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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
51027 Windsor Water District Special District Po Box 100 Windsor, CA 95492-0100 707-838-1006 dlewis@townofwindsor.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
782534 Windsor Town WWTP - Cert Sonoma 1 Dredge/Fill Site Owner and Operator 06/26/2012 None
733318 Windsor Town Bluebird Well Discharge Sonoma 1 Facility Owner 02/05/2009 None
630857 Windsor Town CS Sonoma 1 Collection_System Owner 04/03/2006 None
272790 Windsor Wastewater Treatment, Reclamation, and Disposal Facility Sonoma 1 Wastewater Treatment Facility Owner 02/19/2004 None
272779 Windsor Town - Mun Separate Storm Sewer, MS4 Sonoma 1 MS4 Owner 03/11/2003 None
258529 Starr Creek Tributary No. 7 Bypass Sonoma 1 Dredge/Fill Site Owner 04/10/2002 None
241018 Windsor Town Mitchell Shiloh Conde Assessment Dist Proj Sonoma 1 Dredge/Fill Site Owner 05/04/2004 None
230442 Hiram Lewis Park Sonoma 1 Dredge/Fill Site Owner 08/15/2000 None
215807 Windsor Corporation Yard Cert Sonoma 1 Dredge/Fill Site Owner 11/08/2001 None
Total Related Places: 9
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
634235 Adrienne Cibor Person Data Submitter 04/12/2023 None None
612471 Veronica Siwy Person Legally Responsible Official 11/09/2020 None None
604642 David Ernst Person Legally Responsible Official 12/05/2019 None None
597814 Douglas Miller Person Legally Responsible Official 06/21/2019 None None
569459 Sandra Potter Person Legally Responsible Official 11/08/2017 None None
560527 Elizabeth Cargay Person Employee 11/18/2016 None None
553789 North Coast Region MS4 Phase 1 Organization In an Agreement With (Passive) 11/25/2015 None Government Agency Combination
545762 Veronica Astells Person Data Submitter 03/20/2014 None None
539392 Toni Bertolero Person Legally Responsible Official 04/03/2013 None None
539295 Victoria Shidell Person Data Submitter 03/25/2013 05/01/2013 None
537493 Fred Oster Person Data Submitter 10/31/2012 None None
529231 Michael Cave Person Legally Responsible Official 09/26/2011 None None
528432 Michael Carson Person Legally Responsible Official 08/11/2011 None None
523306 Brian Diamantini Person Legally Responsible Official 09/03/2013 None None
498948 Leslie Dumas Person Facility Contact 02/05/2009 None None
471573 Matthew Froneberger Person Legally Responsible Official 06/03/2008 08/15/2012 None
449874 Richard Bartlett Person Legally Responsible Official 12/10/2007 12/08/2017 None
395501 Mary Coburn Person Legally Responsible Official 08/23/2007 04/02/2012 None
392358 Warren Schenstrom Person Legally Responsible Official 04/03/2006 12/31/2009 None
392358 Warren Schenstrom Person Employee 03/07/2006 12/31/2009 None
380800 Richard Burtt Person Enforcement Contact 08/24/2009 None None
157258 Richard W Burtt Person Facility Contact 07/24/2006 None None
157258 Richard W Burtt Person Legally Responsible Official 03/29/2007 None None
149636 Vicki Shidell Person Data Submitter 05/01/2013 None None
143244 John Johnson Person Enforcement Contact 09/23/2003 None None
134981 Wilhelm Daida Person Facility Contact 09/18/1997 None None
Total Related Parties: 26
  
  
  
  
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?
440248 Co-Permitee SB 1B82037OSON Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
427515 NPDES Permit 1 1B82037OSON Active NPDMUNILRG R1-2020-0010 10/01/2020 None Discharger 01/24/2002 None Y
382410 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG R1-2013-0042 02/01/2014 09/30/2020 Discharger 01/24/2002 None N
378093 401 Certification 1 1B04050WNSO Historical CERFILLEXC None 03/30/2011 03/30/2016 Discharger 06/17/2005 None N
361001 Enrollee 1 1B09014RSON Historical NPDNONMUNIPRCS R1-2009-0045 02/05/2009 02/20/2013 Discharger 02/09/2009 None N
332505 Enrollee 1 1B07122NSON Historical NPDNONMUNIPRCS R1-1993-0061 08/03/2007 06/30/2009 Discharger 07/24/2007 None N
323890 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG R1-2007-0013 06/14/2007 01/31/2014 Discharger 01/24/2002 None Y
300316 Enrollee - WDR 1 1SSO10085 Active SSOMUNILRG 2022-0103-DWQ 11/06/2006 None Discharger 04/11/2006 None N
260626 Letter 1 None Historical NPDESWW 001 04/27/2001 05/27/2001 Discharger 04/27/2001 None N
173704 401 Certification 1 1B04050WNSO Historical CERFILLEXC None 06/06/2005 03/15/2011 Discharger 06/17/2005 None N
173237 401 Certification 1 1B04014WNSO Historical CERFILLEXC None 06/09/2005 06/09/2010 Discharger 06/17/2005 None N
171006 Enrollee 1 1 49M200144 Historical MNSTW2 2003-0005-DWQ 11/22/2005 06/30/2013 Discharger 06/17/2005 None N
170161 401 Certification 1 1B02059WNSO Historical CERFILLEXC None 08/15/2002 08/15/2007 Discharger 06/17/2005 None N
169121 401 Certification 1 1B01131WNSO Historical CERFILLEXC None 08/02/2002 08/02/2007 Discharger 06/17/2005 None N
151638 401 Certification 1 1B00102WNSO Historical CERFILLEXC None 03/06/2001 03/06/2006 Discharger 06/17/2005 None N
138703 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG 96-027 05/23/1996 01/23/2002 Discharger 05/23/1996 None N
137702 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG 91-034 05/23/1991 05/23/1996 Discharger 05/23/1991 None N
137290 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG 90-139 08/16/1990 08/01/1991 Discharger 08/16/1990 None N
137181 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG 87-039 03/26/1987 08/16/1990 Discharger 03/26/1987 None N
136707 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG 82-037 04/22/1982 03/26/1987 Discharger 04/22/1982 None N
131336 NPDES Permit 1 1B82037OSON Historical NPDMUNILRG R1-2002-0013 01/24/2002 06/13/2007 Discharger 01/24/2002 None N
Total Regulatory Measures: 21
  
