Ct Vista, CA 92081 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S704932 Professional Water Technologies San Diego 9 Facility Discharger 06/22/2009 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
N/A Isaac Chavero Contact Owner Contact N/A N/A N/A
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?
S367292 Industrial 9 9 37I022193 Active INDSTW 2014-0057-DWQ 06/23/2009 None Discharger 06/22/2009 None None
Total Regulatory Measures: 1
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
S892752 07/15/2025 SW - Late Report Failure to submit the 2024-2025 Annual Report by 07/15/2025 Violation N Report Professional Water Technologies S367292 2014-0057-DWQ Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 1
*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
S457281 Notice of Violation None 9 37I022193 INDSTW 08/08/2025 Active
S402381 1st Annual Report Notice of Non-Compliance None 9 37I022193 INDSTW 08/20/2010 Historical
Total Enforcement Actions: 2
  
  
  
  
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: 10/17/2025