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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
9313 Contra Costa Water District Special District Po Box H2o Concord, CA 94524-2099 925-688-8119(+) daomoto@ccwater.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
215593 Contra Costa WTR-AQ Pesticdes Contra Costa 5S Waterway/Shoreline Site Owner 08/27/2001 None
874725 Mendoza Livestock Pond and Stream Improvement Project Alameda 5S Dredge/Fill Site Owner 06/15/2021 None
237462 Los Vaqueros Water Conveyance Contra Costa 5S Facility Owner 05/26/1995 None
250705 Pond F-11 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
250706 Pond I-8 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
251745 Randall Bold WTP Contra Costa 5S Water Treatment Plant Operator 02/04/2005 None
795798 Segment 5 Contra Costa Canal Replacement Project Contra Costa 5S Waterway/Shoreline Site Owner and Operator 06/19/2013 None
250704 Pond E-8 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
250707 Pond K-5 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
781946 Contra Costa Water District Contra Costa 2 Utility Structure Owner 06/27/2013 None
900435 Storm Damage Repair and Restoration of Ponds D2, D5, H6, K3, & M1 Project Contra Costa 5S Dredge/Fill Site Owner 03/25/2025 None
215594 Contra Loma Reservoir Discharge Contra Costa 5S Facility Owner 01/18/2001 None
235393 Kellogg Creek Stock Watering P Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
246645 Old River Diffuser Project Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 None
740885 Contra Costa Canal Intake (Rock Slough) Fish Screen Contra Costa 5S Utility Structure Owner and Operator 07/08/2009 None
759674 Contra Costa Water District Mallard Slough Intake Channel Dredging Contra Costa 2 Dredge/Fill Site Owner 06/21/2013 None
805461 Marsh Creek Corridor Flushing Operations Contra Costa 5S Development Site, NEC Owner and Operator 04/15/2014 None
855027 50 Arthur Road Contra Costa 2 Dredge/Fill Site Owner 01/04/2019 None
890759 Emergency Storm Damage Repair of Los Vaqueros Road and Culvert 24 Project RGP8 Contra Costa 5S Dredge/Fill Site Owner and Operator 10/17/2023 None
841293 Contra Costa Water District Brentwood WS Contra Costa 5S Utility Structure Owner and Operator 11/01/2017 None
861083 Los Vaqueros Geotechnical Project Contra Costa 5S Dredge/Fill Site Owner 09/10/2019 None
209993 Bollman WTP Sludge Disp Contra Costa 2 Land Treatment Unit Owner 01/16/1985 None
713803 Bollman Water Treatment Plant Contra Costa 2 Facility Owner 02/25/2008 None
654120 Contra Costa Wtr Dist - Aquatic Pesticides Contra Costa 2 Waterway/Shoreline Site Owner 05/27/2004 None
796189 Martinez Reservoir Boat Ramp Contra Costa 2 Dredge/Fill Site Owner 06/26/2013 None
889832 Pond MC-5 Desedimentation and Restoration Project Contra Costa 5S Dredge/Fill Site Owner 08/09/2023 None
840743 Contra Costa Water District (Secondary) WS Contra Costa 5S Utility Structure Owner and Operator 10/11/2017 None
722872 Contra Costa District Alternative Intake Project Dewatering System San Joaquin 5S Facility Operator 03/11/2007 None
796402 Contra Costa Canal Replacement Segments 2 through 5 Contra Costa 5S Utility Structure Operator 06/19/2013 None
819511 Shortcut Pipeline Improvement Project Contra Costa 2 Dredge/Fill Site Owner 11/17/2015 None
902981 Los Vaqueros Dam Toe Drain Rehabilitation Project Contra Costa 5S Dredge/Fill Site Owner 09/25/2025 None
871619 Los Vaqueros Reservoir Expansion Project - Phase 2 Contra Costa 5S Dredge/Fill Site Owner 01/19/2021 None
215582 Contra Costa Canal Lateral Contra Costa 5S Facility Owner 10/01/2003 None
898105 Phase 2 Storm Damage Repair of Los Vaqueros Road and Culvert 24 Contra Costa 5S Dredge/Fill Site Owner 12/20/2024 None
