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 Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 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 null 889832 Pond MC-5 Desedimentation and Restoration Project Contra Costa 5S Dredge/Fill Site Owner 08/09/2023 null 889634 Shortcut Pipeline Phase 3 Contra Costa 2 Dredge/Fill Site Owner 07/26/2023 null 874725 Mendoza Livestock Pond and Stream Improvement Project Alameda 5S Dredge/Fill Site Owner 06/15/2021 null 871619 Los Vaqueros Reservoir Expansion Project - Phase 2 Contra Costa 5S Dredge/Fill Site Owner 01/19/2021 null 861083 Los Vaqueros Geotechnical Project Contra Costa 5S Dredge/Fill Site Owner 09/10/2019 null 860423 Rock Slough Fish Screen Improvement Project Contra Costa 5S Dredge/Fill Site Owner 08/14/2019 null 855027 50 Arthur Road Contra Costa 2 Dredge/Fill Site Owner 01/04/2019 null 841293 Contra Costa Water District Brentwood WS Contra Costa 5S Utility Structure Owner and Operator 11/01/2017 null 840743 Contra Costa Water District (Secondary) WS Contra Costa 5S Utility Structure Owner and Operator 10/11/2017 null 819511 Shortcut Pipeline Improvement Project Contra Costa 2 Dredge/Fill Site Owner 11/17/2015 null 805461 Marsh Creek Corridor Flushing Operations Contra Costa 5S Development Site, NEC Owner and Operator 04/15/2014 null 799148 Los Vaqueros Reservoir's Pond/Wetland Maintenance Project Contra Costa 5S Dredge/Fill Site Owner 09/26/2013 null 798069 Los Vaqueros Reservoir Dam Outfall Maintenance Project Contra Costa 5S Dredge/Fill Site Owner 08/21/2013 null 796402 Contra Costa Canal Replacement Segments 2 through 5 Contra Costa 5S Utility Structure Operator 06/19/2013 null 796189 Martinez Reservoir Boat Ramp Contra Costa 2 Dredge/Fill Site Owner 06/26/2013 null 795798 Segment 5 Contra Costa Canal Replacement Project Contra Costa 5S Waterway/Shoreline Site Owner and Operator 06/19/2013 null 781946 Contra Costa Water District Contra Costa 2 Utility Structure Owner 06/27/2013 null 769472 Contra Costa Canal Intake (Rock Slough) Fish Screen Contra Costa 5S Dredge/Fill Site Owner 08/04/2011 null 759674 Contra Costa Water District Mallard Slough Intake Channel Dredging Contra Costa 2 Dredge/Fill Site Owner 06/21/2013 null 758968 Los Vaqueros Reservoir Expansion Contra Costa 5S Dredge/Fill Site Owner and Operator 11/30/2010 null 740885 Contra Costa Canal Intake (Rock Slough) Fish Screen Contra Costa 5S Utility Structure Owner and Operator 07/08/2009 null 722872 Contra Costa District Alternative Intake Project Dewatering System San Joaquin 5S Facility Operator 03/11/2007 null 713803 Bollman Water Treatment Plant Contra Costa 2 Facility Owner 02/25/2008 null 657536 Contra Costa Canal Replacement Proj Phase 1 Contra Costa 5S Utility Structure Owner 05/09/2008 null 654120 Contra Costa Wtr Dist - Aquatic Pesticides Contra Costa 2 Waterway/Shoreline Site Owner 05/27/2004 null 252002 Reclamation Indl Use Contra Costa 2 Facility Owner 03/17/1982 08/19/1998 251745 Randall Bold WTP Contra Costa 5S Water Treatment Plant Operator 02/04/2005 null 250707 Pond K-5 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 250706 Pond I-8 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 250705 Pond F-11 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 250704 Pond E-8 Rehabilitation Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 246645 Old River Diffuser Project Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 237462 Los Vaqueros Water Conveyance Contra Costa 5S Facility Owner 05/26/1995 null 235393 Kellogg Creek Stock Watering P Contra Costa 5S Dredge/Fill Site Owner 06/17/2005 null 215594 Contra Loma Reservoir Discharge Contra Costa 5S Facility Owner 01/18/2001 null 215593 Contra Costa WTR-AQ Pesticdes Contra Costa 5S Waterway/Shoreline Site Owner 08/27/2001 null 215582 Contra Costa Canal Lateral Contra Costa 5S Facility Owner 10/01/2003 null 209993 Bollman WTP Sludge Disp Contra Costa 2 Land Treatment