General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 27786 Marin Municipal Water District Special District 220 Nellen Avenue Corte Madera, CA 94925-1169 415-945-1435(+) www.marinwater.org Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 894146 Marin Water Phase 3 of The Culvert Maintenance and Replacement Project Marin 2 Dredge/Fill Site Owner 03/25/2024 null 891475 Lagunitas Creek Watershed Enhancement Project Marin 2 Dredge/Fill Site Owner 12/08/2023 null 883568 Marin Water Phase 3 of The Culvert Maintenance and Replacement Project Marin 2 Dredge/Fill Site Owner 09/30/2022 null 880417 Pine Mountain Tunnel Tanks Replacement Project Marin 2 Dredge/Fill Site Owner 03/30/2022 null 875848 Seeger Dam Marin 2 Dredge/Fill Site Owner 08/18/2021 null 863534 Ross Reservoir landslide Repair Project Marin 2 Dredge/Fill Site Owner 12/16/2019 null 859960 Mt. Tamalpais Culvert Maintenance and Replacement Project Marin 2 Dredge/Fill Site Owner 07/22/2019 null 843084 Restoration of Azalea Hill Marin 2 Dredge/Fill Site Owner 12/20/2017 null 837883 29 Laurel Avenue Marin 2 Dredge/Fill Site Owner 08/07/2017 null 824631 North Marin Line Stabilization Project Marin 2 Dredge/Fill Site Owner 05/18/2016 null 819667 Marin WS Marin 2 Utility Structure Owner and Operator 11/25/2015 null 812926 Jewell Creek Fish Passage Restoration Project Marin 2 Dredge/Fill Site Owner 02/06/2015 null 799405 MMWD Bon Tempe Treatment Plant Marin 2 Water Treatment Plant Contact 10/04/2013 null 799405 MMWD Bon Tempe Treatment Plant Marin 2 Water Treatment Plant Owner and Operator 10/04/2013 null 797024 Marin Municipal Water District Site DG-3 Devil's Gulch Marin 2 Dredge/Fill Site Owner 07/18/2013 null 783772 Marin Municipal Water District Soulajule Spillway Outfall Repair Marin 2 Dredge/Fill Site Owner 07/19/2012 null 780151 Little Carson to Big Trees Trail Conversion Marin 2 Dredge/Fill Site Owner 04/16/2012 null 765056 Lagunitas Creek Watershed Marin 2 Dredge/Fill Site Owner and Operator 08/24/2009 null 764921 MMWD- Recycled Water (WRR Order 89-127) Marin 2 Recycled Water Use Area Owner 01/01/1990 null 756977 MMWD - Soulajule Spillway Outfall Repair Marin 2 Dredge/Fill Site Owner 07/19/2012 null 744781 MMWD Fox Hollow Culvert Marin 2 Dredge/Fill Site None null null 714529 Marin Municipal Water Dist - Aquatic Pesticides Marin 2 Habitat Restoration Area Owner 01/28/2004 null 241049 MMWD- Recycled Water (WRR Order 89-126) Marin 2 Recycled Water Use Area Owner 02/17/1976 null 221279 Desalination Pilot Plant Marin 2 Facility Owner 03/17/2005 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 642980 Jonathan Koehler Person Legally Responsible Official 12/08/2023 null null 632273 Jake Miller Person Legally Responsible Official 03/30/2022 null null 605117 Alex Anaya Person Legally Responsible Official 12/16/2019 null null 600410 Shaun Horne Person Legally Responsible Official 07/22/2019 null null 571567 Crystal Yezman Person Legally Responsible Official 12/20/2017 null null 553800 Michael Ban Person Data Submitter 11/25/2015 null null 553800 Michael Ban Person Legally Responsible Official 05/18/2016 null null 535343 Dain Anderson Person Legally Responsible Official 07/19/2012 null null 526583 Paul Helliker Person Legally Responsible Official 10/05/2009 null null 27786 Marin Municipal Water District Organization Legally Responsible Official 04/16/2012 null Special District 