General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 540213 California Water Service Company Privately-Owned Business 1720 North First Street San Jose, CA 95112 408-367-8200 dgonzales@calwater.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 895222 Kernville DWTP GAC Backwash Kern 5F Water Treatment Plant Owner and Operator 06/11/2024 null 895020 Split Mountain Homestead Well 02 Station Kern 5F Water Treatment Plant Owner and Operator 05/24/2024 null 894866 California Water Service, North Garden Drinking Water System, Station 217-01 Kern 5F Water Treatment Plant Owner and Operator 05/15/2024 null 893553 Cal Water Service, Selma District Stations 11-01, 13-02, and 16-01 Fresno 5F Water Treatment Plant Owner and Operator 02/20/2024 null 884764 Cal Water Service, Visalia Stations 11-02, 13-01, 19-01, 23-01, 27-01, 34-01, 40 Tulare 5F Water Treatment Plant Owner and Operator 12/14/2022 null 882942 Olmsted Creek Pipe Crossing Project Los Angeles 4 Dredge/Fill Site Owner 08/25/2022 null 880572 Olmstead Creek Pipe Crossing Los Angeles 4 Dredge/Fill Site Owner 04/07/2022 null 877966 Cal Water Service Bakersfield District Station 225-01 Kern 5F Water Treatment Plant Owner and Operator 12/06/2021 null 876939 Cal Water Service, Visalia Stations 32-01 and 82-01 Tulare 5F Water Treatment Plant Owner and Operator 10/20/2021 null 876203 California Water Service Company Notre Dame Blvd. Jack & Bore Project Butte 5R Dredge/Fill Site Owner 09/03/2021 null 870459 Cal Water Service Bakersfield Stations Kern 5F Water Treatment Plant Owner and Operator 11/17/2020 null 870458 Cal Water Service Visalia Station 83-01 Tulare 5F Water Treatment Plant Owner and Operator 11/17/2020 null 866992 CWS Station 34-01 GAC Backwash System Tulare 5F Domestic Site NEC Owner and Operator 05/27/2020 null 866991 CWS Station 23-01 GAC Backwash System Tulare 5F Domestic Site NEC Owner and Operator 05/27/2020 null 866987 CWS Station 19-01 GAC Backwash System Tulare 5F Domestic Site NEC Owner and Operator 05/27/2020 null 866792 Bakersfield North Garden GAC Backwash System (214-001 & 219-01) Kern 5F Water Treatment Plant Owner and Operator 05/15/2020 null 858890 Wilson Way Bridge: Geotechnical Boring Project San Joaquin 5S Dredge/Fill Site Owner 06/12/2019 null 821906 Coast Springs WS Marin 2 Utility Structure Owner and Operator 02/10/2016 null 821905 Armstrong WS Sonoma 1 Utility Structure Owner and Operator 02/10/2016 null 821904 Rancho del Paradiso WS Sonoma 1 Utility Structure Owner and Operator 02/10/2016 null 821903 Noel Heights WS Sonoma 1 Utility Structure Owner and Operator 02/10/2016 null 821902 Hawkins WS Sonoma 1 Utility Structure Owner and Operator 02/10/2016 null 821900 Leona Valley WS Los Angeles 4 Utility Structure Owner and Operator 02/10/2016 null 821890 Lancaster WS Los Angeles 4 Utility Structure Owner and Operator 02/10/2016 null 821888 Oroville WS Butte 5R Utility Structure Owner and Operator 02/09/2016 null 821887 Marysville WS Yuba 5S Utility Structure Owner and Operator 02/09/2016 null 821884 Lucerne WS Lake 5S Utility Structure Owner and Operator 02/09/2016 null 821880 Grand Oaks WS Kern 5F Utility Structure Owner and Operator 02/09/2016 null 821879 Lake Hughes WS Los Angeles 4 Utility Structure Owner and Operator 02/09/2016 null 821877 Hermosa Redondo WS Los Angeles 4 Utility Structure Owner and Operator 02/09/2016 null 821876 Hawthorne WS Los Angeles 4 Utility Structure Owner and Operator 02/09/2016 null 821769 Tulco WS Tulare 5F Utility Structure Owner and Operator 02/04/2016 null 821763 Mullen WS Tulare 5F Utility Structure Owner and Operator 02/04/2016 null 821760 Oak Hills WS Monterey 3 Utility Structure Owner and Operator 02/04/2016 null 821756 Las Lomas WS Monterey 3 Utility Structure Owner and Operator 02/04/2016 null 821754 Country Meadows WS Monterey 3 Utility Structure Owner and Operator 02/04/2016 null 821396 Foothills Estates WS Monterey 3 Utility Structure Owner and Operator 01/28/2016 null 820731 Selma WS Fresno 5F Utility Structure Owner and Operator 01/05/2016 null 820729 City of Commerce WS Los Angeles 4 Utility Structure