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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
553789 North Coast Region MS4 Phase 1 Government Agency Combination 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
819661 North Coast Region MS4 Phase I Sonoma 1 MS4 Owner and Operator 11/25/2015 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
538077 Rohnert Park City Organization In an Agreement With 11/25/2015 None City Agency
47705 Ukiah City Organization In an Agreement With 11/25/2015 None City Agency
9495 Cotati City Organization In an Agreement With 11/25/2015 None City Agency
41499 Sonoma County Water Agency (SCWA) Organization In an Agreement With 11/25/2015 None County Agency
40371 Sebastopol City Organization In an Agreement With 11/25/2015 None City Agency
8862 Cloverdale City Organization In an Agreement With 11/25/2015 None City Agency
351036 Sonoma County PRMD Organization In an Agreement With (Passive) 11/25/2015 None County Agency
148702 Santa Rosa City Dept of Public Works Organization In an Agreement With 11/25/2015 None City Agency
51027 Windsor Water District Organization In an Agreement With 11/25/2015 None Special District
20025 Healdsburg City Organization In an Agreement With 11/25/2015 None City Agency
Total Related Parties: 10
  
  
  
  
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
442900 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/12/2021 Active
442947 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 04/14/2021 Active
443181 Sonoma County PRMD 401 Certification CERFILLEXC 07/21/2021 Active
443183 Sonoma County PRMD 401 Certification CERFILLEXC 07/22/2021 Active
446209 Santa Rosa City Dept of Public Works Enrollee - Waiver CERFILLEXC 07/11/2022 Active
447308 Sonoma County Water Agency (SCWA) Enrollee - Waiver WDRMUNIENROTH 06/14/2022 Active
448467 Ukiah City 401 Certification CERFILLEXC 03/10/2023 Active
450252 Healdsburg City Enrollee - WDR VEGMANIP 11/16/2021 Active
452204 Rohnert Park City 401 Certification CERFILLEXC 03/26/2024 Active
452272 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Active
452287 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Active
452960 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 06/23/2023 Active
452968 Rohnert Park City 401 Certification CERFILLEXC 11/06/2024 Active
453210 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active
453211 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active
453383 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 07/08/2024 Active
455714 Santa Rosa City Dept of Public Works Enrollee - 401 Certification CERFILLEXC 02/14/2024 Active
456483 Sonoma County Water Agency (SCWA) Enrollee - Waiver CERFILLEXC 05/21/2024 Active
457127 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 07/24/2024 Active
457267 Healdsburg City Enrollee - 401 Certification CERFILLEXC 07/18/2024 Active
457952 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 10/01/2024 Active
457997 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 05/07/2025 Active
458035 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 06/16/2025 Active
458153 Ukiah City NPDES Permit NPDMUNILRG 10/01/2024 Active
458349 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 05/07/2025 Active
458465 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 03/19/2025 Active
459395 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 02/01/2025 Active
460098 Santa Rosa City Dept of Public Works Enrollee - 401 Certification CERREST 05/05/2025 Active
461037 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/29/2025 Active
461750 Santa Rosa City Dept of Public Works Enrollee - 401 Certification CERFILLEXC 08/27/2025 Active
462420 Sebastopol City Enrollee - 401 Certification CERFILLEXC 09/16/2025 Active
131653 Ukiah City WDR LFNONOPER 06/27/2002 Active
137649 Santa Rosa City Dept of Public Works WDR WDRMUNILRG 04/28/1988 Active
138699 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 03/28/1996 Active
299931 Cotati City Enrollee - WDR SSOMUNISML 01/02/2007 Active
