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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
314651 Daniel Guillory Po Box 54153 Los Angeles, CA 90054 213-217-5507 dguillory@mwdh2o.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
250119 Metropolitan Water District of Southern California Organization Legally Responsible Official 05/03/2006 None Special District
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?
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
455101 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC None Historical
454792 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 10/23/2023 Historical
454687 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 07/06/2023 Historical
444972 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 09/08/2021 Historical
442862 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 06/17/2021 Historical
442861 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 06/17/2021 Historical
442860 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 06/17/2021 Historical
441017 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 10/26/2020 Historical
440719 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 10/21/2020 Historical
431567 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 07/05/2019 Historical
429467 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 03/12/2019 Active
428444 Metropolitan Water District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 06/12/2019 Historical
414980 Metropolitan Water District of Southern California Enrollee - NPDES NPDMUNIOTH 07/01/2016 Active
413102 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 02/09/2018 Active
411791 Metropolitan Water District of Southern California Enrollee - 401 Certification CERFILLEXC 02/09/2017 Historical
410281 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 04/26/2021 Active
404012 Metropolitan Water District of Southern California 401 Certification CERDREDGE 04/14/2016 Active
399611 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 03/16/2015 Historical
398603 Metropolitan Water District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 12/04/2014 Historical
397440 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 08/21/2015 Historical
396776 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 02/25/2014 Historical
395419 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 02/03/2014 Historical
393670 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 10/17/2013 Historical
387261 Metropolitan Water District of Southern California Enrollee WDRMUNIENROTH 01/04/2013 Active
387252 Metropolitan Water District of Southern California Enrollee WDRMUNIENROTH 01/04/2013 Active
387238 Metropolitan Water District of Southern California Enrollee WDRMUNIENROTH 01/04/2013 Active
386744 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 01/12/2004 Historical
386453 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 09/17/2009 Historical
386042 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 06/24/2004 Historical
386032 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 04/16/2004 Historical
385796 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 10/05/2006 Historical
384810 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 07/07/2008 Historical
381597 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 10/19/2010 Historical
380898 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 09/17/2009 Historical
379655 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 07/18/2012 Active
376348 Metropolitan Water District of Southern California WDR LNDISP 09/16/2010 Historical
375889 Metropolitan Water District of Southern California WDR CERFILLEXC 09/16/2010 Historical
373417 Metropolitan Water District of Southern California Letter NPDESWW 01/10/2008 Historical
352826 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 09/15/2008 Active
327111 Metropolitan Water District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 02/13/2008 Active
326763 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 12/14/2007 Historical
321649 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 12/01/2005 Historical
321642 Metropolitan Water District of Southern California 401 Certification CERFILLEXC 07/26/2005 Historical
315542 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
310263 Metropolitan Water District of Southern California NPDES Permit NPDESWW 06/04/2005 Historical
303417 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 03/10/2006 Historical
298652 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 02/16/2006 Historical
260355 Metropolitan Water District of Southern California Letter WDR None Historical
260232 Metropolitan Water District of Southern California Letter WDR None Historical
259546 Metropolitan Water District of Southern California Letter WDR None Historical
259310 Metropolitan Water District of Southern California Letter WDR None Historical
259282 Metropolitan Water District of Southern California Letter WDR None Historical
259276 Metropolitan Water District of Southern California Letter WDR None Historical
259269 Metropolitan Water District of Southern California Letter WDR None Historical
259268 Metropolitan Water District of Southern California Letter WDR None Historical
259205 Metropolitan Water District of Southern California Letter WDR None Historical
259152 Metropolitan Water District of Southern California Letter WDR None Historical
259145 Metropolitan Water District of Southern California Letter WDR None Historical