Owner and Operator 01/05/2016 null 820716 Palos Verdes WS Los Angeles 4 Utility Structure Owner and Operator 01/05/2016 null 820715 East Los Angeles WS Los Angeles 4 Utility Structure Owner and Operator 01/05/2016 null 820713 Dominguez WS Los Angeles 4 Utility Structure Owner and Operator 01/05/2016 null 820711 King City WS Monterey 3 Utility Structure Owner and Operator 01/05/2016 null 820708 Visalia WS Tulare 5F Utility Structure Owner and Operator 01/05/2016 null 820686 Stockton WS San Joaquin 5S Utility Structure Owner and Operator 01/04/2016 null 820680 Bakersfield WS Kern 5F Utility Structure Owner and Operator 01/04/2016 null 820679 City of Bakersfield WS Kern 5F Utility Structure Owner and Operator 01/04/2016 null 820678 Salinas WS Monterey 3 Utility Structure Owner and Operator 01/04/2016 null 820675 Chico WS Butte 5R Utility Structure Owner and Operator 01/04/2016 null 820663 Hamilton City WS Glenn 5R Utility Structure Owner and Operator 01/04/2016 null 820647 Southlake Squirrel Valley WS Kern 5F Utility Structure Owner and Operator 12/31/2015 null 820646 Mountain Mesa WS Kern 5F Utility Structure Owner and Operator 12/31/2015 null 820644 Kernville WS Kern 5F Utility Structure Owner and Operator 12/31/2015 null 819546 Westlake WS Ventura 4 Utility Structure Owner and Operator 11/19/2015 null 819270 Salinas Hills WS Monterey 3 Utility Structure Owner and Operator 11/02/2015 null 819269 Bakersfield North WS Kern 5F Utility Structure Owner and Operator 11/02/2015 null 818680 Onyx WS Kern 5F Utility Structure Owner and Operator 10/09/2015 null 818677 Split Mountain WS Kern 5F Utility Structure Owner and Operator 10/09/2015 null 818666 Upper Bodfish WS Kern 5F Utility Structure Owner and Operator 10/09/2015 null 818664 Lower Bodfish WS Kern 5F Utility Structure Owner and Operator 10/09/2015 null 818632 Lakeland WS Kern 8 Utility Structure Owner and Operator 10/09/2015 null 818624 Bear Gulch WS San Mateo 2 Utility Structure Owner and Operator 10/07/2015 null 818623 Livermore WS Alameda 2 Utility Structure Owner and Operator 10/07/2015 null 818618 South San Francisco WS San Mateo 2 Utility Structure Owner and Operator 10/07/2015 null 818616 San Carlos WS San Mateo 2 Utility Structure Owner and Operator 10/07/2015 null 818536 San Mateo WS San Mateo 2 Utility Structure Owner and Operator 10/02/2015 null 818534 Los Altos WS Santa Clara 2 Utility Structure Owner and Operator 10/02/2015 null 818351 Cal Water Service Company Willows WS Glenn 5R Utility Structure Owner and Operator 09/28/2015 null 817374 Dixon City WS Solano 5S Utility Structure Owner and Operator 08/14/2015 null 806165 LAS Station Well LAS 6-02 cleaning and redeveloping wastewater treatment system Santa Clara 2 Water Treatment Plant Owner and Operator 05/15/2014 null 806160 Los Altos Suburban (LAS) Station Well LAS 6-02 Groundwater Discharge System Santa Clara 2 Groundwater Cleanup Site Owner and Operator 05/15/2014 null 794523 Hawthorne Drinking Water Treatment Plant Los Angeles 4 Water Treatment Plant Owner and Operator 05/28/2013 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 627306 Talle Lopez Person Legally Responsible Official 09/03/2021 null null 627306 Talle Lopez Person Legally Responsible Official 02/20/2024 null null 598686 Kim Gregory Person Legally Responsible Official 06/12/2019 null null 299600 Dale Gonzales Person Legally Responsible Official 10/07/2015 09/02/2021 null 299600 Dale Gonzales Person Legally Responsible Official 10/09/2015 09/02/2021 null 299600 Dale Gonzales Person Legally Responsible Official 10/02/2015 09/02/2021 null 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 455884 Enrollee - Waiver 5F null Enrollee - Waiver under R5-2023-0061-0004 of RWD & WDR for Specific Types of Discharge within CVR for California Water Service Company Active WDRNONMUNIPRCS R5-2023-0061 05/29/2024 null Discharger 02/20/2024 null 450555 Enrollee - NPDES 5F 5C54NP00020 NPDES R5-2022-0006-008 for California Water Service Company, Visalia District Stations 11-02, 13-01, 19-01, 23-01, 27-01, 34-01, 40-01 and 41-01 Active NPDNONMUNIPRCS