299949 Rohnert Park City Enrollee - WDR SSOMUNILRG 10/25/2006 Active
299951 Sebastopol City Enrollee - WDR SSOMUNISML 01/01/2006 Active
299972 Cloverdale City Enrollee - WDR SSOMUNISML 11/17/2006 Active
300021 Healdsburg City Enrollee - WDR SSOMUNILRG 11/27/2006 Active
300103 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300108 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300111 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300117 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300279 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300283 Sonoma County Water Agency (SCWA) Enrollee - WDR SSOMUNISML 10/16/2006 Active
300296 Ukiah City Enrollee - WDR SSOMUNISML 08/16/2006 Active
300316 Windsor Water District Enrollee - WDR SSOMUNILRG 11/06/2006 Active
300360 Sonoma County Water Agency (SCWA) Enrollee SSOMUNISML 10/16/2006 Active
300361 Sonoma County Water Agency (SCWA) Enrollee SSOMUNILRG 10/16/2006 Active
318304 Ukiah City Enrollee - WDR SSOMUNISML 01/03/2007 Active
332501 Santa Rosa City Dept of Public Works Enrollee - WDR WDRMUNIENROTH 06/06/2007 Active
369878 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 07/23/2009 Active
376807 Sonoma County Water Agency (SCWA) 401 Certification CERREST 05/14/2014 Active
389154 Sonoma County Water Agency (SCWA) Co-Permitee NPDMUNILRG 01/01/2013 Active
392736 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 07/10/2014 Active
395060 Healdsburg City Enrollee - Waiver REC 03/12/2014 Active
402112 Healdsburg City Enrollee - WDR WDRMUNIENROTH 07/27/2015 Active
402980 Sonoma County Water Agency (SCWA) Enrollee - WDR REC 06/27/2019 Active
404763 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/09/2016 Active
407111 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/27/2017 Active
407112 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/27/2017 Active
408349 Santa Rosa City Dept of Public Works 401 Certification CERREST 01/22/2021 Active
409187 Healdsburg City Individual Monitoring Requirem WDRMUNIENROTH 07/01/2016 Active
416678 Sonoma County Water Agency (SCWA) Enrollee - NPDES NPDNONMUNIPRCS 07/01/2016 Active
420178 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 06/07/2018 Active
423602 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 07/01/2019 Active
425157 Ukiah City Enrollee - WDR WDRMUNIENROTH 10/18/2018 Active
425653 Cloverdale City NPDES Permit NPDMUNILRG 11/01/2018 Active
427515 Windsor Water District NPDES Permit NPDMUNILRG 10/01/2020 Active
427520 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 10/01/2020 Active
427524 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 08/01/2021 Active
429402 Santa Rosa City Dept of Public Works Enrollee - Waiver CERFILLEXC 04/16/2019 Active
429689 Ukiah City Enrollee - WDR CERFILLEXC 07/12/2019 Active
429754 Healdsburg City 401 Certification CERFILLEXC 07/19/2019 Active
429764 Ukiah City Individual Monitoring Requirem WDRMUNIENROTH 10/18/2018 Active
433257 Healdsburg City 401 Certification CERFILLEXC 05/18/2020 Active
433463 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 06/20/2019 Active
436540 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/12/2020 Active
437072 Sonoma County Water Agency (SCWA) Individual Monitoring Requirem REC 06/27/2019 Active
437645 Sonoma County Water Agency (SCWA) 401 Certification CERREST 07/14/2020 Active
438767 Santa Rosa City Dept of Public Works Enrollee - WDR WDRMUNIENROTH 09/29/2020 Active
438768 Rohnert Park City Enrollee - WDR WDRMUNIENROTH 09/30/2020 Active
440047 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 02/01/2021 Active
440244 Healdsburg City Co-Permitee SLIC 07/09/2020 Active
440247 Ukiah City Co-Permitee SLIC 07/09/2020 Active
440248 Windsor Water District Co-Permitee SLIC 07/09/2020 Active
440252 Cloverdale City Co-Permitee SLIC 07/09/2020 Active
440253 Santa Rosa City Dept of Public Works Co-Permitee SLIC 07/09/2020 Active
441149 Healdsburg City NPDES Permit NPDMUNILRG 12/01/2022 Active
441239 Rohnert Park City Individual Monitoring Requirem WDRMUNIENROTH 09/30/2020 Active