657536 Contra Costa Canal Replacement Proj Phase 1 Contra Costa 5S Utility Structure Owner 05/09/2008 None
889634 Shortcut Pipeline Phase 3 Contra Costa 2 Dredge/Fill Site Owner 07/26/2023 None
758968 Los Vaqueros Reservoir Expansion Contra Costa 5S Dredge/Fill Site Owner and Operator 11/30/2010 None
769472 Contra Costa Canal Intake (Rock Slough) Fish Screen Contra Costa 5S Dredge/Fill Site Owner 08/04/2011 None
798069 Los Vaqueros Reservoir Dam Outfall Maintenance Project Contra Costa 5S Dredge/Fill Site Owner 08/21/2013 None
799148 Los Vaqueros Reservoir's Pond/Wetland Maintenance Project Contra Costa 5S Dredge/Fill Site Owner 09/26/2013 None
860423 Rock Slough Fish Screen Improvement Project Contra Costa 5S Dredge/Fill Site Owner 08/14/2019 None
252002 Reclamation Indl Use Contra Costa 2 Facility Owner 03/17/1982 08/19/1998
Total Related Places: 42
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
601908 Jennifer Johnson Person Legally Responsible Official 09/10/2019 None None
513638 Contra Costa Water Authority (a Partnership) Organization Division Of (Passive) 12/27/2007 None Government Agency Combination
648552 Cody Ericksen Person Legally Responsible Official 12/20/2024 None None
546116 Stephen Welch Person Legally Responsible Official 04/15/2014 None None
625354 Cary Richardson Person Legally Responsible Official 06/15/2021 None None
541450 Rachel Murphy Person Legally Responsible Official 06/26/2013 None None
541250 Greg Gartrell Person Legally Responsible Official 06/21/2013 None None
593667 Fran Garland Person Legally Responsible Official 01/04/2019 None None
528320 Mark Seedall Person Legally Responsible Official 08/04/2011 None None
542627 Cheryl Davis Person Legally Responsible Official 08/21/2013 None None
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?
460533 Enrollee - 401 Certification 5S 5B07CR00269 Active CERREST SB12006GN 04/11/2025 None Discharger 03/25/2025 None N
459507 401 Certification 5S 5B07CR00265 Active CERFILLEXC None 02/06/2025 None Discharger 12/20/2024 None N
454695 Enrollee - 401 Certification 5S 5B07CR00256 Historical CERFILLEXC 2023-0061-DWQ 11/16/2023 01/31/2025 Discharger 10/17/2023 None N
453646 401 Certification 2 2 CW453646 Active CERFILLEXC None 10/27/2023 None Discharger 07/26/2023 None N
453883 Enrollee - 401 Certification 5S 5B07CR00254 Historical CERFILLEXC SB12006GN 08/29/2023 03/28/2024 Discharger 08/09/2023 None N
441935 401 Certification 5S 5B07CR00229 Historical CERFILLEXC None 06/30/2022 05/02/2025 Discharger 01/19/2021 None N
443760 Enrollee - 401 Certification 5S 5B01CR00043 Active CERFILLEXC 2004-0004-DWQ 07/30/2021 None Discharger 06/15/2021 None N
433560 Enrollee - 401 Certification 5S 5B07CR00215 Historical CERFILLEXC SB17001GN 02/17/2020 08/04/2022 Discharger 08/14/2019 None N
434097 Enrollee - 401 Certification 5S 5B07CR00217 Historical CERFILLEXC SB17001GN 10/18/2019 12/10/2019 Discharger 09/10/2019 None Y
428162 Enrollee - 401 Certification 2 None Historical CERFILLEXC 2004-0004-DWQ 06/19/2019 10/01/2019 Discharger 01/04/2019 None N
413904 Enrollee - NPDES 5S 5B07AP00003 Active NPDNONMUNIPRCS R5-2022-0006-02 06/19/2017 None Discharger 06/21/2017 None N
411656 13267 Letter (Non-Enforcement) 5S None Active NPDNONMUNIPRCS 2013-0073 01/20/2017 None Discharger 01/31/2017 None N
416912 Enrollee - NPDES 2 4DW0083 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 11/01/2017 None N
416677 Enrollee - NPDES 5S 4DW0669 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 10/11/2017 None N
403674 401 Certification 2 2 CW403674 Historical CERFILLEXC None 03/08/2016 01/26/2021 Discharger 11/17/2015 None N
393329 401 Certification 5S 5B07CR00151 Historical CERFILLEXC None 08/01/2014 08/02/2014 Discharger 09/26/2013 None N
395691 Enrollee - NPDES 5S 5B07NP00020 Historical NPDMUNIOTH R5-2013-0074 04/14/2014 08/15/2016 Discharger 04/15/2014 None N
