Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
8661 Calexico City Municipal 608 Heber Avenue Calexico, CA 92231-2840 760-768-2168 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
849023 Second Street Bridge Widening/Realignment at the New River Crossing Imperial 7 Dredge/Fill Site Owner 07/13/2018 None
875027 New River Improvement Project - Calexico Reach Imperial 7 Dredge/Fill Site Owner 06/29/2021 None
212590 Calexico WWTP No. 2 Imperial 7 Facility Owner 09/20/1989 None
631178 Calexico CS Imperial 7 Collection_System Owner 04/04/2006 None
212589 Calexico City WWTP Imperial 7 Wastewater Treatment Facility Owner 12/10/1997 None
212589 Calexico City WWTP Imperial 7 Wastewater Treatment Facility Operator 03/20/2006 None
753212 Calexico City MS4 Phase II Imperial 7 MS4 Operator 03/20/2009 None
866133 2nd Street Bridge Reconstruction Project Imperial 7 Dredge/Fill Site Owner 04/14/2020 None
Total Related Places: 8
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
532226 Nick Servin Person Legally Responsible Official 03/07/2012 05/25/2017 None
533911 Jose Lopez Person Legally Responsible Official 05/16/2012 02/20/2018 None
532136 Rick Servin Person Data Submitter 03/01/2012 04/03/2018 None
91173 Arturo Estrada Person Legally Responsible Official 06/30/2008 02/03/2020 None
91173 Arturo Estrada Person Legally Responsible Official 12/10/1997 02/03/2020 None
149573 Luis Estrada Person Legally Responsible Official 12/10/1997 02/04/2020 None
149573 Luis Estrada Person Enforcement Contact 05/14/2003 02/04/2020 None
531235 Nick Fenley Person Data Submitter 01/12/2012 02/04/2020 None
149573 Luis Estrada Person Legally Responsible Official 12/12/2005 02/04/2020 None
451762 Alberto Ruiz Person Legally Responsible Official 12/24/2007 02/04/2020 None
149573 Luis Estrada Person Enforcement Contact 05/06/2004 02/04/2020 None
149683 Ana Hernandez Person Data Submitter 11/17/2005 02/04/2020 None
149573 Luis Estrada Person Legally Responsible Official 06/30/2008 02/04/2020 None
580880 Liliana Falomir Person Legally Responsible Official 07/13/2018 None None
91173 Arturo Estrada Person Legally Responsible Official 02/04/2020 None None
368321 Jesus Marquez Person Data Submitter 06/30/2008 None None
625871 Miguel Figueroa Person Legally Responsible Official 06/28/2021 None None
625871 Miguel Figueroa Person Employee 06/29/2021 None None
608263 David Dale Person Legally Responsible Official 04/14/2020 None None
643596 Lilliana Falomir Person Legally Responsible Official 02/06/2024 None None
Total Related Parties: 20
  
  
  
  
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?
135823 NPDES Permit 7 7A130101011 Historical NPDMUNILRG 94-048 01/13/1999 01/12/2004 Discharger 06/29/1994 None N
396226 NPDES Permit 7 7A130101011 Historical NPDMUNILRG R7-2014-0004 06/01/2014 05/31/2019 Discharger 05/14/2014 None N
455371 Enrollee - NPDES 7 7A132258001 Historical NPDNONMUNIPRCS R7-2024-0025 12/27/2023 07/31/2024 Discharger 12/22/2023 None N
459837 NPDES Permit 7 7A130101011 Active NPDMUNILRG R7-2025-0007 05/01/2025 None Discharger 01/29/2025 None N
132515 NPDES Permit 7 7A130101011 Historical NPDMUNILRG R7-2004-0009 02/11/2004 05/20/2009 Discharger 02/11/2004 None N
135824 NPDES Permit 7 7A130101021 Historical NPDMUNILRG 94-049 06/29/1994 None Discharger 06/29/1994 None N
136055 NPDES Permit 7 7A130101011 Historical NPDMUNILRG 88-092 06/30/1988 None Discharger 06/30/1988 None N
136583 NPDES Permit 7 7A130101011 Historical NPDMUNILRG 99-001 01/13/1999 None Discharger 01/13/1999 None N
136859 NPDES Permit 7 7A130101021 Historical NPDMUNILRG 99-00602 01/13/1999 None Discharger 01/13/1999 None N
136779 NPDES Permit 7 7A130101021 Historical NPDMUNILRG 89-063 09/20/1989 None Discharger 09/20/1989 None N
374390 Enrollee 7 7A132003M02 Historical MNSTW2 2003-0005-DWQ 03/20/2009 06/30/2013 Discharger 06/08/2010 None N
427929 NPDES Permit 7 7A130101011 Historical NPDMUNILRG R7-2019-0004 06/01/2019 04/30/2025 Discharger 12/21/2018 None N
135329 NPDES Permit 7 7A130101011 Historical NPDMUNILRG 83-047 07/13/1983 None Discharger 07/13/1983 None N
444006 401 Certification 7 7A133166001 Active CERFILLEXC None 01/05/2022 None Discharger 06/29/2021 None N
300419 Enrollee 7 7SSO10515 Active SSOMUNILRG 2022-0103-DWQ 07/25/2006 None Discharger 04/12/2006 None N
370704 NPDES Permit 7 7A130101011 Historical NPDMUNILRG R7-2009-0018 05/21/2009 05/31/2014 Discharger 02/11/2004 None N
135918 NPDES Permit 7 7A130101011 Historical NPDMUNILRG 93-039 06/30/1993 None Discharger 06/30/1993 None N
440327 Co-Permitee SB 7A130101011 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
Total Regulatory Measures: 18
  
