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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
S250119 Metropolitan Water District of Southern California Special District PO Box 54153 Los Angeles, CA 90054 N/A N/A
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S941319 Weymouth WQL Draft Los Angeles 4 Facility Discharger 03/05/2026 None
S941062 DELETE - LINER PROJECT Los Angeles 4 Facility Discharger 02/24/2026 None
S941056 Sepulveda Canyon Pump Station Los Angeles 4 Facility Discharger 11/10/2025 None
S940795 Garvey Reservoir Rehabilitation Stage 1 Los Angeles 4 Facility Discharger 02/12/2026 None
S940175 Hinds Pump Plant Utility Replacement Riverside 7 Facility Discharger 01/20/2026 None
S940174 Eagle Mt Pump Plant Utility Replacement Riverside 7 Facility Discharger 01/20/2026 None
S939633 Copper Basin Draft San Bernardino 7 Facility Discharger 12/29/2025 None
S938550 Mills WTP Fiber Conduits Riverside 8 Facility Discharger 11/10/2025 None
S935745 Wadsworth Pumping Plant Eastside Pipeline Intertie Riverside 9 Facility Discharger 08/27/2025 None
S933143 Wheeler Gate Draft Los Angeles 4 Facility Discharger 07/09/2025 None
S928823 Lake Skinner Dam Perimeter Drainage Riverside 9 Facility Discharger 02/14/2025 None
S919491 San Diego Canal Rehabilitation Phase 2 Riverside 8 Facility Discharger 02/08/2024 None
S919062 Badlands Tunnel Surge Protection Facility Riverside 8 Facility Discharger 01/23/2024 None
S917836 Inland Feeder Rialto Pipeline Intertie San Bernardino 8 Facility Discharger 11/28/2023 None
S917819 Eagle Mt Pumping Plant Storage Building Riverside 7 Facility Discharger 11/28/2023 None
S917813 Julian Hinds Pumping Plant Storage Building Riverside 7 Facility Discharger 11/28/2023 None
S917461 Iron Mountain Pump Plant Storage Building San Bernardino 7 Facility Discharger 11/07/2023 None
S917100 PRACTICE APPLICATION Riverside 8 Facility Discharger 10/23/2023 None
S916801 CRA Whitewater Siphon Restoration Riverside 7 Facility Discharger 10/09/2023 None
S914310 CRA Conduit Structural Protection Riverside 7 Facility Discharger 07/13/2023 None
S912837 Second Lower Feeder PCCP Rehab Reach 3B Los Angeles 4 Facility Discharger 05/11/2023 None
S912240 Perris Valley Pipeline Interstate 215 Crossing Riverside 8 Facility Discharger 04/18/2023 None
S911423 Wadsworth Pumping Plant Eastside Pipeline Intertie Riverside 9 Facility Discharger 03/13/2023 None
S907719 Second Lower Feeder PCCP Rehab Reach 3A Los Angeles 4 Facility Discharger 09/26/2022 None
S903560 RWIPP San Bernardino County Region Pipelines Stage 1 San Bernardino 8 Facility Discharger 04/06/2022 None
S903467 Mills Electrical Upgrades Stage 2 Riverside 8 Facility Discharger 03/28/2022 None
S902880 Lake Mathews Wastewater System Replacement Riverside 8 Facility Discharger 03/10/2022 None
S902530 Casa Loma Siphon Barrel No 1 Riverside 8 Facility Discharger 02/28/2022 None
S896597 Lake Mathews PCCP Rehab Valve Storage Riverside 8 Facility Discharger 07/27/2021 None
S889818 Garvey Reservoir Drainage and Erosion Improvements Areas 6 7 8 10 and 11 Los Angeles 4 Facility Discharger 01/19/2021 None
S884956 Orange County Region Pipeline ROW Infrastructure Protection Program Orange 8 Facility Discharger 08/14/2020 None
S881908 Gene Wash Reservoir Discharge Valve Replacement San Bernardino 7 Facility Discharger 04/15/2020 None
S877592 Whitewater Siphon Riverside 7 Facility Discharger 10/12/2015 None
S876002 Jensen WTP Electrical Upgrades Stage 2 Los Angeles 4 Facility Discharger 08/11/2016 None
S875865 Jensen WTP Modules 2 and 3 Flocculator Rehabilitation Los Angeles 4 Facility Discharger 09/16/2019 None
S873812 Second Lower Feeder Reach 2 Los Angeles 4 Facility Discharger 06/25/2019 None
S869979 Second Lower Feeder Reach 4 Los Angeles 4 Facility Discharger 02/01/2019 None
S863978 Diemer OC Regional Service Center Orange 8 Facility Discharger 05/09/2018 None