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 456344 401 Certification 2 2 CW456344 401 Cert for Marin Municipal Water District Active CERFILLEXC null 06/07/2024 null Discharger 03/25/2024 null 455247 Enrollee - 401 Certification 2 2 CW455247 Enrollee - 401 Certification for Marin Municipal Water District Active CERFILLEXC 2022-0048-DWQ 03/28/2024 null Discharger 12/08/2023 null 447285 401 Certification 2 2 CW447285 401 Cert for Marin Municipal Water District Active CERFILLEXC null 07/28/2022 null Discharger 03/30/2022 null 435944 401 Certification 2 2 CW435944 401 Cert for Marin Municipal Water District Active CERFILLEXC null 06/04/2020 null Discharger 12/16/2019 null 433167 401 Certification 2 2 CW433167 401 Cert for Marin Municipal Water District Active CERFILLEXC null 09/19/2019 null Discharger 07/22/2019 null 418291 401 Certification 2 2 CW418291 401 Cert for Marin Municipal Water District Active CERFILLEXC null 07/24/2020 null Discharger 12/20/2017 null 406223 Enrollee - 401 Certification 2 2 CW406223 Enrollee - 401 Certification for Marin Municipal Water District Historical CERFILLEXC 2004-0004-DWQ 06/17/2016 06/17/2021 Discharger 05/18/2016 null 403786 Enrollee - NPDES 2 4DW0497 Enrollee - NPDES under Drinking Water System Discharges NPDES Permit for Marin Municipal Water District Active NPDNONMUNIPRCS 2014-0194-DWQ 11/03/2015 null Discharger 11/25/2015 null 399756 401 Certification 2 2 CW399756 401 Cert for Marin Municipal Water District Active CERREST null 02/08/2016 null Discharger 02/06/2015 null 393412 Enrollee 2 2215171001 Enrollee under for MARIN MUNICIPAL WATER DISTRICT Historical NPDNONMUNIPRCS R2-2009-0033 10/09/2013 10/29/2014 Discharger 10/04/2013 null 392301 401 Certification 2 null WQC for MARIN MUNICIPAL WATER DISTRICT Historical CERFILLEXC null 08/30/2013 08/29/2018 Discharger 07/18/2013 null 391258 401 Certification 2 null WQC 05/20/2011 for MARIN MUNICIPAL WATER DISTRICT Historical CERFILLEXC null 05/20/2011 05/18/2016 Discharger 06/17/2013 null 386379 401 Certification 2 null WQC 09/22/2010 for MARIN MUNICIPAL WATER DISTRICT Historical CERFILLEXC null 09/22/2010 09/22/2015 Discharger 07/19/2012 null 386365 401 Certification 2 null WQC 09/22/2010 for MARIN MUNICIPAL WATER DISTRICT Historical CERFILLEXC null 09/22/2010 09/22/2015 Discharger 07/19/2012 null 384481 401 Certification 2 null WQC for MARIN MUNICIPAL WATER DISTRICT Historical CERFILLEXC null 06/04/2012 06/30/2018 Discharger 04/16/2012 null 378599 401 Certification 2 null WQC 10/05/2009 Marin Municipal Water District Historical CERFILLEXC null 10/05/2009 10/05/2014 Discharger 10/05/2009 null 378447 401 Certification 2 null 401 Cert 08/274/09 for MMWD, Lagunitas Creek Watershed Historical CERFILLEXC null 08/24/2009 08/24/2014 Discharger 08/24/2009 null 342101 Enrollee 2 2 21AP00027 Enrollee 2013-0002-DWQ for MARIN MUNICIPAL WD-AQ PESTICIDES (Region 2) Active NPDNONMUNIPRCS 2013-0002-DWQ 10/23/2015 null Discharger 03/07/2014 null 146307 Reclamation Requirements 2 2 215102001 SWIM Order Number - 76-120 Historical REC 76-120 11/16/1976 null Discharger 11/16/1976 null 146305 Reclamation Requirements 2 2 215102001 SWIM Order Number - 76-080 Historical REC 76-080 07/20/1976 null Discharger 07/20/1976 null 146304 Reclamation Requirements 2 2 215102001 SWIM Order Number - 76-079 Historical REC 76-079 07/20/1976 null Discharger 07/20/1976 null 146296 Reclamation Requirements 2 2 215102001 SWIM Order Number - 76-036 Historical REC 76-036 04/20/1976 null Discharger 04/20/1976 null 146291 Reclamation Requirements 2 2 215102001 SWIM Order Number - 76-014 Historical REC 76-014 02/17/1976 null Discharger 02/17/1976 null 141615 Reclamation Requirements 2 2 215102002 WRR Order 89-127 for MMWD Distribution and Use of Recycled Water Active REC 89-127 07/19/1989 null Discharger 07/19/1989 null 141614 Reclamation Requirements 2 2 215102001 WRR Order 89-126, for MMWD Distribution and Use of Recycled Water Active REC 89-126 07/19/1989 null Discharger 07/19/1989 null 133342 NPDES Permit 2 2 215006001 NPDES R2-2005-0006 for MARIN MUNICIPAL WATER DISTRICT Historical NPDESWW R2-2005-0006 03/17/2005 06/30/2006 Discharger 03/16/2005 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 420706 Admin Civil Liability R2-2018-1004 ACL R2-2018-1004 for Marin Municipal Water District NPDNONMUNIPRCS 04/09/2018 Historical 378001 Staff Enforcement Letter null SEL 10/26/2010 UNREGS 10/26/2010 Historical 237101 13267 Letter UNKNOWN Enforcement - 2 21-0346 UST 04/06/1999 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 456344 Marin Municipal Water District 401 Certification CERFILLEXC 06/07/2024 Active 455247 Marin Municipal Water District Enrollee - 401 Certification CERFILLEXC 03/28/2024 Active 447285 Marin Municipal Water District 401 Certification CERFILLEXC 07/28/2022 Active 435944 Marin Municipal Water District 401 Certification CERFILLEXC 06/04/2020 Active 433167 Marin Municipal Water District 401 Certification CERFILLEXC 09/19/2019 Active 418291 Marin Municipal Water District 401 Certification CERFILLEXC 07/24/2020 Active 406223 Marin Municipal Water District Enrollee - 401 Certification CERFILLEXC 06/17/2016 Historical 403786 Marin Municipal Water District Enrollee - NPDES NPDNONMUNIPRCS 11/03/2015 Active 399756 Marin Municipal Water District 401 Certification CERREST 02/08/2016 Active 393412 Marin Municipal Water District Enrollee NPDNONMUNIPRCS 10/09/2013 Historical 392301 Marin Municipal Water District 401 Certification CERFILLEXC 08/30/2013 Historical 391258 Marin Municipal Water District 401 Certification CERFILLEXC 05/20/2011 Historical 386379 Marin Municipal Water District 401 Certification CERFILLEXC 09/22/2010 Historical 386365 Marin Municipal Water District 401 Certification CERFILLEXC 09/22/2010 Historical 384481 Marin Municipal Water District 401 Certification CERFILLEXC 06/04/2012 Historical 378599 Marin Municipal Water District 401 Certification CERFILLEXC 10/05/2009 Historical 378447 Marin Municipal Water District 401 Certification CERFILLEXC 08/24/2009 Historical 342101 Marin Municipal Water District Enrollee NPDNONMUNIPRCS 10/23/2015 Active 146307 Marin Municipal Water District Reclamation Requirements REC 11/16/1976 Historical 146305 Marin Municipal Water District Reclamation Requirements REC 07/20/1976 Historical 146304 Marin Municipal Water District Reclamation Requirements REC 07/20/1976 Historical 146296 Marin Municipal Water District Reclamation Requirements REC 04/20/1976 Historical 146291 Marin Municipal Water District Reclamation Requirements REC 02/17/1976 Historical 141615 Marin Municipal Water District Reclamation Requirements REC 07/19/1989 Active 141614 Marin Municipal Water District Reclamation Requirements REC 07/19/1989 Active 133342 Marin Municipal Water District NPDES Permit NPDESWW 03/17/2005 Historical