  
  
  
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.
1149616 10/29/2025 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 540 Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1148902 09/10/2025 OEV Turbidity Other and reported value was 0 NTU at RSW-001. Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1145132 06/30/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30.0 Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1148903 09/10/2025 OEV Turbidity Other and reported value was 0 NTU at EFF-001. Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1149617 10/29/2025 OEV Fecal Coliform Instantaneous Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1148904 09/10/2025 OEV Turbidity Other and reported value was 0 NTU at RSW-002. Violation N eSMR Calexico City WWTP 459837 R7-2025-0007 N
1123742 12/20/2023 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1099789 12/31/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1113908 01/31/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30.0 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118723 06/22/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Instantaneous Maximum limit Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119724 07/26/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 1600 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1101192 01/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1114984 02/09/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 7-Day Average (Mean) limit i Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1115743 03/22/2023 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118717 06/30/2023 OEV E.coli 30-Day Average limit is 126 MPN/100 mL and reported value was 177.3 MPN/1 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118726 06/27/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 1600 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1103605 03/31/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1106536 06/29/2022 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119713 07/31/2023 OEV Enterococci Monthly Average limit is 33 MPN/100 mL and reported value was 136.2 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119714 07/31/2023 OEV Fecal Coliform Monthly Average (Mean) limit is 400 MPN/100 mL and reported value Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1117325 04/30/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1117328 04/25/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 540 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118014 05/24/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 920 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119715 07/25/2023 OEV E.coli Instantaneous Maximum limit is 400 ml/L/hr and reported value was 1600 ml Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1103606 03/24/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1109556 09/27/2022 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119721 07/31/2023 OEV E.coli 30-Day Average limit is 126 MPN/100 mL and reported value was 403.4 MPN/1 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1119723 07/19/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 1600 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1104642 04/30/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1114983 02/28/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1115744 03/15/2023 OEV Fecal Coliform Instantaneous Maximum limit is 400 MPN/100 mL and reported value Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1086583 01/20/2021 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 N
1091454 05/31/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 N
1124545 01/04/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 N
1119712 07/31/2023 Deficient Monitoring Effluent monthly sampling was not collected for testing results 10 parameters an Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 N
1118725 06/30/2023 CAT1 BOD5 @ 20 Deg. C, Percent Removal Percent Reduction limit is 85 % and reported v Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118724 06/30/2023 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1118721 06/21/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 1600 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1104641 04/01/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 7-Day Average (Mean) limit i Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1135049 08/27/2024 CTOX Chronic Toxicity-Green Alga-Growth 3-Month Median limit is 0 Pass/Fail (Pass = 0 Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 N
1114982 02/14/2023 OEV Enterococci Instantaneous Maximum limit is 100 MPN/100 mL and reported value was Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 Y
1098055 11/30/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 30 m Violation N eSMR Calexico City WWTP 427929 R7-2019-0004 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: 42
*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
452620 Admin Civil Liability R7-2023-0006 ACL R7-2023-0006 for Calexico City NPDMUNILRG 03/21/2023 Active
