General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 250119 Metropolitan Water District of Southern California Special District Po Box 54153 Los Angeles, CA 90054 951-827-1485 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 891351 Foothill Feeder Station 592+80 Cut Off Wall Los Angeles 4 Dredge/Fill Site Owner 11/28/2023 null 890952 CRA Whitewater Siphon Scour Protection Structure Debris Cleanup and Repair Proje Riverside 7 Dredge/Fill Site Owner 10/23/2023 null 890906 Whitewater Emergency Project Riverside 7 Dredge/Fill Site Owner 10/19/2023 null 890749 Casa Loma Siphon No. 1 and San Jacinto Pipeline Temporary Protection Project Riverside 8 Dredge/Fill Site Owner 10/10/2023 null 880474 Foothill Feeder Exposed Pipeline Repairs Los Angeles 4 Dredge/Fill Site Owner 04/01/2022 null 876365 Box Springs Feeder Emergency Fire Access Road Repairs Riverside 8 Dredge/Fill Site Owner 09/15/2021 null 873442 Station 10101+65 Riverside 7 Dredge/Fill Site Owner and Operator 04/08/2021 null 873441 Station 9977+00 Riverside 7 Dredge/Fill Site Owner and Operator 04/08/2021 null 873440 Station 9434+50 Riverside 7 Dredge/Fill Site Owner and Operator 04/08/2021 null 869932 San Diego Pipeline Nos. 1 and 2 Exposed Barrel Emergency Repairs Project Riverside 9 Dredge/Fill Site Owner 10/26/2020 null 869476 Colorado River Aqueduct Exposed Barrel Emergency Repairs Riverside 7 Dredge/Fill Site Owner 10/07/2020 null 859172 Twitchell Island Native Vegetation Removal for Floating Peat Pilot Project Sacramento 5S Dredge/Fill Site Owner 06/19/2019 null 857043 Casa Loma Siphon Emergency Repairs Riverside 8 Dredge/Fill Site Owner 03/19/2019 null 851949 Colorado River Aqueduct Exposed Conduit Emergency Repairs Riverside 7 Dredge/Fill Site Owner 10/24/2018 null 841521 Metropolitan WD So Cal DW System Discharges (R8) Orange 8 Utility Structure Owner and Operator 09/14/2018 null 837923 MWD Service Connection Central Basin 48 Los Angeles 4 Utility Structure None null null 835025 Orange County Feeder Blow-off Structure Rehab Project Orange 8 Dredge/Fill Site Owner 05/08/2017 null 832716 Lower Feeder ,Station 770+00 Access Road San Bernardino 8 Dredge/Fill Site Owner 02/13/2017 null 829962 Orange County Distribution System Infrastructure Protection Program Orange 8 Dredge/Fill Site Owner 11/21/2016 null 820260 Whitewater River/ Colorado River Aqueduct Siphon Scour Protection Project Riverside 7 Dredge/Fill Site Owner 12/18/2015 null 812501 Upper Feeder STA 75 + 38 Arizona Crossing Riverside 8 Dredge/Fill Site Owner 01/26/2015 null 807880 Lake Mathews and Cajalco Creek Dam/Detention Basin Routine Maintenance Riverside 8 Dredge/Fill Site Owner 07/24/2014 null 804787 Santa Ana River Bridge Retrofit and Routine Maintenance Riverside 8 Dredge/Fill Site Owner 03/20/2014 null 800103 Marshall Creek Tie-In Los Angeles 4 Dredge/Fill Site Owner 10/22/2013 null 785646 Intake Pumping Plant San Bernardino 7 Domestic Site NEC Owner and Operator 08/24/2012 null 784442 Robert B. Diemer Settling Basin No. 8 Spillway Conduit Project Orange 8 Dredge/Fill Site Owner 07/31/2012 null 783928 Robert B. Diemer Treatment Plant North Access Road Project Orange 8 Dredge/Fill Site Owner 07/23/2012 null 783208 Diamond Valley Lake Park Specific Plan Sewer and Water Line Project Riverside 8 Dredge/Fill Site Owner 07/10/2012 null 783184 Lake Matthews Underdrain Pipeline Riverside 8 Dredge/Fill Site Owner 07/10/2012 null 782786 Salt Creek Sewer Line Riverside 8 Dredge/Fill Site Owner 07/02/2012 null 780758 Perris Valley Pipeline Riverside 8 Dredge/Fill Site Owner 04/30/2012 null 773614 Patrol Road Erosion Repair and Bank Stabilization Riverside 9 Dredge/Fill Site Owner 12/01/2011 null 771554 Santiago Lateral Station Orange 8 Dredge/Fill Site Owner 09/29/2011 null 769970 Robert B. Diemer Treatment Plant North Access Road Orange 8 Dredge/Fill Site Owner 08/18/2011 null 767392 Julian Hinds Pumping Plant Riverside 7 Facility Owner and Operator 05/27/2011 null 756855 Box Springs Feeder