441240 Santa Rosa City Dept of Public Works Individual Monitoring Requirem WDRMUNIENROTH 09/29/2020 Active
441519 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 12/16/2020 Active
441712 Sonoma County Water Agency (SCWA) WDR CERFILLEXC 12/10/2020 Active
442093 Rohnert Park City Enrollee - WDR CERFILLEXC 07/26/2022 Active
442867 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 05/04/2021 Active
131336 Windsor Water District NPDES Permit NPDMUNILRG 01/24/2002 Historical
131727 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 03/01/2000 Historical
131927 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 03/20/2002 Historical
132071 Sonoma County Water Agency (SCWA) WDR WDR 03/27/2003 Historical
132103 Sonoma County PRMD WDR WDRMUNILRG 03/28/2002 Historical
132342 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 12/25/2003 Historical
132899 Healdsburg City NPDES Permit NPDMUNILRG 10/06/2004 Historical
133126 Healdsburg City NPDES Permit NPDMUNILRG 11/29/2004 Historical
136684 Sonoma County Water Agency (SCWA) WDR CERFILLEXC 08/27/1981 Historical
136707 Windsor Water District NPDES Permit NPDMUNILRG 04/22/1982 Historical
136708 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 04/22/1982 Historical
136709 Healdsburg City WDR NPDESWW 04/22/1982 Historical
136919 Ukiah City WDR LNDISP 02/27/1975 Historical
136980 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 02/24/1983 Historical
137043 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 09/22/1983 Historical
137114 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 05/07/1986 Historical
137115 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 06/27/1986 Historical
137116 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 06/27/1986 Historical
137168 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 12/04/1986 Historical
137174 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 05/28/1987 Historical
137181 Windsor Water District NPDES Permit NPDMUNILRG 03/26/1987 Historical
137290 Windsor Water District NPDES Permit NPDMUNILRG 08/16/1990 Historical
137358 Santa Rosa City Dept of Public Works WDR WDRMUNILRG 12/07/1978 Historical
137394 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 01/25/1979 Historical
137462 Ukiah City NPDES Permit NPDMUNILRG 03/29/1984 Historical
137463 Cloverdale City NPDES Permit NPDMUNILRG 01/19/1984 Historical
137505 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 05/31/1984 Historical
137523 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 11/25/1984 Historical
137639 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 04/28/1988 Historical
137702 Windsor Water District NPDES Permit NPDMUNILRG 05/23/1991 Historical
137718 Sonoma County Water Agency (SCWA) WDR WDR 08/22/1991 Historical
137719 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 08/22/1991 Historical
137773 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 05/28/1992 Historical
137785 Healdsburg City WDR NPDESWW 06/25/1992 Historical
137885 Ukiah City NPDES Permit NPDMUNILRG 03/30/1989 Historical
137887 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 07/27/1989 Historical
137908 Cloverdale City NPDES Permit NPDMUNILRG 09/21/1989 Historical
137954 Sonoma County Water Agency (SCWA) WDR WDR 12/10/1992 Historical
137968 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 05/27/1993 Historical
138061 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 06/22/1995 Historical
138081 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 08/24/1995 Historical
138260 Ukiah City WDR LNDISP 09/22/1993 Historical
138314 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 01/27/1994 Historical
138322 Ukiah City NPDES Permit NPDMUNILRG 03/24/1994 Historical
138512 Ukiah City NPDES Permit NPDMUNILRG 09/23/1999 Historical
138622 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 05/23/1990 Historical
138623 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 08/16/1990 Historical
138697 Cloverdale City NPDES Permit NPDMUNILRG 05/23/1996 Historical
138703 Windsor Water District NPDES Permit NPDMUNILRG 05/23/1996 Historical