Unit Owner 01/16/1985 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 625354 Cary Richardson Person Legally Responsible Official 06/15/2021 null null 601908 Jennifer Johnson Person Legally Responsible Official 09/10/2019 null null 593667 Fran Garland Person Legally Responsible Official 01/04/2019 null null 546116 Stephen Welch Person Legally Responsible Official 04/15/2014 null null 542627 Cheryl Davis Person Legally Responsible Official 08/21/2013 null null 541450 Rachel Murphy Person Legally Responsible Official 06/26/2013 null null 541250 Greg Gartrell Person Legally Responsible Official 06/21/2013 null null 528320 Mark Seedall Person Legally Responsible Official 08/04/2011 null null 513638 Contra Costa Water Authority (a Partnership) Organization Division Of (Passive) 12/27/2007 null Government Agency Combination Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 454695 Enrollee - 401 Certification 5S 5B07CR00256 Enrollee - 401 Certification for Contra Costa Water District - Emergency Storm Damage Repair of Los Vaqueros Road and Culvert 24 Project RGP8 Active CERFILLEXC 2023-0061-DWQ 11/16/2023 null Discharger 10/17/2023 null 453883 Enrollee - 401 Certification 5S 5B07CR00254 Enrollee - 401 Certification for Contra Costa Water District - Pond MC-5 Desedimentation and Restoration Project Historical CERFILLEXC SB12006GN 08/29/2023 03/28/2024 Discharger 08/09/2023 null 453646 401 Certification 2 2 CW453646 401 Cert for Contra Costa Water District Active CERFILLEXC null 10/27/2023 null Discharger 07/26/2023 null 443760 Enrollee - 401 Certification 5S 5B01CR00043 Enrollee - 401 Certification for Contra Costa Water District - Mendoza Livestock Pond and Stream Improvement Project Active CERFILLEXC 2004-0004-DWQ 07/30/2021 null Discharger 06/15/2021 null 441935 401 Certification 5S 5B07CR00229 401 Cert for Contra Costa Water District - Los Vaqueros Reservoir Expansion Project - Phase 2 Active CERFILLEXC null 06/30/2022 null Discharger 01/19/2021 null 434097 Enrollee - 401 Certification 5S 5B07CR00217 Enrollee - 401 Certification for Contra Costa Water District - Los Vaqueros Geotechnical Project Historical CERFILLEXC SB17001GN 10/18/2019 12/10/2019 Discharger 09/10/2019 null 433560 Enrollee - 401 Certification 5S 5B07CR00215 Enrollee - 401 Certification for Contra Costa Water District - Rock Slough Fish Screen Improvement Project Historical CERFILLEXC SB17001GN 02/17/2020 08/04/2022 Discharger 08/14/2019 null 428162 Enrollee - 401 Certification 2 null Enrollee - 401 Certification for Contra Costa Water District Historical CERFILLEXC 2004-0004-DWQ 06/19/2019 10/01/2019 Discharger 01/04/2019 null 416912 Enrollee - NPDES 2 4DW0083 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Contra Costa Water District Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 null Discharger 11/01/2017 null 416677 Enrollee - NPDES 5S 4DW0669 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for Contra Costa Water District Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 null Discharger 10/11/2017 null 413904 Enrollee - NPDES 5S 5B07AP00003 Enrollee under NPDES Limited Threat GO for Contra Costa Water District; Segment 5 Contra Costa Canal Replacement Project Active NPDNONMUNIPRCS R5-2022-0006-02 06/19/2017 null Discharger 06/21/2017 null 411656 13267 Letter (Non-Enforcement) 5S null 13267 Letter (Non-Enforcement) 2013-0073 for Contra Costa Water District Active NPDNONMUNIPRCS 2013-0073 01/20/2017 null Discharger 01/31/2017 null 403674 401 Certification 2 2 CW403674 401 Cert for Contra Costa Water District Historical CERFILLEXC null 03/08/2016 01/26/2021 Discharger 11/17/2015 null 396659 Enrollee - NPDES 2 2 07AP00001 Enrollee 2013-0002-DWQ for CONTRA COSTA WD-AQ PESTICIDES (Region 2) Historical NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 11/10/2016 Discharger 11/30/2018 null 396659 Enrollee - NPDES 2 2 07AP00001 Enrollee 2013-0002-DWQ for CONTRA COSTA WD-AQ PESTICIDES (Region 2) Historical NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 11/10/2016 Discharger 12/23/2013 null 395691 Enrollee - NPDES 5S 5B07NP00020 Enrollee under R5-2013-0074-140 for Contra Costa Water District, Marsh Creek Corridor Flushing Operations Historical NPDMUNIOTH R5-2013-0074 04/14/2014 08/15/2016 Discharger 04/15/2014 null 393329 401 Certification 5S 5B07CR00151 WQC 08/01/2015 for Contra Costa Water District, Los Vaqueros Reservoir's Pond/Wetland Historical CERFILLEXC null 08/01/2014 08/02/2014 Discharger 09/26/2013 null 392852 401 Certification 5S 5B07CR00133 WQC 10/07/2013 for Contra Costa Water District, LosVaqueros Reservoir Dam Outfall Active CERFILLEXC null 10/07/2013 null Discharger 08/21/2013 null 391835 Enrollee - WDR 5S 5B07NC00026 Enrollee 2003-0003-DWQ-0043 for Contra Costa WD; Contra Costa Canal Replacement Segments 2 through 5 Active WDRNONMUNIPRCS 2003-0003-DWQ 06/19/2013 null Discharger 06/19/2013 null 391712 Enrollee - 401 Certification 2 null Enrollee under for Contra Costa Water District Historical CERFILLEXC 2004-0004-DWQ 07/25/2012 07/24/2017 Discharger 06/27/2013 null 391675 Enrollee - 401 Certification 2 null Enrollee under for Contra Costa Water District Historical CERFILLEXC 2004-0004-DWQ 07/25/2012 07/24/2017 Discharger 06/26/2013 null 391454 401 Certification 2 2 CW391454 WQC 11/10/2011 for Contra Costa Water District Historical CERDREDGE null 11/10/2011 12/31/2022 Discharger 06/21/2013 null 391349 Enrollee - NPDES 5S 5B07AP00003 Enrollee under R5-2013-0073-029 for Contra Costa Water District, Contra Costa Canal Replacement Project Historical NPDNONMUNIPRCS R5-2013-0073-01 06/12/2013 05/10/2017 Discharger 06/19/2013 null 380702 401 Certification 5S 5B07CR00104 401 Cert 08/24/2009 for Contra Costa Water District; Contra Costa Canal Intake (Rock Slough) Fish Screen Historical CERFILLEXC null 08/24/2009 08/24/2014 Discharger 08/04/2011 null 377573 Enrollee 5S 5B07NP00015 Enrollee under Low Threat GO for Contra Costa WD,Canal Intake (RockSlough) Fish Screen Historical NPDNONMUNIPRCS R5-2008-0081 11/23/2010 11/19/2012 Discharger 11/23/2010 null 376713 401 Certification 5R 5B07CR00120 WQC 03/04/2011 for Contra Costa Water District; Los Vaqueros Reservoir Expansion Historical CERFILLEXC null 03/04/2011 03/04/2021 Discharger 11/30/2010 null 373650 Enrollee 2 2 071235001 Enrollee - NPDES CAG382001 Order 2009-0033 CCWD R. Bollman WTP 2 071235001 Historical NPDNONMUNIPRCS R2-2009-0033 03/30/2010 04/19/2012 Discharger 06/28/2007 null 368423 Enrollee 5S 5B07NC00018 Enrollee 2003-0003-DWQ-0008 for Contra Costa WD, Canal Intake Rock Historical WDRNONMUNIPRCS 2003-0003-DWQ 07/08/2009 01/06/2012 Discharger 07/08/2009 null 367756 Individual Monitoring Requirem 5S 5B07NC00026 Stand alone MRP R5-2009-0827 for Contra Costa Water Dist, Canal Rplmnt Phase I Active WDR R5-2009-0827 06/16/2009 null Discharger 12/06/2007 null 367325 Enrollee 5S 5B07NC00016 Enrollee 2003-0003-DWQ-0007 for Contra Costa WD, Canal Rplmnt Phase I Historical WDRNONMUNIPRCS null 06/16/2009 07/23/2013 Discharger 12/06/2007 null 349265 Waiver 5S 5B07NC00017 Waiver R5-2008-0048 for Contra Costa WD, Alternative Intake Project Dewatering Historical WDRNONMUNIPRCS R5-2008-0048 03/14/2007 10/12/2011 Discharger 03/14/2007 null 340045 Waiver 5S 5B07NC00016 Waiver R5-2007-0178 for Contra Costa Water Dist, Canal Replacement Phase I Historical WDRNONMUNIPRCS R5-2007-0178 12/06/2007 08/12/2009 Discharger 12/06/2007 null 328150 Enrollee 2 2 07AP00006 Enrollee-CAG990005-Aqtc Pstcds-Weeds > Contra Costa Water Dist (RB2) Historical NPDNONMUNIPRCS 2004-0009-DWQ 05/27/2004 11/30/2013 Discharger 09/01/2005 null 327423 Enrollee 2 2 071235001 Enrollee - NPDES GP CAG382001 - CCWD Ralph Bollman WTP 2 071235001 Historical NPDNONMUNIPRCS R2-2003-0062 03/30/2006 03/29/2010 Discharger 06/28/2007 null 259815 Letter 5S null LTR LT960112 for Contra Costa Water District Historical WDR LT960112 01/12/1996 