246840 Metropolitan Water District of Southern California Enrollee LNDISP 10/11/2002 Historical
214136 Metropolitan Water District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 02/25/2014 Active
214013 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 11/09/1998 Historical
211465 Metropolitan Water District of Southern California Enrollee CONSTW 01/19/2001 Historical
211435 Metropolitan Water District of Southern California Enrollee CONSTW 01/19/2001 Historical
211412 Metropolitan Water District of Southern California Enrollee CONSTW 01/19/2001 Historical
211407 Metropolitan Water District of Southern California Enrollee CONSTW 01/19/2001 Historical
211169 Metropolitan Water District of Southern California Enrollee CONSTW 03/10/2003 Historical
209313 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 10/19/2001 Historical
205886 Metropolitan Water District of Southern California Enrollee - NPDES NPDNONMUNIPRCS 03/09/1984 Active
205881 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 10/23/2000 Active
205880 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 10/27/2000 Active
205863 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 05/16/1984 Active
205793 Metropolitan Water District of Southern California Enrollee WDRMUNIOWTS 06/11/1997 Active
193904 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 06/30/1998 Historical
193898 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 06/05/1998 Historical
193602 Metropolitan Water District of Southern California Enrollee NPDNONMUNIPRCS 11/23/1998 Historical
177905 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
171266 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
167517 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
163939 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
162147 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
160013 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
159799 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
151976 Metropolitan Water District of Southern California 401 Certification CERFILLEXC None Historical
148299 Metropolitan Water District of Southern California NPDES Permit NPDESWW 06/01/2001 Historical
147414 Metropolitan Water District of Southern California NPDES Permit NPDESWW 10/28/1999 Historical
144359 Metropolitan Water District of Southern California NPDES Permit NPDESWW 04/09/1999 Historical
141987 Metropolitan Water District of Southern California NPDES Permit NPDESWW 12/01/1995 Historical
141842 Metropolitan Water District of Southern California WDR LNDISP 03/26/1979 Historical
141197 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/12/1997 Historical
140560 Metropolitan Water District of Southern California NPDES Permit NPDESWW 03/08/1996 Historical
140481 Metropolitan Water District of Southern California WDR WDR 12/08/1989 Historical
139679 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/08/1989 Historical
139678 Metropolitan Water District of Southern California NPDES Permit NPDNONMUNIPRCS 09/08/1989 Historical
139442 Metropolitan Water District of Southern California WDR NPDESWW 07/14/1989 Historical
139213 Metropolitan Water District of Southern California WDR NPDESWW 03/14/1986 Historical
139108 Metropolitan Water District of Southern California NPDES Permit NPDESWW 04/13/1984 Historical
139100 Metropolitan Water District of Southern California NPDES Permit NPDNONMUNIPRCS 03/09/1984 Historical
137140 Metropolitan Water District of Southern California WDR WDRNONMUNIPRCS 06/29/1979 Historical
136761 Metropolitan Water District of Southern California NPDES Permit NPDESWW 05/12/1997 Historical
136572 Metropolitan Water District of Southern California WDR WDRMUNIOTH 05/14/1998 Historical
136530 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/14/1998 Historical
136342 Metropolitan Water District of Southern California WDR LNDISP 03/12/1998 Historical
135875 Metropolitan Water District of Southern California WDR WDRMUNIOTH 09/13/1994 Historical
135797 Metropolitan Water District of Southern California WDR LNDISP 03/23/1988 Historical
135717 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/18/1995 Historical
135716 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/18/1995 Historical
135278 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/22/1986 Historical
135277 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/22/1986 Historical
134980 Metropolitan Water District of Southern California WDR WDRMUNIOTH 05/16/1984 Historical
134962 Metropolitan Water District of Southern California NPDES Permit NPDESWW 11/01/1993 Historical
134961 Metropolitan Water District of Southern California NPDES Permit NPDESWW 11/01/1993 Historical
134558 Metropolitan Water District of Southern California WDR LNDISP 11/15/1978 Historical
134522 Metropolitan Water District of Southern California NPDES Permit NPDESWW 05/21/1990 Historical
134374 Metropolitan Water District of Southern California NPDES Permit NPDESWW 11/19/1984 Historical
134118 Metropolitan Water District of Southern California NPDES Permit NPDESWW 09/24/1979 Historical
133604 Metropolitan Water District of Southern California NPDES Permit NPDNONMUNIPRCS 06/04/2004 Historical
133372 Metropolitan Water District of Southern California NPDES Permit NPDESWW 05/05/2005 Historical
131720 Metropolitan Water District of Southern California NPDES Permit NPDESWW 08/29/2002 Historical
Total Regulatory Measures linked to Related Parties: 118
  
  
The current report was generated with data as of: 10/30/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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