R5-2022-0006-02 12/20/2022 null Discharger 12/20/2022 null 448995 Enrollee - 401 Certification SB SB22044IN Enrollee - 401 Certification for California Water Service Company Active CERFILLEXC SB20031GN 11/29/2022 null Discharger 08/25/2022 null 445920 Enrollee - Waiver 5F null Enrollee - Waiver under R5-2018-0085 for California Water Service Company Bakersfield Station 225-01 Historical WDRNONMUNIPRCS R5-2018-0085 12/14/2021 12/13/2023 Discharger 12/06/2021 null 445496 Enrollee - NPDES 5F 5C54NP00019 Enrollee - NPDES Limited Threat GO R5-2022-0002 for California Water Service Company, Visalia District Stations 32-01 and 82-01 Active NPDNONMUNIPRCS R5-2022-0006-02 10/20/2021 null Discharger 10/20/2021 null 444863 401 Certification 5R 5A04CR00332 401 Cert for California Water Service Company Historical CERFILLEXC null 09/28/2021 10/25/2021 Discharger 09/03/2021 null 441328 Enrollee - Waiver 5F null Enrollee - Waiver under R5-2018-0085 for California Water Service Company Bakersfield Stations Historical WDRNONMUNIPRCS R5-2018-0085 06/04/2021 12/13/2023 Discharger 11/17/2020 null 441327 Enrollee - Waiver 5F null Enrollee - Waiver under R5-2018-0085-0056 for California Water Service Company Visalia Station 83-01 Historical WDRNONMUNIPRCS R5-2018-0085 04/06/2021 12/13/2023 Discharger 11/17/2020 null 438096 Enrollee - Waiver 5F null Enrollee - under Waiver R5-2018-0085-0042 for California Water Service Company North Garden System Backwash Discharge Historical WDRNONMUNIPRCS R5-2018-0085 05/28/2020 12/13/2023 Discharger 05/15/2020 null 431204 Enrollee - 401 Certification 5S 5B39CR00317 Enrollee - 401 Certification for California Water Service Company - Wilson Way Bridge: Geotechnical Boring Project Historical CERFILLEXC SB17001GN 07/26/2019 12/17/2019 Discharger 06/12/2019 null 404612 Enrollee - NPDES 2 4DW0793 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Coast Springs Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/10/2016 null 404611 Enrollee - NPDES 1 4DW0792 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Armstrong Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/10/2016 null 404610 Enrollee - NPDES 1 4DW0791 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Rancho del Paradiso Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/10/2016 null 404609 Enrollee - NPDES 1 4DW0790 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Noel Heights Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/10/2016 null 404608 Enrollee - NPDES 1 4DW0789 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Hawkins Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/10/2016 null 404607 Enrollee - NPDES 5S 4DW0788 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Leona Valley Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/10/2016 null 404606 Enrollee - NPDES 6V 4DW0786 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Lancaster Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/10/2016 null 404600 Enrollee - NPDES 5R 4DW0557 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Oroville Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/09/2016 null 404599 Enrollee - NPDES 5S 4DW0570 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Marysville Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/09/2016 null 404597 Enrollee - NPDES 5S 4DW0057 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Lucerne Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/09/2016 null 404596 Enrollee - NPDES 5F 4DW0785 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Grand Oaks Active NPDNONMUNIPRCS 2014-0194-DWQ 02/05/2016 null Discharger 02/09/2016 null 404595 Enrollee - NPDES 4 4DW0787 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Lake Hughes Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/09/2016 null 404593 Enrollee - NPDES 4 4DW0590 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Hermosa Redondo Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/09/2016 null 404592 Enrollee - NPDES 4 4DW0584 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Hawthorne Active NPDNONMUNIPRCS 2014-0194-DWQ 02/04/2016 null