01/12/1996 Discharger 01/12/1996 null 259532 NPDES Permit 2 2 071009001 NPDES- Admin Extension Letter for CA0028207, CCWD Indust Reclm Use Historical NPDESWW LTR-970612 06/12/1997 08/19/1998 Discharger 06/12/1997 null 194735 Enrollee 5S 5B07NP00010 Enrollee under Low Threat GO for Contra Costa WD, Contra Costa Canal Lateral Historical NPDNONMUNIPRCS 5-00-175 10/15/2003 04/05/2004 Discharger 09/01/2005 null 194730 Enrollee - NPDES 2 5B07NP00005 Enrollee under 2013-0002-DWQ for CONTRA COSTA WD-AQ PESTICIDES (Regions 2 & 5) Active NPDNONMUNIPRCS 2013-0002-DWQ 12/23/2013 null Discharger 12/23/2013 null 194727 Enrollee 5S 5B07NP00002 Enrollee 5-00-175 for Contra Costa WD, Contra Loma Reservoir Discharge Historical NPDNONMUNIPRCS 5-00-175 01/30/2001 12/09/2008 Discharger 09/01/2005 null 194722 Enrollee 5S 5B078002001 5B078002001 Historical WDR 91-250 05/30/1995 11/22/1996 Discharger 09/01/2005 null 176100 WDR 5S 5B07NC00013 WDR R5-2007-0048 for Contra Costa Water District, Randall Bold WTP Active WDRNONMUNIPRCS R5-2007-0048 05/04/2007 null Discharger 05/04/2007 null 146609 WDR 2 2 071139001 WDR 85-011 for CONTRA COSTA CO WATER DIST (Bollman WTP Sludge) Active WDRMUNIOTH 85-011 01/16/1985 null Discharger 01/16/1985 null 145548 NPDES Permit 2 2 071009001 NPDES 82-007 for CONTRA COSTA CO WATER DIST Reclamation Industrial Use Historical NPDESWW 82-007 03/17/1982 05/20/1987 Discharger 03/17/1982 null 142293 NPDES Permit 2 2 071009001 NPDES 92-050 for CONTRA COSTA CO WATER DIST- Reclamation Industrial Use Historical NPDESWW 92-050 05/20/1992 08/19/1998 Discharger 05/20/1992 null 142279 NPDES Permit 2 2 071009001 NPDES- 98-083,CONTRA COSTA CO WATER DIST- Rescission of Permit (Recl Indust Use) Historical NPDESWW 98-083 08/19/1998 08/19/1998 Discharger 08/19/1998 null 141019 NPDES Permit 2 2 071009001 NPDES 87-041 for CONTRA COSTA CO WATER DIST Reclamation Industrial Use Historical NPDESWW 87-041 05/20/1987 05/20/1992 Discharger 05/20/1987 null Violations within the past calendar 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 430196 Admin Civil Liability R5-2019-0508 ACL R5-2019-0508 for Contra Costa Water District NPDNONMUNIPRCS 06/11/2019 Historical 429100 Notice of Violation null NOV 02/26/2019 for Contra Costa Water District NPDNONMUNIPRCS 02/26/2019 Historical 428127 Notice of Violation null NOV 12/21/2018 for Contra Costa Water District NPDNONMUNIPRCS 12/21/2018 Historical 423585 Notice of Violation null NOV 08/13/2018 for Contra Costa Water District NPDNONMUNIPRCS 08/13/2018 Historical 402863 Notice of Violation null NOV 09/03/2015 for Contra Costa Water District NPDNONMUNIPRCS 09/03/2015 Historical 402551 Notice of Violation null NOV 09/03/2014 for Contra Costa Water District NPDNONMUNIPRCS 09/03/2014 Historical 400290 Notice of Violation null NOV 03/11/2015 for Contra Costa Water District NPDMUNIOTH 03/11/2015 Historical 397672 Notice of Violation null NOV 08/08/2014 for Contra Costa Water District WDR 08/08/2014 Historical 397485 Oral Communication null Oral Com 06/20/2014 for Contra Costa Water District WDR 06/20/2014 Historical 387283 Notice of Violation null NOV 07/26/2012 for Contra Costa Water District NPDNONMUNIPRCS 07/26/2012 Historical 370439 Oral Communication null Oral Com 07/23/2009 for Contra Costa Water Authority (a Partnership) WDR 07/23/2009 Historical 369843 Admin Civil Liability R2-2009-0100 MMP - Offer Letter Accepted NPDESWW 03/04/2009 Historical 367595 Notice of Violation null NOV 06/16/2009 for Contra Costa Water District, Contra Loma Reservoir Discharg NPDNONMUNIPRCS 06/16/2009 Historical 256466 Staff Enforcement Letter null SEL 03/23/2005 for Contra Costa WD, Old River Diffuser Project CERFILLEXC 03/23/2005 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 388703 Contra Costa Water Authority (a Partnership) 401 Certification CERFILLEXC 12/28/2012 Historical 176100 Contra Costa Water Authority (a Partnership) WDR WDRNONMUNIPRCS 05/04/2007 Active