139063 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 10/27/1994 Historical
139070 Ukiah City WDR LNDISP 10/27/1994 Historical
139182 Sonoma County Water Agency (SCWA) WDR WDRMUNIOTH 08/27/1997 Historical
139284 Santa Rosa City Dept of Public Works WDR WDR 05/27/1998 Historical
139287 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 08/26/1998 Historical
140965 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 11/19/1986 Historical
141015 Sonoma County Water Agency (SCWA) Reclamation Requirements REC 04/15/1987 Historical
142324 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 06/17/1992 Historical
145535 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 07/15/1981 Historical
147208 Santa Rosa City Dept of Public Works WDR SLIC 01/27/2000 Historical
147408 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 10/21/1998 Historical
147680 Sonoma County Water Agency (SCWA) WDR WDR 05/25/2000 Historical
148564 Sonoma County Water Agency (SCWA) WDR WDRMUNILRG 06/28/2001 Historical
150390 Ukiah City 401 Certification CERFILLEXC 08/30/2005 Historical
150839 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 07/18/2005 Historical
151638 Windsor Water District 401 Certification CERFILLEXC 03/06/2001 Historical
152727 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 06/23/2005 Historical
154138 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 01/09/2007 Historical
167880 Cloverdale City 401 Certification CERFILLEXC 08/29/2001 Historical
169121 Windsor Water District 401 Certification CERFILLEXC 08/02/2002 Historical
169248 Rohnert Park City 401 Certification CERFILLEXC 05/17/2002 Historical
169935 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 07/26/2002 Historical
170161 Windsor Water District 401 Certification CERFILLEXC 08/15/2002 Historical
170324 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 07/03/2002 Historical
170325 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 11/10/2003 Historical
170389 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 07/26/2002 Historical
170394 Sonoma County PRMD 401 Certification CERFILLEXC 10/05/2004 Historical
171004 Sebastopol City Co-Permitee MNSTW2 01/20/2006 Historical
171005 Healdsburg City Enrollee MNSTW2 01/18/2006 Historical
171006 Windsor Water District Enrollee MNSTW2 11/22/2005 Historical
171007 Cotati City Enrollee MNSTW2 11/02/2005 Historical
171008 Rohnert Park City Enrollee MNSTW2 11/02/2005 Historical
171013 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 03/19/2003 Historical
171481 Sonoma County PRMD 401 Certification CERFILLEXC 04/15/2004 Historical
171482 Sonoma County PRMD 401 Certification CERFILLEXC 07/31/2003 Historical
171625 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC None Historical
171956 Sonoma County PRMD 401 Certification CERFILLEXC 04/22/2003 Historical
172238 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 04/25/2003 Historical
172522 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 01/20/2003 Historical
172598 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 06/05/2003 Historical
172753 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/06/2004 Historical
172760 Cotati City 401 Certification CERFILLEXC 08/27/2001 Historical
173237 Windsor Water District 401 Certification CERFILLEXC 06/09/2005 Historical
173283 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 08/30/2004 Historical
173688 Sonoma County PRMD 401 Certification CERFILLEXC 09/07/2004 Historical
173704 Windsor Water District 401 Certification CERFILLEXC 06/06/2005 Historical
174915 Cotati City 401 Certification CERFILLEXC 08/04/2005 Historical
175875 Ukiah City 401 Certification CERFILLEXC 09/01/2005 Historical
176653 Sonoma County Water Agency (SCWA) Enrollee - NPDES NPDNONMUNIPRCS 01/31/2014 Historical
176692 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 06/30/2006 Historical
179202 Sonoma County Water Agency (SCWA) Co-Permitee MNSTW1 10/01/2009 Historical
179210 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 04/01/2003 Historical
179217 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 12/04/2003 Historical
