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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
9471 Costa Mesa Sanitary District Special District Po Box 1200 Costa Mesa, CA 92628-1200 949-645-8400 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
256421 Costa Mesa SD CS Orange 8 Collection_System Owner 04/26/2002 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
648425 Tony Gomez Person Data Submitter 12/12/2024 None None
525755 Steve Cano Person Legally Responsible Official 02/04/2011 03/11/2024 None
525752 Scott Carroll Person Legally Responsible Official 02/04/2011 None None
81045 Rob Hamers Person Legally Responsible Official 04/26/2002 01/13/2023 None
636924 Mark Esquer Person Legally Responsible Official 01/19/2023 None None
537581 John Gonzalez Person Legally Responsible Official 12/17/2024 None None
648407 Jesse Blakely Person Data Submitter 12/11/2024 None None
Total Related Parties: 7
  
  
  
  
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?
132117 WDR 8 None Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 04/26/2002 None N
298922 Enrollee 8 8SSO10566 Active SSOMUNILRG 2022-0103-DWQ 10/30/2006 None Discharger 03/23/2006 None N
308645 Co-Permitee 8 8 303487001 Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 09/06/2006 None N
Total Regulatory Measures: 3
  
  
  
  
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.
1133119 12/21/2023 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-Rags, Debris-wipes/Non-disposables caused 200 gallons of sewage to spill from Inside Building or Structure, Lateral Clean Out (Private), Other (specify below) at CMSD Sewer 150042 MacArthur SSO to Drainage Conveyance System that discharges to surface water, Street/Curb and Gutter (2 3), Surface Water Violation None SSO Costa Mesa SD CS 298922 2022-0103-DWQ N
1143610 05/11/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 1296 gallons of sewage to spill from Lateral Clean Out (Private) at Pet Smart to Drainage Conveyance System that discharges to surface water Violation None SSO Costa Mesa SD CS 298922 2022-0103-DWQ N
1133121 02/12/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Operator Error (specify below) caused 41 gallons of sewage to spill from Inside Building or Structure, Lateral Clean Out (Private) at MacArthur #135605 Sewer SSO to Drainage Conveyance System that discharges to surface water Violation None SSO Costa Mesa SD CS 298922 2022-0103-DWQ N
1133120 12/27/2023 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-Rags, Debris-wipes/Non-disposables, Fats, Oil and Grease (FOG) caused 75 gallons of sewage to spill from Gravity Mainline at 1656 Iowa Spill to Drainage Conveyance System that discharges to surface water Violation None SSO Costa Mesa SD CS 298922 2022-0103-DWQ N
1143214 05/02/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Root Intrusion,Fats, Oil and Grease (FOG) caused 3660 gallons of sewage to spill from Lateral Clean Out (Private) at Mesa Verde Drive to Drainage Conveyance System that discharges to surface water Violation None SSO Costa Mesa SD CS 298922 2022-0103-DWQ N
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: 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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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