396659 Enrollee - NPDES 2 2 07AP00001 Historical NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 11/10/2016 Discharger 12/23/2013 None N
396659 Enrollee - NPDES 2 2 07AP00001 Historical NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 11/10/2016 Discharger 11/30/2018 None N
194730 Enrollee - NPDES 2 5B07NP00005 Active NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 None Discharger 12/23/2013 None N
392852 401 Certification 5S 5B07CR00133 Active CERFILLEXC None 10/07/2013 None Discharger 08/21/2013 None Y
391835 Enrollee - WDR 5S 5B07NC00026 Active WDRNONMUNIPRCS 2003-0003-DWQ 06/19/2013 None Discharger 06/19/2013 None N
391349 Enrollee - NPDES 5S 5B07AP00003 Historical NPDNONMUNIPRCS R5-2013-0073-01 06/12/2013 05/10/2017 Discharger 06/19/2013 None N
391712 Enrollee - 401 Certification 2 None Historical CERFILLEXC 2004-0004-DWQ 07/25/2012 07/24/2017 Discharger 06/27/2013 None N
391675 Enrollee - 401 Certification 2 None Historical CERFILLEXC 2004-0004-DWQ 07/25/2012 07/24/2017 Discharger 06/26/2013 None N
391454 401 Certification 2 2 CW391454 Historical CERDREDGE None 11/10/2011 12/31/2022 Discharger 06/21/2013 None Y
376713 401 Certification 5R 5B07CR00120 Historical CERFILLEXC None 03/04/2011 03/04/2021 Discharger 11/30/2010 None N
377573 Enrollee 5S 5B07NP00015 Historical NPDNONMUNIPRCS R5-2008-0081 11/23/2010 11/19/2012 Discharger 11/23/2010 None N
373650 Enrollee 2 2 071235001 Historical NPDNONMUNIPRCS R2-2009-0033 03/30/2010 04/19/2012 Discharger 06/28/2007 None N
380702 401 Certification 5S 5B07CR00104 Historical CERFILLEXC None 08/24/2009 08/24/2014 Discharger 08/04/2011 None N
368423 Enrollee 5S 5B07NC00018 Historical WDRNONMUNIPRCS 2003-0003-DWQ 07/08/2009 01/06/2012 Discharger 07/08/2009 None N
367756 Individual Monitoring Requirem 5S 5B07NC00026 Active WDR R5-2009-0827 06/16/2009 None Discharger 12/06/2007 None N
367325 Enrollee 5S 5B07NC00016 Historical WDRNONMUNIPRCS None 06/16/2009 07/23/2013 Discharger 12/06/2007 None N
340045 Waiver 5S 5B07NC00016 Historical WDRNONMUNIPRCS R5-2007-0178 12/06/2007 08/12/2009 Discharger 12/06/2007 None N
176100 WDR 5S 5B07NC00013 Active WDRNONMUNIPRCS R5-2007-0048 05/04/2007 None Discharger 05/04/2007 None N
349265 Waiver 5S 5B07NC00017 Historical WDRNONMUNIPRCS R5-2008-0048 03/14/2007 10/12/2011 Discharger 03/14/2007 None N
327423 Enrollee 2 2 071235001 Historical NPDNONMUNIPRCS R2-2003-0062 03/30/2006 03/29/2010 Discharger 06/28/2007 None N
328150 Enrollee 2 2 07AP00006 Historical NPDNONMUNIPRCS 2004-0009-DWQ 05/27/2004 11/30/2013 Discharger 09/01/2005 None N
194735 Enrollee 5S 5B07NP00010 Historical NPDNONMUNIPRCS 5-00-175 10/15/2003 04/05/2004 Discharger 09/01/2005 None N
194727 Enrollee 5S 5B07NP00002 Historical NPDNONMUNIPRCS 5-00-175 01/30/2001 12/09/2008 Discharger 09/01/2005 None N
142279 NPDES Permit 2 2 071009001 Historical NPDESWW 98-083 08/19/1998 08/19/1998 Discharger 08/19/1998 None N
259532 NPDES Permit 2 2 071009001 Historical NPDESWW LTR-970612 06/12/1997 08/19/1998 Discharger 06/12/1997 None N
259815 Letter 5S None Historical WDR LT960112 01/12/1996 01/12/1996 Discharger 01/12/1996 None N
194722 Enrollee 5S 5B078002001 Historical WDR 91-250 05/30/1995 11/22/1996 Discharger 09/01/2005 None N
142293 NPDES Permit 2 2 071009001 Historical NPDESWW 92-050 05/20/1992 08/19/1998 Discharger 05/20/1992 None N
141019 NPDES Permit 2 2 071009001 Historical NPDESWW 87-041 05/20/1987 05/20/1992 Discharger 05/20/1987 None N
146609 WDR 2 2 071139001 Active WDRMUNIOTH 85-011 01/16/1985 None Discharger 01/16/1985 None N
145548 NPDES Permit 2 2 071009001 Historical NPDESWW 82-007 03/17/1982 05/20/1987 Discharger 03/17/1982 None N
Total Regulatory Measures: 48
  
  
  
  
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.