456129 Expedited Payment Letter R7-2024-0005 EPL R7-2024-0005 for Calexico City NPDMUNILRG 02/21/2024 Active
364933 Staff Enforcement Letter None SEL 04/09/09 for Calexico City NPDMUNILRG 04/09/2009 Historical
365956 Staff Enforcement Letter None SEL 05/20/09 for Calexico City NPDMUNILRG 05/20/2009 Historical
372993 Staff Enforcement Letter None SEL 11/18/2009 for Calexico City NPDMUNILRG 11/18/2009 Historical
329295 Admin Civil Liability R7-2007-0054 MMP Order R7-2007-0054 for Calexico City NPDMUNILRG 05/16/2007 Historical
340773 Staff Enforcement Letter None SEL 02/05/08 for Calexico City NPDESWW 02/05/2008 Historical
353804 Staff Enforcement Letter None SEL 10/15/08 for Calexico City NPDMUNILRG 10/15/2008 Historical
361285 Staff Enforcement Letter None SEL 01/12/09 for Calexico City NPDMUNILRG 01/12/2009 Historical
371499 Staff Enforcement Letter None SEL 08/26/2009 for Calexico City NPDMUNILRG 08/26/2009 Historical
371504 Staff Enforcement Letter None SEL 07/16/2009 for Calexico City NPDMUNILRG 07/16/2009 Historical
387980 Notice of Violation None NOV 10-APR-12 for CALEXICO CITY SSOMUNILRG 04/10/2012 Historical
401178 Staff Enforcement Letter None SEL 05/26/2015 for Calexico City NPDMUNILRG 05/26/2015 Historical
235857 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 07/26/2001 Historical
251568 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 05/06/2004 Historical
251569 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDESWW 05/06/2004 Historical
307673 Staff Enforcement Letter None Enforcement - 7A130101011 NPDMUNILRG 08/01/2006 Historical
307879 Staff Enforcement Letter None Enforcement - 7A130101011 NPDMUNILRG 07/28/2005 Historical
353812 Staff Enforcement Letter None SEL 10/15/08 for Calexico City NPDMUNILRG 10/15/2008 Historical
375382 Staff Enforcement Letter None SEL 07/22/2010 for Calexico City NPDMUNILRG 07/22/2010 Historical
376969 Staff Enforcement Letter None SEL 11/30/2010 for Calexico City NPDMUNILRG 11/30/2010 Historical
387514 Staff Enforcement Letter None SEL 09/18/2012 for Calexico City MNSTW2 09/18/2012 Historical
222642 Time Schedule Order 97-012 Enforcement - 7A130101011 NPDMUNILRG 01/27/1997 Historical
232330 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 06/01/2000 Historical
365564 Admin Civil Liability R7-2009-0067 ACL No. R7-2009-0067 for Calexico City NPDESWW 09/17/2009 Historical
365575 Staff Enforcement Letter None SEL 05/06/09 for Calexico City NPDMUNILRG 05/06/2009 Historical
372132 Staff Enforcement Letter None SEL 09/23/2009 for Calexico City NPDMUNILRG 09/23/2009 Historical
386045 Admin Civil Liability R7-2012-0049 ACL R7-2012-0049 for Calexico City NPDMUNILRG 09/20/2012 Historical
251570 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDESWW 05/06/2004 Historical
383710 Admin Civil Liability R7-2012-0015 ACL No. R7-2012-0015 for Calexico City NPDESWW 01/23/2012 Historical
245134 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 11/01/1999 Historical
347639 Staff Enforcement Letter None SEL 06/20/08 for Calexico City NPDESWW 06/20/2008 Historical
347668 Staff Enforcement Letter None SEL 03/20/2008 for Calexico City NPDESWW 06/20/2008 Historical
362036 Time Schedule Order R7-2009-0036 TSO No. R7-2009-0036 for Calexico City NPDESWW 02/18/2009 Historical
375260 Staff Enforcement Letter None SEL 06/30/2010 for Calexico City NPDMUNILRG 06/30/2010 Historical
375346 Staff Enforcement Letter None SEL 06/07/2010 for Calexico City NPDMUNILRG 06/07/2010 Historical
380186 Staff Enforcement Letter None SEL 07/06/2011 for Calexico City NPDMUNILRG 07/06/2011 Historical
433061 Admin Civil Liability R7-2019-0021 ACL R7-2019-0021 for Calexico City NPDMUNILRG 03/09/2022 Historical
222643 Time Schedule Order 97-013 Enforcement - 7A130101021 NPDESWW 01/22/1997 Historical
307672 Staff Enforcement Letter None Enforcement - 7A130101011 NPDMUNILRG 08/01/2006 Historical
358417 Staff Enforcement Letter None SEL 11/18/08 for Calexico City NPDMUNILRG 11/18/2008 Historical
363885 Staff Enforcement Letter None SEL 03/26/09 for Calexico City NPDMUNILRG 03/26/2009 Historical
397798 Staff Enforcement Letter None SEL 08/21/2014 for Calexico City NPDMUNILRG 08/21/2014 Historical
232326 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 02/15/2000 Historical
240434 Notice to Comply UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 02/26/2002 Historical
345283 Admin Civil Liability R7-2008-0036 ACL No. R7-2008-0036 for Calexico City NPDESWW 04/21/2008 Historical
347664 Staff Enforcement Letter None SEL 06/20/08 for Calexico City NPDESWW 06/20/2008 Historical
356589 Staff Enforcement Letter None SEL 12/02/08 for Calexico City NPDMUNILRG 12/02/2008 Historical
361861 Staff Enforcement Letter None SEL 02/27/09 for Calexico City NPDMUNILRG 02/27/2009 Historical
232200 Oral Communication UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 05/01/2000 Historical
243372 Staff Enforcement Letter UNKNOWN Enforcement - 7A130101011 NPDMUNILRG 05/14/2003 Historical
Total Enforcement Actions: 51
  
  
  
  
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: 11/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB