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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
656412 M1W and CalAm Joint NPDES Special District 5 Harris Court Building D Monterey, CA 93940 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
907590 M1W and CalAm Joint NPDES Monterey 3 Wastewater Treatment Facility Owner and Operator 08/05/2026 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
29173 Monterey One Water Organization Member Of (Passive) 08/05/2026 None Government Agency Combination
7478 California American Water Company Monterey Organization Member Of (Passive) 08/05/2026 None Privately-Owned Business
Total Related Parties: 2
  
  
  
  
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?
Total Regulatory Measures: 0
  
  
  
  
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.
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: 0
*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
463719 California American Water Company Monterey Enrollee - WDR WDRMUNIOTH 12/09/2025 Active
462993 Monterey One Water WDR REC 10/09/2025 Active
459657 Monterey One Water NPDES Permit NPDMUNILRG 02/28/2025 Active
452539 California American Water Company Monterey Enrollee - WDR WDRMUNILRG 05/02/2023 Active
449614 Monterey One Water Enrollee - WDR WDRMUNIENROTH 10/18/2022 Active
449289 California American Water Company Monterey Enrollee - WDR WDRMUNILRG 09/16/2022 Active
445557 Monterey One Water Enrollee - Waiver REC 10/21/2021 Active
440260 Monterey One Water Co-Permitee SLIC 07/09/2020 Active
429636 Monterey One Water NPDES Permit NPDMUNILRG 04/01/2019 Historical
412699 Monterey One Water WDR REC 03/09/2017 Historical
406251 Monterey One Water Enrollee - NPDES NPDNONMUNIPRCS 01/05/2015 Active
396653 Monterey One Water NPDES Permit NPDMUNILRG 08/01/2014 Historical
386867 California American Water Company Monterey Enrollee NPDNONMUNIPRCS 12/15/2011 Historical
386859 California American Water Company Monterey Enrollee NPDNONMUNIPRCS 06/13/2012 Historical
366060 Monterey One Water NPDES Permit NPDMUNILRG 04/30/2008 Historical
344144 Monterey One Water NPDES Permit NPDMUNILRG 04/30/2008 Superceded
328994 California American Water Company Monterey Enrollee - Waiver WDRNONMUNIPRCS 06/01/2007 Historical
317955 California American Water Company Monterey WDR WDRMUNILRG 12/01/2006 Active
312601 California American Water Company Monterey Enrollee NPDNONMUNIPRCS 12/01/2006 Historical
301793 Monterey One Water Enrollee SSOMUNISML 09/12/2006 Active
184988 California American Water Company Monterey Enrollee - WDR WDRMUNIENROTH 05/31/2002 Active
184985 Monterey One Water Enrollee NPDNONMUNIPRCS 12/01/2006 Historical
184947 California American Water Company Monterey Enrollee NPDNONMUNIPRCS 12/01/2006 Historical
148204 California American Water Company Monterey WDR WDRMUNILRG 05/18/2001 Historical
147750 California American Water Company Monterey WDR WDRMUNILRG 01/11/1991 Historical
147406 California American Water Company Monterey WDR WDRMUNILRG 10/22/1999 Historical
147403 Monterey One Water NPDES Permit NPDMUNILRG 05/30/1997 Historical
147402 Monterey One Water NPDES Permit NPDMUNILRG 07/10/1992 Historical
147289 California American Water Company Monterey WDR WDRMUNIOTH 07/10/1998 Historical
147281 California American Water Company Monterey WDR WDRMUNIOTH 10/23/1998 Active
147260 Monterey One Water NPDES Permit NPDMUNILRG 12/05/1997 Historical
146956 Monterey One Water WDR WDRMUNILRG 09/09/1994 Active
144283 Monterey One Water NPDES Permit NPDMUNILRG 03/27/1990 Historical
144282 Monterey One Water NPDES Permit NPDMUNILRG 07/10/1987 Historical
144230 California American Water Company Monterey WDR WDRMUNIOTH 08/20/1987 Historical
143921 California American Water Company Monterey WDR WDRMUNILRG 10/10/1986 Historical
143920 California American Water Company Monterey WDR WDRMUNIOTH 10/10/1986 Historical
143873 California American Water Company Monterey WDR WDRMUNILRG 05/02/1986 Historical
143795 California American Water Company Monterey Reclamation Requirements REC 03/10/1989 Historical
143794 California American Water Company Monterey WDR WDRMUNILRG 03/10/1989 Historical
143723 California American Water Company Monterey WDR WDRMUNILRG 05/10/1985 Historical
143640 California American Water Company Monterey WDR WDRMUNILRG 04/13/1984 Historical
143575 Monterey One Water NPDES Permit NPDMUNILRG 01/01/1976 Historical
143196 Monterey One Water NPDES Permit NPDMUNILRG 11/18/1983 Historical
143182 California American Water Company Monterey WDR WDRMUNIOTH 01/14/1983 Historical
143002 California American Water Company Monterey WDR WDRMUNIOTH 03/13/1981 Historical
142966 California American Water Company Monterey WDR WDRMUNIOTH 03/13/1981 Historical
142948 California American Water Company Monterey WDR WDRMUNIOTH 05/02/1980 Historical
142943 California American Water Company Monterey Reclamation Requirements REC 05/02/1980 Historical
142942 California American Water Company Monterey WDR WDRMUNILRG 05/02/1980 Historical
142654 Monterey One Water NPDES Permit NPDMUNILRG 01/08/1978 Historical
142557 California American Water Company Monterey WDR WDRMUNILRG 01/01/1964 Historical
141169 California American Water Company Monterey WDR WDRMUNILRG 09/14/2001 Active
131389 Monterey One Water NPDES Permit NPDMUNILRG 11/01/2002 Historical
Total Regulatory Measures linked to Related Parties: 54
  
  
The current report was generated with data as of: 08/24/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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