1130594 07/31/2023 CAT1 Manganese, Total Monthly Average limit is 80 ug/L and reported value was 242 ug/ Violation N Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
1130591 07/31/2023 CAT1 Manganese, Total Daily Maximum limit is 160 ug/L and reported value was 242 ug/L Violation N Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
1130592 08/31/2023 CAT1 Manganese, Total Daily Maximum limit is 160 ug/L and reported value was 242 ug/L Violation None Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
1130593 09/30/2023 CAT1 Manganese, Total Daily Maximum limit is 160.0 ug/L and reported value was 220 ug Violation None Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
1130596 09/30/2023 CAT1 Manganese, Total Monthly Average limit is 80.0 ug/L and reported value was 200 u Violation None Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
1130595 08/31/2023 CAT1 Manganese, Total Monthly Average limit is 80.0 ug/L and reported value was 200 u Violation None Report Segment 5 Contra Costa Canal Replacement Project 413904 R5-2022-0006-02 Y
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: 6
*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
367595 Notice of Violation None NOV 06/16/2009 for Contra Costa Water District, Contra Loma Reservoir Discharg NPDNONMUNIPRCS 06/16/2009 Historical
423585 Notice of Violation None NOV 08/13/2018 for Contra Costa Water District NPDNONMUNIPRCS 08/13/2018 Historical
256466 Staff Enforcement Letter None SEL 03/23/2005 for Contra Costa WD, Old River Diffuser Project CERFILLEXC 03/23/2005 Historical
397672 Notice of Violation None NOV 08/08/2014 for Contra Costa Water District WDR 08/08/2014 Historical
400290 Notice of Violation None NOV 03/11/2015 for Contra Costa Water District NPDMUNIOTH 03/11/2015 Historical
428127 Notice of Violation None NOV 12/21/2018 for Contra Costa Water District NPDNONMUNIPRCS 12/21/2018 Historical
370439 Oral Communication None Oral Com 07/23/2009 for Contra Costa Water Authority (a Partnership) WDR 07/23/2009 Historical
429100 Notice of Violation None NOV 02/26/2019 for Contra Costa Water District NPDNONMUNIPRCS 02/26/2019 Historical
369843 Admin Civil Liability R2-2009-0100 MMP - Offer Letter Accepted NPDESWW 03/04/2009 Historical
397485 Oral Communication None Oral Com 06/20/2014 for Contra Costa Water District WDR 06/20/2014 Historical
430196 Admin Civil Liability R5-2019-0508 ACL R5-2019-0508 for Contra Costa Water District NPDNONMUNIPRCS 06/11/2019 Historical
402863 Notice of Violation None NOV 09/03/2015 for Contra Costa Water District NPDNONMUNIPRCS 09/03/2015 Historical
387283 Notice of Violation None NOV 07/26/2012 for Contra Costa Water District NPDNONMUNIPRCS 07/26/2012 Historical
402551 Notice of Violation None NOV 09/03/2014 for Contra Costa Water District NPDNONMUNIPRCS 09/03/2014 Historical
458009 Notice of Violation None NOV 08/09/2024 for Contra Costa Water District NPDNONMUNIPRCS 08/09/2024 Historical
Total Enforcement Actions: 15
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
176100 Contra Costa Water Authority (a Partnership) WDR WDRNONMUNIPRCS 05/04/2007 Active
388703 Contra Costa Water Authority (a Partnership) 401 Certification CERFILLEXC 12/28/2012 Historical
Total Regulatory Measures linked to Related Parties: 2
  
  
The current report was generated with data as of: 11/14/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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