179227 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 10/06/2003 Historical
179231 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 05/24/2004 Historical
179921 Santa Rosa City Dept of Public Works Enrollee NPDNONMUNIPRCS 10/18/2000 Historical
179948 Santa Rosa City Dept of Public Works Co-Permitee MNSTW1 10/01/2009 Historical
226497 Ukiah City WDR LNDISP 10/27/1994 Historical
260623 Cloverdale City Letter NPDESWW 04/27/2001 Historical
260624 Santa Rosa City Dept of Public Works Letter NPDESWW 04/27/2001 Historical
260625 Ukiah City Letter NPDESWW 04/27/2001 Historical
260626 Windsor Water District Letter NPDESWW 04/27/2001 Historical
260637 Sonoma County Water Agency (SCWA) Letter NPDESWW 04/27/2001 Historical
260638 Sonoma County Water Agency (SCWA) Letter NPDESWW 04/27/2001 Historical
260639 Sonoma County Water Agency (SCWA) Letter NPDESWW 04/27/2001 Historical
261008 Santa Rosa City Dept of Public Works Letter MNSTW1 03/06/2003 Historical
261010 Sonoma County Water Agency (SCWA) Letter WDR 03/17/2003 Historical
261023 Sonoma County Water Agency (SCWA) Letter WDR 04/23/2003 Historical
261025 Santa Rosa City Dept of Public Works Letter WDR 05/07/2003 Historical
261038 Sonoma County Water Agency (SCWA) Letter WDR 05/14/2003 Historical
261055 Sonoma County Water Agency (SCWA) Letter WDR 08/06/2003 Historical
261093 Sonoma County Water Agency (SCWA) Letter WDR 11/21/2003 Historical
261094 Santa Rosa City Dept of Public Works Letter NPDESWW 11/21/2003 Historical
261120 Sonoma County Water Agency (SCWA) Letter NPDESWW 12/29/2003 Historical
261137 Sonoma County Water Agency (SCWA) Letter NPDESWW 02/03/2004 Historical
261160 Sonoma County Water Agency (SCWA) Letter NPDESWW 05/05/2004 Historical
261172 Sonoma County Water Agency (SCWA) Letter NPDESWW 07/15/2004 Historical
261189 Sonoma County Water Agency (SCWA) Letter NPDESWW 09/27/2004 Historical
261195 Santa Rosa City Dept of Public Works Letter MNSTW1 05/06/2004 Historical
261255 Sonoma County Water Agency (SCWA) Letter NPDESWW 10/15/1998 Historical
261257 Sonoma County Water Agency (SCWA) Letter NPDESWW 10/15/1998 Historical
261405 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 12/04/2003 Historical
308397 Healdsburg City NPDES Permit NPDMUNILRG 10/12/2005 Historical
308446 Ukiah City Enrollee MNSTW2 05/04/2006 Historical
315598 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 11/09/2006 Historical
316381 Cloverdale City NPDES Permit NPDMUNILRG 06/29/2006 Historical
316436 Ukiah City NPDES Permit NPDMUNILRG 09/19/2006 Historical
318576 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 08/31/2001 Historical
318822 Sonoma County PRMD 401 Certification CERFILLEXC 05/29/2007 Historical
322321 Rohnert Park City 401 Certification CERFILLEXC 08/06/2009 Historical
323890 Windsor Water District NPDES Permit NPDMUNILRG 06/14/2007 Historical
324858 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 06/19/2007 Historical
331310 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 03/20/2009 Historical
332505 Windsor Water District Enrollee NPDNONMUNIPRCS 08/03/2007 Historical
333675 Sebastopol City Enrollee NPDNONMUNIPRCS 10/09/2007 Historical
341547 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 12/01/2008 Historical
347600 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 08/27/2008 Historical
347638 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 09/03/2008 Historical
347746 Sonoma County PRMD 401 Certification CERFILLEXC 01/07/2011 Historical
347764 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 09/02/2008 Historical
347780 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 08/09/2008 Historical
347781 Ukiah City 401 Certification CERFILLEXC 08/12/2008 Historical
347791 Sebastopol City 401 Certification CERFILLEXC 09/15/2008 Historical
348000 Sonoma County PRMD 401 Certification CERFILLEXC 08/02/2007 Historical
348313 Sonoma County PRMD 401 Certification CERFILLEXC 10/02/2007 Historical
348401 Rohnert Park City 401 Certification CERFILLEXC 10/19/2007 Historical
348402 Rohnert Park City 401 Certification CERFILLEXC 10/04/2006 Historical
348450 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 08/08/2006 Historical
348451 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 11/14/2006 Historical
348454 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC None Historical
348542 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/19/2006 Historical
348545 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 07/19/2006 Historical
348762 Sonoma County PRMD 401 Certification CERFILLEXC 10/11/2006 Historical
349042 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 04/17/2006 Historical
349099 Ukiah City 401 Certification CERFILLEXC 08/17/2008 Historical
349119 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/03/2005 Historical
349137 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 06/21/2008 Historical
349917 Santa Rosa City Dept of Public Works Resolution NPDESWW 07/24/2008 Historical
352366 Rohnert Park City Resolution WDR 09/11/2008 Historical
353382 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 05/27/2009 Historical
354515 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 06/08/2009 Historical
354859 Santa Rosa City Dept of Public Works Waiver CERFILLEXC 10/29/2008 Historical
356129 Ukiah City 401 Certification CERFILLEXC 06/08/2009 Historical
360533 Sonoma County Water Agency (SCWA) Co-Permitee NPDMUNILRG 03/01/2008 Historical
361001 Windsor Water District Enrollee NPDNONMUNIPRCS 02/05/2009 Historical
361916 Santa Rosa City Dept of Public Works Enrollee NPDNONMUNIPRCS 04/02/2009 Historical
362635 Sonoma County Water Agency (SCWA) WDR CERFILLEXC 07/23/2009 Historical
363151 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 04/13/2009 Historical
366014 Ukiah City 401 Certification CERFILLEXC 10/08/2009 Historical
366091 Healdsburg City 401 Certification CERFILLEXC 03/10/2010 Historical
370729 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 04/01/2010 Historical
371135 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 04/08/2010 Historical
373751 Sonoma County PRMD 401 Certification CERFILLEXC 06/01/2010 Historical
373817 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 12/20/2010 Historical
375188 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/12/2010 Historical
375416 Ukiah City 401 Certification CERFILLEXC 09/29/2010 Historical
375586 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 05/04/2006 Historical
375867 Sonoma County PRMD 401 Certification CERREST 09/23/2010 Historical
376474 Healdsburg City NPDES Permit NPDMUNILRG 12/01/2010 Historical
377093 Cloverdale City NPDES Permit NPDMUNILRG 08/01/2012 Historical
377195 Santa Rosa City Dept of Public Works 401 Certification CERFILLEXC 04/18/2011 Historical
377661 Sonoma County Water Agency (SCWA) Letter WDR 02/17/2011 Historical
377936 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 10/30/2009 Historical
378093 Windsor Water District 401 Certification CERFILLEXC 03/30/2011 Historical
378138 Santa Rosa City Dept of Public Works NPDES Permit NPDMUNILRG 02/01/2014 Historical
378144 Ukiah City NPDES Permit NPDMUNILRG 10/01/2012 Historical
378147 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 09/22/2009 Historical
378528 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 06/01/2009 Historical
378742 Sebastopol City NPDES Permit NPDESWW 02/23/1972 Historical
378743 Sebastopol City NPDES Permit NPDESWW 10/25/1972 Historical
378744 Sebastopol City NPDES Permit NPDESWW 07/24/1974 Historical
378745 Sebastopol City NPDES Permit NPDESWW 12/04/1974 Historical
378746 Sebastopol City NPDES Permit NPDESWW 03/25/1976 Historical
378747 Sebastopol City NPDES Permit NPDESWW 05/26/1977 Historical
378829 Sonoma County Water Agency (SCWA) Co-Permitee NPDMUNILRG 04/01/2011 Historical
379068 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 08/03/2011 Historical
380191 Ukiah City Enrollee - WDR UST 09/08/2011 Historical
382410 Windsor Water District NPDES Permit NPDMUNILRG 02/01/2014 Historical
382828 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/10/2012 Historical
384002 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 06/20/2012 Historical
385521 Healdsburg City 401 Certification CERFILLEXC 07/19/2012 Historical
386209 Ukiah City Letter NPDMUNILRG 07/12/2012 Historical
387488 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 02/01/2013 Historical
388604 Rohnert Park City 401 Certification CERFILLEXC 05/23/2013 Historical
388811 Santa Rosa City Dept of Public Works Enrollee - 401 Certification CERFILLEXC 04/12/2013 Historical
390252 Sonoma County PRMD 401 Certification CERDREDGE 08/28/2013 Historical
392149 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNIOTH 05/01/2014 Historical
392348 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 07/22/2010 Historical
392445 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 04/16/2010 Historical
393016 Rohnert Park City 401 Certification CERFILLEXC 07/21/2014 Historical
394307 Healdsburg City 401 Certification CERFILLEXC 03/17/2014 Historical
396238 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 07/01/2014 Historical
396355 Ukiah City Enrollee - Waiver WDRMUNIENROTH 06/23/2014 Historical
396675 Sonoma County Water Agency (SCWA) Enrollee NPDNONMUNIPRCS 01/31/2014 Historical
398613 Rohnert Park City 401 Certification CERFILLEXC 06/10/2015 Historical
399916 Healdsburg City NPDES Permit NPDMUNILRG 08/01/2016 Historical
403668 Healdsburg City 401 Certification CERFILLEXC 04/21/2016 Historical
411245 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 12/27/2016 Historical
411833 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 04/20/2017 Historical
412174 Rohnert Park City 401 Certification CERFILLEXC 06/06/2017 Historical
412229 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 05/17/2017 Historical
412918 Sonoma County PRMD Enrollee - Waiver CERFILLEXC 04/27/2017 Historical
413425 Ukiah City NPDES Permit NPDMUNILRG 11/01/2018 Historical
414345 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 12/28/2017 Historical
414983 Healdsburg City 401 Certification CERFILLEXC 09/06/2017 Historical
416164 Cloverdale City Enrollee - 401 Certification CERFILLEXC 09/25/2017 Historical
419472 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC 09/18/2018 Historical
421816 Ukiah City Enrollee - 401 Certification CERFILLEXC 06/29/2018 Historical
425316 Rohnert Park City Enrollee - WDR CERFILLEXC 09/25/2019 Historical
429355 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC None Historical
432957 Sonoma County Water Agency (SCWA) NPDES Permit NPDMUNILRG 09/01/2019 Historical
433457 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 07/22/2019 Historical
434859 Santa Rosa City Dept of Public Works Enrollee - WDR CERFILLEXC 10/14/2019 Historical
435103 Healdsburg City Enrollee - 401 Certification CERFILLEXC 11/08/2019 Historical
435492 Sonoma County Water Agency (SCWA) 401 Certification CERFILLEXC None Historical
435578 Healdsburg City Enrollee - 401 Certification CERFILLEXC 02/06/2020 Historical
437314 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 02/26/2020 Historical
442866 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/07/2021 Historical
442946 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 04/13/2021 Historical
443473 Healdsburg City Enrollee - WDR CERFILLEXC 07/02/2021 Historical
446373 Sonoma County PRMD Enrollee - Waiver WDRNONMUNIPRCS 11/19/2021 Historical
446863 Sonoma County Water Agency (SCWA) Enrollee - WDR CERFILLEXC 03/14/2022 Historical
452284 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 06/23/2023 Historical
452504 Sonoma County Water Agency (SCWA) Enrollee - WDR CERFILLEXC 05/18/2023 Historical
455559 Santa Rosa City Dept of Public Works Enrollee - WDR CERFILLEXC 02/15/2024 Historical
455745 Sonoma County PRMD Enrollee - 401 Certification CERFILLEXC 03/04/2024 Historical
460101 Sonoma County Water Agency (SCWA) Enrollee - 401 Certification CERFILLEXC 05/06/2025 Historical
Total Regulatory Measures linked to Related Parties: 351
  
  
The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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