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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
572326 Lesley Hamamoto 1416 9th Street Sacramento, CA 95814 916-376-9784 None
  
  
  
  
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
341215 Ca Dept of Water Resources Sacramento Headquarters Organization Legally Responsible Official 01/18/2018 None State Agency
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
137172 Ca Dept of Water Resources Sacramento Headquarters WDR WDRINDIVSML 01/22/1987 Historical
138358 Ca Dept of Water Resources Sacramento Headquarters WDR NPDESWW 09/16/1983 Historical
383156 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 02/12/2009 Historical
383224 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 01/15/2004 Historical
400572 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 01/29/2016 Historical
403825 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 01/29/2016 Historical
435715 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 11/27/2019 Historical
383232 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/19/2003 Historical
383235 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/30/2003 Historical
384234 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 08/30/2010 Historical
388363 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/12/2012 Historical
390587 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 07/20/2012 Historical
395371 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 08/28/2014 Historical
410386 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 12/05/2017 Historical
427522 Ca Dept of Water Resources Sacramento Headquarters Enrollee - NPDES NPDNONMUNIPRCS 12/11/2018 Historical
172908 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 05/26/2004 Historical
173090 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/31/2003 Historical
194643 Ca Dept of Water Resources Sacramento Headquarters Enrollee NPDNONMUNIPRCS 08/26/2002 Historical
260101 Ca Dept of Water Resources Sacramento Headquarters Letter NPDESWW None Historical
325380 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 05/14/2007 Historical
390476 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 08/30/2013 Historical
400343 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/15/2015 Historical
403647 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 01/19/2016 Historical
405769 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 06/13/2016 Historical
149865 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/17/2005 Historical
169263 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/14/2001 Historical
169264 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/14/2001 Historical
169265 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/14/2001 Historical
383229 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/30/2003 Historical
383230 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/28/2003 Historical
383233 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/12/2003 Historical
383236 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/25/2003 Historical
383237 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/19/2003 Historical
383238 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/09/2003 Historical
390588 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 07/25/2012 Historical
391197 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 01/27/2012 Historical
394150 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 02/11/2014 Historical
396162 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/15/2014 Historical
425031 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 05/12/2019 Historical
136967 Ca Dept of Water Resources Sacramento Headquarters WDR WDR 09/23/1982 Historical
140978 Ca Dept of Water Resources Sacramento Headquarters WDR WDR 09/16/1994 Historical
149858 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/17/2005 Historical
259372 Ca Dept of Water Resources Sacramento Headquarters Letter WDR None Historical
259464 Ca Dept of Water Resources Sacramento Headquarters Letter WDR None Historical
301296 Ca Dept of Water Resources Sacramento Headquarters Enrollee SSOMUNISML 10/30/2006 Historical
374709 Ca Dept of Water Resources Sacramento Headquarters NPDES Permit NPDINDLRG 07/03/2010 Historical
384830 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 02/23/2011 Historical
402690 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/22/2017 Historical
412225 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 04/13/2017 Historical
433959 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/18/2019 Historical
438378 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/09/2020 Historical
441458 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 12/06/2020 Historical
453560 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 08/22/2023 Historical
150419 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/17/2005 Historical
153298 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/17/2005 Historical
259260 Ca Dept of Water Resources Sacramento Headquarters Letter NPDESWW None Historical
383226 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 12/03/2003 Historical
391555 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 06/21/2010 Historical
391832 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 11/09/2012 Historical
391833 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 11/19/2012 Historical
392486 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/13/2014 Historical
413165 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 05/15/2017 Historical
418860 Ca Dept of Water Resources Sacramento Headquarters Enrollee - Waiver WDRNONMUNIPRCS 01/19/2018 Historical
164976 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC None Historical
209307 Ca Dept of Water Resources Sacramento Headquarters Enrollee NPDNONMUNIPRCS 10/23/2001 Historical
318283 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC None Historical
383227 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 11/21/2003 Historical
383228 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/22/2003 Historical
383231 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 09/25/2003 Historical
383239 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 05/09/2003 Historical
384223 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 04/06/2010 Historical
389505 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 03/01/2013 Historical
392488 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 11/15/2013 Historical
421048 Ca Dept of Water Resources Sacramento Headquarters Enrollee - NPDES NPDNONMUNIPRCS 05/22/2018 Historical
457924 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/01/2024 Historical
194688 Ca Dept of Water Resources Sacramento Headquarters Enrollee WDR 08/11/2000 Historical
374368 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 05/01/2009 Historical
383225 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 12/23/2003 Historical
383234 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 08/28/2003 Historical
386960 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 03/06/2011 Historical
397737 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 12/30/2014 Historical
399606 Ca Dept of Water Resources Sacramento Headquarters NPDES Permit NPDINDLRG 07/01/2016 Historical
447079 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/28/2022 Historical
174325 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 02/25/2005 Historical
211535 Ca Dept of Water Resources Sacramento Headquarters Enrollee NPDNONMUNIPRCS 03/07/2000 Historical
451928 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 07/11/2023 Active
446992 Ca Dept of Water Resources Sacramento Headquarters NPDES Permit NPDINDLRG 09/01/2022 Active
449372 Ca Dept of Water Resources Sacramento Headquarters Enrollee - WDR WDRNONMUNIPRCS 09/26/2022 Active
419785 Ca Dept of Water Resources Sacramento Headquarters Enrollee - NPDES NPDNONMUNIPRCS 03/08/2018 Active
458519 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 04/24/2025 Active
460944 Ca Dept of Water Resources Sacramento Headquarters Enrollee - WDR WDRNONMUNIPRCS 05/19/2025 Active
444374 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 04/01/2022 Active
453809 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/02/2023 Active
429791 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERREST 05/29/2019 Active
458189 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 08/30/2024 Active
446069 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 06/29/2022 Active
461568 Ca Dept of Water Resources Sacramento Headquarters Enrollee - 401 Certification CERFILLEXC 08/08/2025 Active
313625 Ca Dept of Water Resources Sacramento Headquarters Waiver WDRNONMUNIPRCS 05/05/2006 Active
448696 Ca Dept of Water Resources Sacramento Headquarters 401 Certification CERFILLEXC 10/06/2022 Active
Total Regulatory Measures linked to Related Parties: 99
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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