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 null 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 null 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 null null 648407 Jesse Blakely Person Data Submitter 12/11/2024 null null 636924 Mark Esquer Person Legally Responsible Official 01/19/2023 null null 537581 John Gonzalez Person Legally Responsible Official 12/17/2024 null null 525755 Steve Cano Person Legally Responsible Official 02/04/2011 03/11/2024 null 525752 Scott Carroll Person Legally Responsible Official 02/04/2011 null null 81045 Rob Hamers Person Legally Responsible Official 04/26/2002 01/13/2023 null 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 132117 WDR 8 null WDR R8-2002-0014 for SEWAGE COLLECTION AGENCIES Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 04/26/2002 null 308645 Co-Permitee 8 8 303487001 Co-Permitee Under R8-2002-0014 for Costa Mesa Sanitary District Historical WDR R8-2002-0014 04/26/2002 12/01/2006 Discharger 09/06/2006 null 298922 Enrollee 8 8SSO10566 Enrollee of SB SSO WDR for Costa Mesa Sanitary District Active SSOMUNILRG 2022-0103-DWQ 10/30/2006 null Discharger 03/23/2006 null 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. 1150137 12/10/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Fats, Oil and Grease (FOG) caused 900 gallons of sewage to spill from Manhole,Gravity Mainline at Placentia Avenue at Victoria Street, Costa Mesa CA 92627 to Drainage Conveyance System that discharges to surface water Violation null 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 null SSO Costa Mesa SD CS 298922 2022-0103-DWQ 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