Repair Phase 3 Riverside 8 Dredge/Fill Site Owner and Operator 09/16/2010 null 726998 Eagle Mountain Pumping Plant Riverside 7 Facility Operator 09/29/2008 null 647499 Colorado River Aqueduct Protective Berm Repair Project Riverside 7 Dredge/Fill Site None null null 647490 Whitewater Mining Pit Berm Reconstruction Project Riverside 7 Dredge/Fill Site None null null 644036 Rainbow Creek Maintenance Rd San Diego 9 Dredge/Fill Site None null null 633595 Metropolitan WD So Cal DW System Discharges (R9) San Diego 9 Utility Structure Operator 03/10/2006 null 630010 MWD Foothill feeder water pipeline replacement project Los Angeles 4 Facility Owner 05/09/2006 null 273916 Weymouth Softening&Filtration Los Angeles 4 Facility Owner 09/24/1979 null 273089 WTP,Henry J. Mills Riverside 8 Facility Owner 06/29/1979 null 271011 Venice Power Plant Los Angeles 4 Power Plant Owner 07/10/1994 null 260742 Sepulveda Feeder Joseph Jensen Los Angeles 4 Facility Owner 10/23/1998 null 257343 Skinner Filtration Plant Monofill Riverside 9 Land fill Owner 03/26/1979 null 256148 Searl Prkway Water + Life Muse Riverside 8 Facility Owner 07/15/2004 null 255239 San Diego Pipeline No. 6 Riverside 9 Dredge/Fill Site Owner 06/17/2005 null 254464 Robert B Diemer Filtration Plant Orange 8 Facility Owner 09/13/1994 null 254464 Robert B Diemer Filtration Plant Orange 8 Facility Operator 12/16/2005 null 254262 Rio Hondo Power Plant Los Angeles 4 Power Plant Owner 07/08/1985 null 253011 Robert A Skinner Filtration Plant Inyo 9 Dredge/Fill Site Owner 06/17/2005 null 241957 MWD Iron Mtn Pump PLT 97-50016 San Bernardino 7 Facility Owner 02/18/1997 null 240478 Metropolitan Water District of Southern California Aquatic Pesticides - Weeds Riverside 9 Waterway/Shoreline Site Owner 07/19/2001 null 232651 Iron Mtn Pumping Pt WMF 98-007 San Bernardino 7 Facility Owner 12/08/1997 null 232650 Iron Mtn Pumping PLT San Bernardino 7 Service/Commercial Site, NEC Owner 10/23/2000 null 231084 Hydro Power Plant, Perris Riverside 8 Facility Owner 03/14/1986 null 231083 Hydro Power Plant, Coyote Ck Orange 8 Facility Owner 07/08/1985 null 229285 Greg Avenue Hydroelectric Power Plant Los Angeles 4 Power Plant Owner 07/10/1994 null 227702 Grading Act (CRA) Whitewater Riverside 7 Dredge/Fill Site Owner 05/22/2001 null 227061 Geotechnical Exploration Activ null 7 Dredge/Fill Site Owner 07/03/2003 null 226913 Gene Wash Landing Strip Ext. San Bernardino 7 Dredge/Fill Site Owner 02/14/2003 null 226912 Gene Pumping Plant 93-60048 San Bernardino 7 Service/Commercial Site, NEC Owner 10/23/2000 null 226911 Gene Pumping Plant San Bernardino 7 Facility Owner 03/19/1998 null 226105 Foothill Feeder Power Plant Los Angeles 4 Power Plant Owner 07/08/1985 null 222106 Eastside Reservoir Proj Dewatr Riverside 9 Facility Owner 08/03/1998 null 220174 Diamond Vly LKE Reg AQTC Cmplx Riverside 8 Facility Owner 02/18/2005 null 220172 Diamond Valley Lake Recreation Riverside 8 Facility Owner 08/02/2004 null 220171 Diamond Valley Lake Museum Riverside 8 Facility Owner 02/11/2003 null 220139 Diam Vlly Lake East Rough Grad Riverside 8 Facility Owner 09/08/2004 null 219931 Dewatering,Inland Feeder San Bernardino 8 Facility Owner 11/18/1998 null 219881 Dewatering,MWD Diemer WTP Orange 8 Utility Structure Owner 08/24/1998 null 213498 Castle Mountain Project San Bernardino 7 Metal Mining None null null 206121 Aquatic Pesticides - Weeds Riverside 8 Waterway/Shoreline Site Owner 07/16/2004 null 202822 401 Cert-Lake Mathews Underdr Riverside 8 Dredge/Fill Site Owner 12/27/1999 null 202820 401 Cert-Lake Mathews Tower Riverside 8 Dredge/Fill Site Owner 04/09/1999 null 202819 401 Cert-Lake Mathews Seep REC Riverside 8 Dredge/Fill Site Owner 12/22/1999 null 202794 401 Cert-Inland Feeder,San Tim San Bernardino 8 Dredge/Fill Site Owner 03/13/2000 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 599132 Vikki Bradshaw Person Legally Responsible Official 06/19/2019 null null 595828 Malinda Stalvey Person Legally Responsible Official 03/19/2019 null null 594263 Kushan Kuru Person Legally Responsible Official 01/25/2019 null null 560558 Jennifer Harriger Person Employee 11/21/2016 null null 560558 Jennifer Harriger Person Legally Responsible Official 11/20/2016 null null 534987 Jeff Ford Person Legally Responsible Official 07/10/2012 null null 534722 Laura Simonek Person Employee 07/02/2012 null null 534722 Laura Simonek Person Legally Responsible Official 07/01/2012 null null 532896 Jay Raymond Person Legally Responsible Official 04/30/2012 null null 532896 Jay Raymond Person Employee 04/10/2012 null null 530359 Deirdre West Person Legally Responsible Official 12/01/2011 null null 529315 John Shamma Person Legally Responsible Official 09/29/2011 null null 528547 Delaine Shane Person Legally Responsible Official 08/18/2011 null null 511295 Tanya Ratanasirimongkol Person Employee 07/21/2020 null null 352740 Wendy Picht Person Employee 11/27/2006 null null 352739 Raymond Jay Person Employee 11/13/2006 null null 318345 John Clark Person Legally Responsible Official 03/10/2006 null null 315409 Francisco Becerra Person Facility Contact 05/09/2006 null null 314887 Jon Swidler Person Data Submitter 05/04/2006 08/09/2017 null 314651 Daniel Guillory Person Legally Responsible Official 05/03/2006 null null 312334 Joyce Clark Person Employee 04/19/2006 null null 141703 Mila Kleinbergs Person Employee 02/18/1997 null null 112958 Jon Swidler Person Facility Contact 09/24/1979 null null 104606 George Muse Person Legally Responsible Official 06/17/2005 null 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 455101 Enrollee - 401 Certification 4 4WQC40123181 DRAFT Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2018-0029-EXEC null 01/25/2024 Discharger 11/28/2023 null 454792 Enrollee - 401 Certification 7 7A333268001 Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2018-0029-EXEC 10/23/2023 12/21/2023 Discharger 10/19/2023 null 454687 Enrollee - 401 Certification 8 63-332023-19 Enrollee under for Metropolitan Water District of Southern California Historical CERFILLEXC 2018-0029-EXEC 07/06/2023 10/05/2023 Discharger 10/10/2023 null 444972 Enrollee - 401 Certification 8 63-332021-03 Enrollee under for Metropolitan Water District of Southern California Historical CERFILLEXC RGP 63 09/08/2021 10/29/2021 Discharger 09/15/2021 null 442862 Enrollee - 401 Certification 7 7A333230001 Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2004-0004-DWQ 06/17/2021 10/28/2021 Discharger 04/08/2021 null 442861 Enrollee - 401 Certification 7 7A333229001 Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2004-0004-DWQ 06/17/2021 10/28/2021 Discharger 04/08/2021 null 442860 Enrollee - 401 Certification 7 7A333228001 Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2004-0004-DWQ 06/17/2021 10/28/2021 Discharger 04/08/2021 null 441017 Enrollee - 401 Certification 9 9000003654 Enrollee - 401 Certification for Metropolitan Water District of Southern California Historical CERFILLEXC 2018-0029-EXEC 10/26/2020 01/20/2021 Discharger 10/26/2020 null 440719 Enrollee - 401 Certification 7 7A333222001 401 Cert for Metropolitan Water District of Southern California Historical CERFILLEXC null 10/21/2020 12/16/2020 Discharger 10/07/2020 null 431567 Enrollee - 401 Certification 5S 5A34CR00770 Enrollee - 401 Certification for Metropolitan Water District of Southern California - Twitchell Island Native Vegetation Removal for Floating Peat Pilot Project Historical CERFILLEXC SB17001GN 07/05/2019 06/01/2020 Discharger 06/19/2019 null 429467 Enrollee - 401 Certification 8 63-332019-05 Enrollee under for Metropolitan Water District of Southern California Active CERFILLEXC RGP 63 03/12/2019 null Discharger 03/19/2019 null 428444 Enrollee - NPDES 8 8 332889001 Enrollee - NPDES under General De Minimis Permit for Metropolitan Water District of Southern California Historical NPDNONMUNIPRCS R8-2015-0004 06/12/2019 07/01/2020 Discharger 01/25/2019 null 414980 Enrollee - NPDES 4 4DW0654 Enrollee R4-R7-R8-R9 NPDES 2014-0194-DWQ Metropolitan Water District of SoCal (Wholesaler) Drinking Water System Discharges Active NPDMUNIOTH 2014-0194-DWQ 07/01/2016 null Discharger 07/01/2016 null 413102 401 Certification 8 302017-04 401 Cert for Metropolitan Water District of Southern California Active CERFILLEXC null 02/09/2018 null Discharger 05/08/2017 null 411791 Enrollee - 401 Certification 8 63-362017-05 Enrollee under for Metropolitan Water District of Southern California Historical CERFILLEXC RGP 63 02/09/2017 05/01/2017 Discharger 02/13/2017 null 410281 401 Certification 8 302016-23 401 Cert for Metropolitan Water District of Southern California Active CERFILLEXC null 04/26/2021 null Discharger 11/21/2016 null 404012 401 Certification 7 7A333152001 401 Cert for Metropolitan Water District of Southern California Active CERDREDGE null 04/14/2016 null Discharger 12/18/2015 null 399611 401 Certification 8 332014-28 401 Cert for Metropolitan Water District of Southern California Historical CERFILLEXC null 03/16/2015 03/10/2017 Discharger 01/26/2015 null 398603 Enrollee - NPDES 4 4 19AP00003 Enrollee 2011-0003-DWQ for METROPOLITAN WATER DISTRICT OF SOUTHERN CALIFORNIA-AQ ANIMAL (Region 4) Historical NPDNONMUNIPRCS 2011-0003-DWQ 12/04/2014 02/29/2016 Discharger 12/04/2014 null 397440 401 Certification 8 332014-15 401 Cert for Metropolitan Water District of Southern California Historical CERFILLEXC null 08/21/2015 01/30/2023 Discharger 07/24/2014 null 396776 Enrollee 8 8 19AP00001 Enrollee 2013-0002-DWQ for Metropolitan WD of SoCal-AQ Pesticides (Region 8) Historical NPDNONMUNIPRCS 2013-0002-DWQ 02/25/2014 11/14/2016 Discharger 02/25/2014 null 395419 401 Certification 8 null WQC 02/03/2014 for Metropolitan Water District of Southern California Historical CERFILLEXC null 02/03/2014 02/02/2019 Discharger 03/20/2014 null 393670 401 Certification 4 null WQC 10/17/2013 for Metropolitan Water District of Southern California Historical CERFILLEXC null 10/17/2013 10/17/2018 Discharger 10/22/2013 null 387261 Enrollee 7 7A330143001 Enrollee 9710DWQ04 for Metropolitan Water District Active WDRMUNIENROTH 97-010-DWQ 01/04/2013 null Discharger 08/24/2012 null 387252 Enrollee 7 7A330142001 Enrollee 9710DWQ05 for Metropolitan Water District Active WDRMUNIENROTH 97-010-DWQ 01/04/2013 null Discharger 08/24/2012 null 387238 Enrollee 7 7B360114001 Enrollee 9710DWQ06 for Metropolitan Water District Active WDRMUNIENROTH 97-010-DWQ 01/04/2013 null Discharger 08/24/2012 null 386744 401 Certification 8 null 401 Cert LTR 01/12/2004 for Metropolitan Water District of Southern California Historical CERFILLEXC null 01/12/2004 null Discharger 07/31/2012 null 386453 401 Certification 8 null 401 Cert LTR 09/17/2009 for Metropolitan Water District of Southern California Historical CERFILLEXC null 09/17/2009 09/17/2014 Discharger 07/23/2012 null 386042 401 Certification 8 null 401 Cert LTR 06/24/2004 for Metropolitan Water District of Southern California Historical CERFILLEXC null 06/24/2004 null Discharger 07/10/2012 null 386032 401 Certification 8 null 401 Cert LTR 04/16/2004 for Metropolitan Water District of Southern California Historical CERFILLEXC null 04/16/2004 null Discharger 07/10/2012 null 385796 401 Certification 8 null 401 Cert LTR 10/05/2006 for Metropolitan Water District of Southern California Historical CERFILLEXC null 10/05/2006 null Discharger 07/02/2012 null 384810 401 Certification 8 null 401 Cert LTR 07/04/2008 for Metropolitan Water District of Southern California Historical CERFILLEXC null 07/07/2008 null Discharger 04/30/2012 null 381597 401 Certification 8 null WQC 10/19/2010 for Metropolitan Water District of Southern California Historical CERFILLEXC null 10/19/2010 10/19/2015 Discharger 09/29/2011 null 380898 401 Certification 8 null 401 Certification 09/17/2009 for Metropolitan Water District of Southern California Historical CERFILLEXC null 09/17/2009 09/17/2014 Discharger 08/18/2011 null 379655 Enrollee 7 7A336666058 Enrollee 93-60058 for Metropolitan Water District Active WDRMUNIOWTS 93-600 07/18/2012 null Discharger 05/27/2011 null 376348 WDR 7 7A360312011 Rescission Order R7-2010-0045 for Multiple Orders Historical LNDISP R7-2010-0045 09/16/2010 09/16/2010 Discharger 09/16/2010 null 375889 WDR 8 8 332824001 WDR R8-2010-0052 for MWD of SC, Box Springs Feeder Repair Historical CERFILLEXC R8-2010-0052 09/16/2010 07/15/2011 Discharger 09/16/2010 null 373417 Letter 4 4B198100009 Compliance with MRP of Individual and Gen NPDES permit Historical NPDESWW R4-2009-0047 01/10/2008 01/11/2008 Discharger 12/14/2007 null 352826 Enrollee 7 7A336666054 Enrollee 93-60054 for Metropolitan Water Dist Active WDRMUNIOWTS 93-600 09/15/2008 null Discharger 09/29/2008 null 327111 Enrollee - NPDES 4 4A197500284 Enrollee - NPDES Gen Permit for GW from Const & Project Dewat for MWD of Southern California Active NPDNONMUNIPRCS R4-2018-0125 02/13/2008 null Discharger 02/13/2008 null 326763 Enrollee 4 4B198100009 Enrollee (CI 6742) -Non Process WW to Surface Waters, MWD of Southern California Historical NPDNONMUNIPRCS R4-2009-0047 12/14/2007 11/08/2011 Discharger 12/14/2007 null 321649 401 Certification 7 7A333048001 7A333048001 Historical CERFILLEXC null 12/01/2005 null Discharger 03/01/2007 null 321642 401 Certification 7 7A333043001 7A333043001 Historical CERFILLEXC null 07/26/2005 null Discharger 03/01/2007 null 315542 401 Certification 9 9000001567 401Cert for Rainbow Creek Road Repair Project Historical CERFILLEXC null null null Discharger 11/13/2006 null 310263 NPDES Permit 4 4A190115006 NPDES R4-2005-0026 for METROPOLITAN WATER DIST OF SOUTHERN CALIFORNIA Historical NPDESWW R4-2005-0026 06/04/2005 03/05/2007 Discharger 05/05/2005 null 303417 Enrollee 9 null Enrollee NPDES R9-2010-0003 MWD So Cal Hydro & Potable Water Dischs Historical NPDNONMUNIPRCS R9-2010-0003 03/10/2006 06/30/2016 Discharger 03/10/2006 null 298652 Enrollee 4 4A197500104 Enrollee- GW from const & dewat for Metropolitan Water District SC Historical NPDNONMUNIPRCS R4-2003-0111 02/16/2006 04/20/2009 Discharger 05/09/2006 null 260355 Letter 8 null 8 303211001-LT990720 Historical WDR LT990720 null 07/20/1999 Discharger 07/20/1999 null 260232 Letter 8 null 8 303089001-LT971021 Historical WDR LT971021 null 10/21/1997 Discharger 10/21/1997 null 259546 Letter 8 null 8 332510001-LT981005 Historical WDR LT981005 null 10/05/1998 Discharger 10/05/1998 null 259310 Letter 8 null 8 362502001-LT980112 Historical WDR LT980112 null 01/12/1998 Discharger 01/12/1998 null 259282 Letter 8 null 8 332554001-LT990330 Historical WDR LT990330 null 03/30/1999 Discharger 03/30/1999 null 259276 Letter 8 null 8 332543001-LT990507 Historical WDR LT990507 null 05/07/1999 Discharger 05/07/1999 null 259269 Letter 8 null 8 332532001-LT990203 Historical WDR LT990203 null 02/03/1999 Discharger 02/03/1999 null 259268 Letter 8 null 8 332531001-LT990125 Historical WDR LT990125 null 01/25/1999 Discharger 01/25/1999 null 259205 Letter 8 null 8 332443001-LT970123 Historical WDR LT970123 null 01/23/1997 Discharger 01/23/1997 null 259152 Letter 8 null 8 332483001-LT980204 Historical WDR LT980204 null 02/04/1998 Discharger 02/04/1998 null 259145 Letter 8 null 8 332471001-LT971215 Historical WDR LT971215 null 12/15/1997 Discharger 12/15/1997 null 246840 Enrollee 9 9 000000001 Enrollee R9-2002-0330, Skinner Filtration Plant WMU Historical LNDISP null 10/11/2002 null Discharger 10/11/2002 null 214136 Enrollee - NPDES 8 9 000001072 Enrollee 2013-0002-DWQ for Metropolitan WD of So CA-AQ PESTICIDES (Regions 8 & 9) Active NPDNONMUNIPRCS 2013-0002-DWQ 02/25/2014 null Discharger 02/25/2014 null 214013 Enrollee 9 9 000000867 9 000000867 Historical NPDNONMUNIPRCS 96-041 11/09/1998 06/12/2001 Discharger 09/01/2005 null 211465 Enrollee 8 8 33J300583 8 33J300583 Historical CONSTW R8-2001-0034 01/19/2001 null Discharger 09/01/2005 null 211435 Enrollee 8 8 33J300518 8 33J300518 Historical CONSTW R8-2001-0034 01/19/2001 null Discharger 09/01/2005 null 211412 Enrollee 8 8 33J300490 8 33J300490 Historical CONSTW R8-2001-0034 01/19/2001 null Discharger 09/01/2005 null 211407 Enrollee 8 8 33J300480 8 33J300480 Historical CONSTW R8-2001-0034 01/19/2001 null Discharger 09/01/2005 null 211169 Enrollee 8 8 33J300194 8 33J300194 Historical CONSTW R8-2001-0034 03/10/2003 null Discharger 09/01/2005 null 209313 Enrollee 8 8 332705001 Enrollee Under General Aquatic Pesticides-Weed for MWD of Southern California Historical NPDNONMUNIPRCS 2004-0009-DWQ 10/19/2001 11/30/2013 Discharger 09/01/2005 null 205886 Enrollee - NPDES 8 8 300142001 Enrollee Under General DeMinimis Permit for MWD of So. Cal Active NPDNONMUNIPRCS R8-2020-0006 03/09/1984 null Discharger 09/01/2005 null 205881 Enrollee 7 7B366666048 7B366666048 Active WDRMUNIOWTS 93-600 10/23/2000 null Discharger 09/01/2005 null 205880 Enrollee 7 7B366666047 Enrollee 93-60047 for Metropolitan Water District Active WDRMUNIOWTS 93-600 10/27/2000 null Discharger 09/01/2005 null 205863 Enrollee 7 7B360130002 Enrollee 97-50095 for Metropolitan Water District of Southern California Active WDRMUNIOWTS 97-500 05/16/1984 null Discharger 09/01/2005 null 205793 Enrollee 7 7A361041001 7A361041001 Active WDRMUNIOWTS 97-500 06/11/1997 null Discharger 09/01/2005 null 193904 Enrollee 4 4B196400035 Enrollee (CI 7589) -Metropolitan Water District of Southern California Historical NPDNONMUNIPRCS R4-2009-0047 06/30/1998 03/28/2013 Discharger 09/01/2005 null 193898 Enrollee 4 4B196400029 Enrollee (CI 7588)-Nonprocess WW to Surface Waters for MWD of So. Cal Historical NPDNONMUNIPRCS R4-2009-0047 06/05/1998 12/16/2010 Discharger 09/01/2005 null 193602 Enrollee 4 4B196100028 4B196100028 Historical NPDNONMUNIPRCS 97-043 11/23/1998 01/05/2000 Discharger 09/01/2005 null 177905 401 Certification 9 9 000001398 9 000001398 Historical CERFILLEXC null null null Discharger 06/17/2005 null 171266 401 Certification 7 7B363003001 7B363003001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 167517 401 Certification 7 7A33015001 7A333015001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 163939 401 Certification 8 8 362618001 8 362618001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 162147 401 Certification 8 8 332585001 8 332585001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 160013 401 Certification 8 8 332606001 8 332606001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 159799 401 Certification 8 8 332602001 8 332602001 Historical CERFILLEXC null null null Discharger 06/17/2005 null 151976 401 Certification 9 9 000001393 9 000001393 Historical CERFILLEXC 04C-006 null null Discharger 06/17/2005 null 148299 NPDES Permit 8 8 300137001 NPDES R8-2001-0023 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW R8-2001-0023 06/01/2001 08/25/2006 Discharger 06/01/2001 null 147414 NPDES Permit 4 4B190115004 NPDES 99-102 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 99-102 10/28/1999 08/28/2002 Discharger 10/28/1999 null 144359 NPDES Permit 8 8 362542001 NPDES 99-021 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 99-021 04/09/1999 06/03/2004 Discharger 04/09/1999 null 141987 NPDES Permit 8 8 302515001 NPDES 95-066 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 95-066 12/01/1995 null Discharger 12/01/1995 null 141842 WDR 9 9 000000001 Order 79-024, WDRs for Skinner Filtration Plant Inert Wastes Historical LNDISP R9-1979-024 03/26/1979 09/08/2010 Discharger 03/09/1995 null 141197 NPDES Permit 8 8 302515001 NPDES 97-06607 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 97-06607 09/12/1997 null Discharger 09/12/1997 null 140560 NPDES Permit 8 8 300137001 NPDES 96-023 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 96-023 03/08/1996 05/31/2001 Discharger 03/08/1996 null 140481 WDR 8 8 330106001 WDR 89-16406 for MWD OF SOUTHERN CALIFORNIA Historical WDR 89-16406 12/08/1989 null Discharger 12/08/1989 null 139679 NPDES Permit 8 8 300137001 NPDES 89-118 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 89-118 09/08/1989 null Discharger 09/08/1989 null 139678 NPDES Permit 8 8 300142001 NPDES 89-117 for MWD OF SOUTHERN CALIFORNIA Historical NPDNONMUNIPRCS 89-117 09/08/1989 null Discharger 09/08/1989 null 139442 WDR 8 8 332222001 NPDES 89-03842 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 89-03842 07/14/1989 null Discharger 07/14/1989 null 139213 WDR 8 8 332222001 NPDES 86-021 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 86-021 03/14/1986 null Discharger 03/14/1986 null 139108 NPDES Permit 8 8 300137001 NPDES 84-029 for MWD OF SOUTHERN CALIFORNIA Historical NPDESWW 84-029 04/13/1984 null Discharger 04/13/1984 null 139100 NPDES Permit 8 8 300142001 NPDES 84-020 for MWD OF SOUTHERN CALIFORNIA Historical NPDNONMUNIPRCS 84-020 03/09/1984 null Discharger 03/09/1984 null 137140 WDR 8 8 330106001 WDR 79-095 for MWD OF SOUTHERN CALIFORNIA Historical WDR 79-095 06/29/1979 null Discharger 06/29/1979 null 136761 NPDES Permit 4 4B190115005 NPDES 97-051 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 97-051 05/12/1997 05/04/2005 Discharger 05/12/1997 null 136572 WDR 7 7B360130002 WDR 98-03218 for METROPOLITAN WATER DISTRICT Historical WDRMUNIOTH 98-03218 05/14/1998 null Discharger 05/14/1998 null 136530 NPDES Permit 4 4A190115006 NPDES 98-066 for METROPOLITAN WATER DIST OF SOUTHERN CALIFORNIA Historical NPDESWW 98-066 09/14/1998 05/04/2005 Discharger 09/14/1998 null 136342 WDR 7 7A360312011 WDR 98-007 for METROPOLITAN WATER DISTRICT Historical LNDISP 98-007 03/12/1998 09/16/2010 Discharger 03/12/1998 null 135875 WDR 7 7B360130002 WDR 94-080 for METROPOLITAN WATER DISTRICT Historical WDRMUNIOTH 94-080 09/13/1994 05/14/1998 Discharger 09/13/1994 null 135797 WDR 7 7A360312011 WDR 88-035 for METROPOLITAN WATER DISTRICT Historical LNDISP 88-035 03/23/1988 03/12/1998 Discharger 03/23/1988 null 135717 NPDES Permit 4 4B190115008 NPDES 95-119 for Metropolitan Water District of Southern California Historical NPDESWW 95-119 09/18/1995 09/13/1998 Discharger 09/18/1995 null 135716 NPDES Permit 4 4B190115007 NPDES 95-118 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 95-118 09/18/1995 06/28/1998 Discharger 09/18/1995 null 135278 NPDES Permit 4 4A190115006 NPDES 86-070 for METROPOLITAN WATER DIST OF SOUTHERN CALIFORNIA Historical NPDESWW 86-070 09/22/1986 11/01/1993 Discharger 09/22/1986 null 135277 NPDES Permit 4 4B190115005 NPDES 86-069 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 86-069 09/22/1986 05/21/1990 Discharger 09/22/1986 null 134980 WDR 7 7B360130002 WDR 84-059 for METROPOLITAN WATER DISTRICT Historical WDRMUNIOTH 84-059 05/16/1984 09/13/1994 Discharger 05/16/1984 null 134962 NPDES Permit 4 4A190115006 NPDES 93-065 for METROPOLITAN WATER DIST OF SOUTHERN CALIFORNIA Historical NPDESWW 93-065 11/01/1993 09/14/1998 Discharger 11/01/1993 null 134961 NPDES Permit 4 4B190115004 NPDES 93-064 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 93-064 11/01/1993 10/27/1999 Discharger 11/01/1993 null 134558 WDR 7 7A360312011 WDR 78-089 for METROPOLITAN WATER DISTRICT Historical LNDISP 78-089 11/15/1978 03/23/1988 Discharger 11/15/1978 null 134522 NPDES Permit 4 4B190115005 NPDES 90-058 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 90-058 05/21/1990 05/12/1997 Discharger 05/21/1990 null 134374 NPDES Permit 4 4B190115004 NPDES 84-103 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 84-103 11/19/1984 11/01/1993 Discharger 11/19/1984 null 134118 NPDES Permit 4 4B190115004 NPDES 79-149 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 79-149 09/24/1979 11/19/1984 Discharger 09/24/1979 null 133604 NPDES Permit 8 8 362542001 NPDES 04-048 for MWD OF SOUTHERN CALIFORNIA Historical NPDNONMUNIPRCS R8-2004-0048 06/04/2004 08/28/2009 Discharger 06/04/2004 null 133372 NPDES Permit 4 4B190115005 NPDES R4-2005-0027 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW R4-2005-0027 05/05/2005 03/06/2008 Discharger 05/05/2005 null 131720 NPDES Permit 4 4B190115004 NPDES 02-13703 for METROPOLITAN WATER DIST. OF SC Historical NPDESWW 02-13703 08/29/2002 08/30/2002 Discharger 08/29/2002 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 443826 Admin Civil Liability R4-2021-0059 ACL R4-2021-0059 for Metropolitan Water District of Southern California NPDNONMUNIPRCS 06/28/2021 Historical 402589 Admin Civil Liability R4-2015-0152 ACL R4-2015-0152 for Metropolitan Water District of Southern California NPDNONMUNIPRCS 10/30/2015 Historical 381626 Staff Enforcement Letter null SEL 06/02/2009 for Metropolitan Water District of Southern California WDR 06/02/2009 Historical 380830 Admin Civil Liability R4-2011-0135-M EPL R4-2011-0135-M for Metropolitan Water District of So. Cal. sent 08/12/11 NPDNONMUNIPRCS 08/12/2011 Historical 373942 Notice of Violation null NOV 04/13/2010 for Metropolitan Water District of Southern California LNDISP 04/13/2010 Historical 360399 Admin Civil Liability R8-2008-0089 ACL R8-2008-0089 for MWD of Southern Calif. - Diemer NPDESWW 10/24/2008 Historical 357224 Admin Civil Liability SWB-2008-4-0005 Expedited Payment Letter for Metropolitan Water District of Southern California NPDESWW 07/15/2009 Historical 356912 Admin Civil Liability R4-2008-0140-M Expedited Payment Letter sent 12/2/08 for 1 effluent violation. NPDNONMUNIPRCS 12/02/2008 Historical 346213 Notice of Violation NOV (Revised) NOV (Revised) sent 5/5/08 for 4 late reports & 9 effluent violations. NPDESWW 05/05/2008 Historical 341821 Notice of Violation NOV NOV sent 2/4/08 for effluent violations & reporting violations. NPDESWW 02/04/2008 Historical 321904 Staff Enforcement Letter null SEL 01/23/07 for Metropolitan WD WDR 01/23/2007 Historical 311200 Notice of Violation null NOV 12/30/2003 DISCHLND 12/30/2005 Historical 296559 Notice to Comply null Enforcement - 7B366666047 WDR 01/24/2006 Historical 296558 Notice to Comply null Enforcement - 7B366666048 WDR 01/24/2006 Historical 254784 Staff Enforcement Letter UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 12/22/2004 Historical 251181 Notice to Comply UNKNOWN Enforcement - 7A361041001 WDRMUNIOTH 02/19/2004 Active 251131 Notice to Comply UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 02/04/2004 Active 250541 Notice to Comply UNKNOWN Enforcement - 7A361041001 WDRMUNIOTH 12/11/2003 Active 247311 Clean-up and Abatement Order R7-2002-0206-025 Enforcement - 7A360312011 LNDISP 10/09/2002 Active 245679 Notice to Comply UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 01/08/2003 Historical 244548 Notice to Comply UNKNOWN Enforcement - 7A361041001 WDRMUNIOTH 01/15/2003 Historical 239450 Notice to Comply UNKNOWN Enforcement - 7A361041001 WDRMUNIOTH 01/22/2002 Historical 239383 Notice to Comply UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 01/24/2002 Historical 236139 Staff Enforcement Letter UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 06/28/2001 Historical 233013 Clean-up and Abatement Order R8-1999-0061 Enforcement - 8 362542001 NPDESWW 07/07/1999 Historical 231744 Staff Enforcement Letter UNKNOWN Enforcement - 7B360130002 WDRMUNIOTH 01/20/2000 Historical 223731 Admin Civil Liability 89-196 ACLC 89-196 for MWD - Diemer NPDESWW 12/22/1989 Historical 221949 Clean-up and Abatement Order 99-061 CAO 99-61 for MWD of Southern California NPDESWW 07/08/1999 Historical 220591 Admin Civil Liability R4-1990-0123 ACLC R4-1990-0123 MWD of Southern California, Weymouth Softening&Filtration NPDESWW 12/03/1990 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 442861 Jennifer Harriger Enrollee - 401 Certification CERFILLEXC 06/17/2021 Historical 442861 Jennifer Harriger Enrollee - 401 Certification CERFILLEXC 06/17/2021 Historical 414980 Joyce Clark Enrollee - NPDES NPDMUNIOTH 07/01/2016 Active 327111 Joyce Clark Enrollee - NPDES NPDNONMUNIPRCS 02/13/2008 Active 315542 Wendy Picht 401 Certification CERFILLEXC null Historical 315542 Raymond Jay 401 Certification CERFILLEXC null Historical 205886 Tanya Ratanasirimongkol Enrollee - NPDES NPDNONMUNIPRCS 03/09/1984 Active