Discharger 02/09/2016 null 404540 Enrollee - NPDES 5F 4DW0783 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Tulco Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 02/04/2016 null 404535 Enrollee - NPDES 5F 4DW0782 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Mullen Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 02/04/2016 null 404534 Enrollee - NPDES 3 4DW0781 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Oak Hills Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 02/04/2016 null 404531 Enrollee - NPDES 3 4DW0780 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 02/04/2016 null 404529 Enrollee - NPDES 3 4DW0779 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service Company-Country Meadows Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 02/04/2016 null 404463 Enrollee - NPDES 3 4DW0778 Enrollee - NPDES under Order 2014-0194-DWQ Drinking Water System Discharges for California Water Service CompanyFoothills Estates Active NPDNONMUNIPRCS 2014-0194-DWQ 01/27/2016 null Discharger 01/28/2016 null 404186 Enrollee - NPDES 5F 4DW0322 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Selma Active NPDNONMUNIPRCS 2014-0194-DWQ 12/18/2015 null Discharger 01/05/2016 null 404183 Enrollee - NPDES 4 4DW0767 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-City of Commerce Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404174 Enrollee - NPDES 4 4DW0588 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Palos Verdes Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404172 Enrollee - NPDES 4 4DW0582 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-East Los Angeles Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404170 Enrollee - NPDES 4 4DW0581 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Dominguez Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404169 Enrollee - NPDES 3 4DW0105 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-King City Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404167 Enrollee - NPDES 5F 4DW0340 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Visalia Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/05/2016 null 404155 Enrollee - NPDES 5S 4DW0281 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Stockton Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/04/2016 null 404150 Enrollee - NPDES 5F 4DW0324 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Bakersfield Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/07/2016 null 404149 Enrollee - NPDES 5F 4DW0624 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Bakersfield City Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/04/2016 null 404148 Enrollee - NPDES 3 4DW0106 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Salinas Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/04/2016 null 404146 Enrollee - NPDES 5R 4DW0555 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Chico Active NPDNONMUNIPRCS 2014-0194-DWQ 11/10/2015 null Discharger 01/04/2016 null 404139 Enrollee - NPDES 5R 4DW0754 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Hamilton City Active NPDNONMUNIPRCS 2014-0194-DWQ 11/10/2015 null Discharger 01/04/2016 null 404138 Enrollee - NPDES 5F 4DW0522 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Southlake Squirrel Valley Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 01/04/2016 null 404135 Enrollee - NPDES 5F 4DW0636 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Mountain Mesa Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 12/31/2015 null 404134 Enrollee - NPDES 5F 4DW0637 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Kernville Active NPDNONMUNIPRCS 2014-0194-DWQ 12/04/2015 null Discharger 12/31/2015 null 403710 Enrollee - NPDES 4 4DW0156 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Westlake PRIMARY Active NPDNONMUNIPRCS 2014-0194-DWQ 10/02/2015 null Discharger 11/19/2015 null 403534 Enrollee - NPDES 3 4DW0107 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Salinas Hills Active NPDNONMUNIPRCS 2014-0194-DWQ 10/12/2015 null Discharger 11/02/2015 null 403533 Enrollee - NPDES 5F 4DW0333 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Bakersfield North System Active NPDNONMUNIPRCS 2014-0194-DWQ 10/02/2015 null Discharger 11/02/2015 null 403174 Enrollee - NPDES 5F 4DW0632 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Onyx Active NPDNONMUNIPRCS 2014-0194-DWQ 09/14/2015 null Discharger 10/09/2015 null 403173 Enrollee - NPDES 5F 4DW0630 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Split Mountain Active NPDNONMUNIPRCS 2014-0194-DWQ 09/14/2015 null Discharger 10/09/2015 null 403169 Enrollee - NPDES 5F 4DW0628 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Upper Bodfish Active NPDNONMUNIPRCS 2014-0194-DWQ 09/14/2015 null Discharger 10/09/2015 null 403166 Enrollee - NPDES 5F 4DW0633 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Lower Bodfish Active NPDNONMUNIPRCS 2014-0194-DWQ 09/14/2015 null Discharger 10/09/2015 null 403165 Enrollee - NPDES 5F 4DW0634 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Lakeland Active NPDNONMUNIPRCS 2014-0194-DWQ 09/14/2015 null Discharger 10/09/2015 null 403139 Enrollee - NPDES 2 4DW0013 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Bear Gulch Active NPDNONMUNIPRCS 2014-0194-DWQ 07/15/2015 null Discharger 10/07/2015 null 403132 Enrollee - NPDES 2 4DW0012 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Livermore Active NPDNONMUNIPRCS 2014-0194-DWQ 07/15/2015 null Discharger 10/07/2015 null 403127 Enrollee - NPDES 2 4DW0011 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-South San Francisco Active NPDNONMUNIPRCS 2014-0194-DWQ 07/15/2015 null Discharger 10/07/2015 null 403126 Enrollee - NPDES 2 4DW0010 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-San Carlos Active NPDNONMUNIPRCS 2014-0194-DWQ 07/15/2015 null Discharger 10/07/2015 null 403073 Enrollee - NPDES 2 4DW0009 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-San Mateo Active NPDNONMUNIPRCS 2014-0194-DWQ 06/15/2015 null Discharger 10/02/2015 null 403072 Enrollee - NPDES 2 4DW0008 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Los Altos Suburban Active NPDNONMUNIPRCS 2014-0194-DWQ 06/15/2015 null Discharger 10/02/2015 null 403009 Enrollee - NPDES 5S 4DW0007 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for California Water Service Company-Willows WS Active NPDNONMUNIPRCS 2014-0194-DWQ 06/15/2015 null Discharger 09/28/2015 null 402471 Enrollee - NPDES 5S 4DW0006 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for CWS - Dixon Active NPDNONMUNIPRCS 2014-0194-DWQ 06/15/2015 null Discharger 08/14/2015 null 396260 Enrollee 2 2 433962060 R2-2012-0060-0036 for California Water Service Company Historical NPDNONMUNIPRCS R2-2012-0060 05/19/2014 08/01/2014 Discharger 05/15/2014 null 396258 Enrollee 2 2 433962058 R2-2012-0060-0035 for California Water Service Company Historical NPDNONMUNIPRCS R2-2012-0060 05/19/2014 09/03/2015 Discharger 05/15/2014 null 390344 Enrollee - NPDES 4 4B199000158 Enrollee - NPDES Gen Permit for Nonprocess Wastewater for California Water Service Company Active NPDNONMUNIPRCS R4-2020-0055 07/18/2013 null Discharger 05/28/2013 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 422640 Admin Civil Liability R4-2018-0092 ACL R4-2018-0092 for California Water Service Company NPDNONMUNIPRCS 07/25/2018 Historical 420599 Admin Civil Liability R4-2018-0038 ACL R4-2018-0038 for California Water Service Company NPDNONMUNIPRCS 04/05/2018 Historical 414941 Admin Civil Liability R4-2017-0067 ACL R4-2017-0067 for California Water Service Company NPDNONMUNIPRCS 10/06/2017 Historical 410428 Admin Civil Liability R4-2016-0298 ACL R4-2016-0298 for California Water Service Company NPDNONMUNIPRCS 01/31/2017 Historical 407811 Admin Civil Liability R4-2016-0235 ACL R4-2016-0235 for California Water Service Company NPDNONMUNIPRCS 09/27/2016 Historical 406150 Admin Civil Liability R4-2016-0175 ACL R4-2016-0175 for California Water Service Company NPDNONMUNIPRCS 07/19/2016 Historical 398222 Admin Civil Liability R4-2014-0183 ACL R4-2014-0183 for California Water Service Company NPDNONMUNIPRCS 01/07/2015 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status