  
  
  
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.
1150689 11/08/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150688 11/07/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.3 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150687 11/06/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.3 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150686 11/05/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.3 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150685 11/04/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 6.3 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150684 11/03/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150683 11/02/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150682 10/12/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150681 10/11/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150680 10/10/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150679 10/09/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150678 10/08/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150677 10/23/2025 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23 MPN/100 mL and reported value was 101.7 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150676 11/02/2025 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23 MPN/100 mL and reported value was 39.7 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150675 12/01/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 9.8 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150674 11/30/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 259.5 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150673 11/10/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150672 11/09/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 4.0 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150671 10/29/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150670 10/13/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1150669 11/13/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1145377 05/09/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145376 05/02/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145375 05/10/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145374 05/03/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145373 06/24/2025 OEV Total Coliform Daily Maximum limit is 240 MPN/100 mL and reported value was 2419.6 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145372 05/07/2025 OEV Total Coliform Not to exceed a specific limit more than once within any 30-day period. limit is 23 MPN/100 mL and reported value was 27.2 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145371 05/14/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145370 05/11/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145369 05/13/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145368 05/12/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1145367 05/01/2025 OEV Total Coliform 7-Day Median limit is 2.2 MPN/100 mL and reported value was 3.1 MPN/100 mL at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1135086 07/13/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 17.0 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1135085 07/27/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 15.4 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1135084 07/31/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average limit is 10 mg/L and reported value was 15.4 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1135083 07/20/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 17.8 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1135082 08/03/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 21.5 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1130218 06/08/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 20.0 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1130217 06/22/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 15 mg/L and reported value was 22.5 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1130216 06/30/2024 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 30-Day Average limit is 10 mg/L and reported value was 15.1 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 Y
1118753 05/22/2023 OEV Total Coliform Daily Minimum limit is 1 t/day and reported value was 0 t/day at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1103460 03/11/2022 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average limit is 15 mg/L and reported value was 22.6 mg/L at EFF-001. Violation N eSMR Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1095347 10/02/2021 Late Report Annual SMR ( TECHRPT ) (Final Effluent Limitation for Total Phosphorus Compliance Annual Report) report for 2020 (2406259) was due on 01-OCT-21 Violation None Report Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
1095346 10/02/2021 Late Report Annual SMR ( TECHRPT ) (Compliance Schedule for the Final Effluent Limitation for Total Phosphorus, Annual Report) report for 2020 (2406241) was due on 01-OCT-21 Violation None Report Windsor Wastewater Treatment, Reclamation, and Disposal Facility 427515 R1-2020-0010 N
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: 44
*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
464074 Admin Civil Liability R1-2026-0006 ACL R1-2026-0006 for Windsor Water District NPDMUNILRG 01/08/2026 Active
377494 Expedited Payment Letter R1-2011-0026 NOV-EPL for WINDSOR, TOWN OF NPDMUNILRG 02/04/2011 Historical
249151 Staff Enforcement Letter None Enforcement - 1B82037OSON Windsor WWTP NPDMUNILRG 09/23/2003 Historical
224604 Clean-up and Abatement Order 90-004 Enforcement - 1B82037OSON Windsor Town WWTP NPDMUNILRG 01/03/1990 Active
224483 Admin Civil Liability 90-156 Enforcement - 1B82037OSON WINDSOR TOWN WWTP NPDMUNILRG 08/16/1990 Historical
224338 Admin Civil Liability 91-128 Enforcement - 1B82037OSON WINDSOR TOWN WWTP NPDMUNILRG 08/22/1991 Historical
219089 Admin Civil Liability 88-064 Enforcement - 1B82037OSON WINDSOR TOWN WWTP NPDMUNILRG 04/28/1988 Historical
Total Enforcement Actions: 7
  
  
  
  
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: 02/19/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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