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California Integrated Water Quality System Project (CIWQS)
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Place ID 272790 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
1 272790 Windsor Wastewater Treatment, Reclamation, and Disposal Facility Wastewater Treatment Facility 8400 Windsor Windsor, CA, 95492 Sonoma
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
634235 Person Adrienne Cibor Is A Data Submitter For 04/12/2023
612471 Person Veronica Siwy Is Onsite Manager For 11/09/2020
604642 Person David Ernst Is Onsite Manager For 12/05/2019
545762 Person Veronica Astells Is A Data Submitter For 07/23/2018 11/09/2020
569459 Person Sandra Potter Is Onsite Manager For 11/08/2017 07/01/2021
545762 Person Veronica Astells Is A Data Submitter For 03/20/2014 03/31/2017
523306 Person Brian Diamantini Is Onsite Manager For 09/03/2013 07/01/2019
149636 Person Vicki Shidell Is A Data Submitter For 05/01/2013 01/28/2015
539392 Person Toni Bertolero Is Onsite Manager For 04/03/2013 12/16/2020
539295 Person Victoria Grace Shidell Pending-is a data submitter for 03/25/2013 05/01/2013
537493 Person Fred C Oster Is A Data Submitter For 10/31/2012 03/31/2017
528432 Person Michael Carson Is Onsite Manager For 08/11/2011
449874 Person Richard Bartlett Is Onsite Manager For 08/11/2011 12/08/2017
471573 Person Matthew Froneberger Operator 08/20/2008 08/15/2012
471573 Person Matthew Froneberger Is Onsite Manager For 08/20/2008 08/15/2012
157258 Person Richard W Burtt Contact 07/24/2006 08/11/2011
51027 Organization Windsor Water District Owner Special District 02/19/2004
Total Related Parties: 17
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
427515 NPDES Permit 1 NPDMUNILRG R1-2020-0010 1B82037OSON 10/01/2020 09/30/2025 Active Y
440666 Individual Monitoring Requirem 1 WDRMUNIENROTH R1-2020-0031 1B20091RSON 09/29/2020 08/05/2026 Active N
440248 Co-Permitee SB SLIC 2020-0015-DWQ 1B82037OSON 07/09/2020 Active N
382410 NPDES Permit 1 NPDMUNILRG R1-2013-0042 1B82037OSON 02/01/2014 01/31/2019 Historical N
323890 NPDES Permit 1 NPDMUNILRG R1-2007-0013 1B82037OSON 06/14/2007 08/12/2012 Historical Y
131336 NPDES Permit 1 NPDMUNILRG R1-2002-0013 1B82037OSON 01/24/2002 01/24/2007 Historical N
260626 Letter 1 NPDESWW 001 04/27/2001 Historical N
138703 NPDES Permit 1 NPDMUNILRG 96-027 1B82037OSON 05/23/1996 05/22/2001 Historical N
137702 NPDES Permit 1 NPDMUNILRG 91-034 1B82037OSON 05/23/1991 05/23/1996 Historical N
137290 NPDES Permit 1 NPDMUNILRG 90-139 1B82037OSON 08/16/1990 08/16/1995 Historical N
137181 NPDES Permit 1 NPDMUNILRG 87-039 1B82037OSON 03/26/1987 07/01/1990 Historical N
136707 NPDES Permit 1 NPDMUNILRG 82-037 1B82037OSON 04/22/1982 04/22/1987 Historical N
Total Reg Measures: 12
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. PAA Pilot Study Memo (5/16/2025) Violation U eSMR
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. Plant upset bringing additional aeration basin on line. Upset resolved in following days / weeks. no further BOD exceedances to be reported. Violation U eSMR
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. Plant upset while bringing additional aeration basin on line. Violation U eSMR
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. Plant upset while bringing additional aeration basin on line. Violation U eSMR
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. Plant upset while bringing additional aeration basin on line Violation U eSMR
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. Plant upset while bringing additional aeration basin on line. Violation U eSMR
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. Continuing to reduce SRT based off of previous outside consultant recommendation. Violation B eSMR
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. Consultation with outside process engineers, recommendation to reduce SRT. Violation B eSMR
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. Bringing additional aeration basin on-line, increase in dissolved oxygen setpoints Violation B eSMR
1118753 05/22/2023 OEV Total Coliform Daily Minimum limit is 1 t/day and reported value was 0 t/day at EFF-001. Staff informed of omission, standard operating procedure updated and routed for wastewater staff acknowledgement and signatures. Violation U eSMR
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. Staff has implemented key performance indicator (KPI) triggers, as well as additional process adjustments including a lower F/M target, and increased aeration rates. Violation B eSMR
1095346 10/02/2021 LREP 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 B Report
1095347 10/02/2021 LREP Annual SMR ( TECHRPT ) (Final Effluent Limitation for Total Phosphorus Compliance Annual Report) report for 2020 (2406259) was due on 01-OCT-21 Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 23 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) LREP = Late Report
OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
377494 Expedited Payment Letter R1-2011-0026 02/04/2011 Historical
249151 Staff Enforcement Letter 09/23/2003 Historical
224338 Admin Civil Liability 91-128 08/22/1991 Historical
224483 Admin Civil Liability 90-156 08/16/1990 Historical
224604 Clean-up and Abatement Order 90-004 01/03/1990 Active
219089 Admin Civil Liability 88-064 04/28/1988 Historical
Total Enf Actions: 6
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
56456147 B Type compliance inspection Justin C. McSmith 06/25/2024 N 0 N/A
48147382 B Type compliance inspection Justin C. McSmith 09/21/2021 N 0 N/A
36455070 B Type compliance inspection Justin C. McSmith 10/17/2018 N 0 N/A
36455060 Prerequirement inspection Justin C. McSmith 09/26/2018 N 0 Download
29124846 B Type compliance inspection Imtiaz-Ali Kalyan (Multiple) 06/29/2017 N 0 [Attachments]
20863480 B Type compliance inspection Cathleen A. Goodwin (Multiple) 06/22/2015 N 0 N/A
18257187 B Type compliance inspection Cathleen A. Goodwin 09/09/2014 N 0 N/A
16655689 B Type compliance inspection Lisa Bernard 06/17/2014 N 0 N/A
12665663 A Type compliance inspection Cathleen A. Goodwin 05/23/2013 N 0 N/A
8212119 B Type compliance inspection Cathleen A. Goodwin 04/12/2012 N 0 [Attachments]
4149623 A Type compliance inspection Cathleen A. Goodwin 03/16/2011 N 0 [Attachments]
2496399 B Type compliance inspection Catherine Kuhlman (Multiple) 06/24/2010 N 0 N/A
2496402 B Type compliance inspection Cathleen A. Goodwin 06/24/2010 N 1 N/A
1711869 A Type compliance inspection Cathleen A. Goodwin 05/27/2009 N 0 N/A
1462305 B Type compliance inspection Cathleen A. Goodwin 06/30/2008 N 0 N/A
1319845 Miscellaneous inspection Cathleen A. Goodwin 09/27/2007 N 0 Download
1186018 Miscellaneous inspection Cathleen A. Goodwin (Multiple) 07/11/2007 N 0 Download
1186016 Miscellaneous inspection Cathleen A. Goodwin (Multiple) 05/24/2007 N 0 [Attachments]
1095746 B Type compliance inspection Cathleen A. Goodwin (Multiple) 04/05/2007 N 0 N/A
337928 A Type compliance inspection Cathleen A. Goodwin 03/23/2005 Y 0 N/A
319296 B Type compliance inspection Cathleen A. Goodwin 04/05/2004 Y 0 N/A
334186 Miscellaneous inspection Cathleen A. Goodwin 03/02/2004 Y 0 N/A
334915 A Type compliance inspection Cathleen A. Goodwin 01/28/2004 Y 0 N/A
330524 B Type compliance inspection Cathleen A. Goodwin 06/27/2003 Y 0 N/A
329282 A Type compliance inspection Cathleen A. Goodwin 04/17/2003 Y 0 N/A
319308 B Type compliance inspection Cathleen A. Goodwin 10/16/2001 Y 0 N/A
319301 B Type compliance inspection Paul Keiran 12/28/2000 Y 0 N/A
319302 B Type compliance inspection Cathleen A. Goodwin 10/30/2000 Y 0 N/A
319299 B Type compliance inspection Cathleen A. Goodwin 06/13/2000 Y 0 N/A
319307 B Type compliance inspection Cathleen A. Goodwin 03/03/2000 Y 0 N/A
319326 A Type compliance inspection Cathleen A. Goodwin 12/07/1999 Y 0 N/A
319300 A Type compliance inspection Scott Gergus 03/27/1998 Y 0 N/A
319305 A Type compliance inspection Nathan Quarles 03/27/1998 Y 0 N/A
319306 A Type compliance inspection Nathan Quarles 05/08/1997 Y 0 N/A
319297 Complaint inspection Nathan Quarles 10/19/1995 Y 0 N/A
319298 Complaint inspection Nathan Quarles 08/03/1995 Y 0 N/A
319312 B Type compliance inspection Nathan Quarles 06/16/1995 Y 0 N/A
319316 B Type compliance inspection Nathan Quarles 03/24/1995 Y 0 N/A
319315 B Type compliance inspection Nathan Quarles 01/13/1995 Y 0 N/A
319311 A Type compliance inspection Nathan Quarles 06/30/1994 Y 0 N/A
319310 B Type compliance inspection Nathan Quarles 04/20/1994 Y 0 N/A
319304 B Type compliance inspection Nathan Quarles 09/07/1993 Y 0 N/A
319303 B Type compliance inspection Nathan Quarles 06/01/1993 Y 0 N/A
319317 A Type compliance inspection Nathan Quarles 10/28/1992 Y 0 N/A
319324 B Type compliance inspection Nathan Quarles 08/10/1992 Y 0 N/A
319325 B Type compliance inspection Nathan Quarles 07/17/1992 Y 0 N/A
319323 B Type compliance inspection Nathan Quarles 06/29/1992 Y 0 N/A
319319 Complaint inspection Nathan Quarles 04/23/1992 Y 0 N/A
319318 Complaint inspection Nathan Quarles 04/16/1992 Y 0 N/A
319320 Complaint inspection Nathan Quarles 04/14/1992 Y 0 N/A
319321 Complaint inspection Nathan Quarles 03/05/1992 Y 0 N/A
319309 B Type compliance inspection Nathan Quarles 02/11/1992 Y 0 N/A
319313 Complaint inspection Nathan Quarles 02/06/1992 Y 0 N/A
319314 B Type compliance inspection Nathan Quarles 01/29/1992 Y 0 N/A
319322 Complaint inspection Nathan Quarles 01/24/1992 Y 0 N/A
Total Inspections: 55 Last Inspection: 06/25/2024
  
The current report was generated with data as of: 11/20/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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