S853169 Palos Verdes Reservoir Cover and Liner Replacement Los Angeles 4 Facility Discharger 02/10/2017 None
S850521 Jensen Water Treatment Plant Solar Power Facility Los Angeles 4 Facility Discharger 10/12/2016 None
S849546 Diamond Valley Lake East Dam Electrical Upgrades Riverside 9 Facility Discharger 09/02/2016 None
S843695 CRA Sandtrap Equipment Replacement Iron Mountain San Bernardino 7 Facility Discharger 01/06/2016 None
S843648 CRA Sandtrap Equipment Replacemet Hinds Pumping Plant Riverside 7 Facility Discharger 01/04/2016 None
S843132 CRA Sand Trap Replacement Eagle Mountain Riverside 7 Facility Discharger 12/03/2015 None
S841876 Santa Ana River Crossing Seismic Upgrade Riverside 8 Facility Discharger 10/12/2015 None
S841874 FE Weymouth WTP Chemical Upgrades Los Angeles 4 Facility Discharger 10/12/2015 None
S837547 Weymouth WTP Solar Power Facilities Los Angeles 4 Facility Discharger 06/25/2015 None
S835587 Eagle Mountain Pumping Plan Riverside 7 Facility Discharger 05/22/2015 None
S835454 Julian Hinds Pumping Plant Riverside 7 Facility Discharger 04/23/2015 None
S834745 LADWP Lagoon Refurbishment Los Angeles 4 Facility Discharger 04/08/2015 None
S833360 Gene Pumping Plant Storage Building Replacement San Bernardino 7 Facility Discharger 01/13/2015 None
S831541 Joseph Jensen WTT Solids Transfer System Los Angeles 4 Facility Discharger 09/15/2014 None
S829800 Inland Feeder & Lakeview Pipeline Intertie Riverside 8 Facility Discharger 06/09/2014 None
S829315 Chemical Unloading Facility CUF Riverside 8 Facility Discharger 05/08/2014 None
S818229 Weymouth Water Treatment ORP Los Angeles 4 Facility Discharger 07/19/2012 None
S817585 La Verne Maintenance Shops Upgrade stage 4 Los Angeles 4 Facility Discharger 06/18/2012 None
S809686 La Verne Maintenance Shops Upgrade phase 1 Los Angeles 4 Facility Discharger 05/06/2011 None
S807265 Allen McColloch Pipeline Repair Stage 2 Orange 8 Facility Discharger 01/06/2011 None
S800394 Robert B Diemer Water Treatment Plant North Access Road Orange 8 Facility Discharger 10/20/2009 None
S800016 MWD Weymouth Inlet Conduit Replacement Los Angeles 4 Facility Discharger 09/22/2009 None
S716880 Diamond Valley Lake Fence Riverside 8 Facility Discharger 05/02/2008 None
S650305 FE Weymouth Treatment Plant Operations & Maintenance Los Angeles 4 Facility Discharger 05/09/2007 None
S645204 Rialto Pipeline Improvements San Bernardino 8 Facility Discharger 01/08/2007 None
S643156 FE Weymouth Water Treatment Plant Los Angeles 4 Facility Discharger 11/17/2006 None
S642037 Gene Air Strip Extension San Bernardino 7 Facility Discharger 10/10/2006 None
S640764 Gene Air Strip Extention San Bernardino 6B Facility Discharger 09/13/2006 None
S640202 Mentone Senior Center & Library San Bernardino 8 Facility Discharger 08/31/2006 None
S631345 Perris Valley Pipeline Cactus Ave Feeder Riverside 8 Facility Discharger 04/04/2006 None
S624747 West Valley HS Borrow Riverside 8 Facility Discharger 01/18/1994 None
S624741 Patterson Ave Cawston Ave Riverside 8 Facility Discharger 02/02/1994 None
S624722 1820 Commercenter Cir Riverside 8 Facility Discharger 03/09/1994 None
S624470 Calalco Creek Dam & Sed Riverside 8 Facility Discharger 12/20/1999 None
S622772 San Diego Pipline 6 Riverside 9 Facility Discharger 09/19/2005 None
S622603 Diamond Valley Lake Regional Aquatic Complex & Park Riverside 8 Facility Discharger 11/07/2005 None
S622530 Mills WTP Yard Piping Riverside 8 Facility Discharger 11/29/2005 None
S622263 Water Life Museum Searl Pkwy & Marina Rd Riverside 8 Facility Discharger 01/03/2006 None
S622262 Diamond Valley Lake East Recreation Phase 2 Riverside 8 Facility Discharger 01/03/2006 None
S621012 30015 Rawson Rd Riverside 8 Facility Discharger 03/09/1995 None
S620757 Sec 28 T5S R1W Riverside 8 Facility Discharger 12/29/1993 None
S620702 Newport Rd 2 Mi East Hwy 79 Riverside 8 Facility Discharger 05/24/1993 None
S620391 550 East Allessandro Blve Riverside 8 Facility Discharger 10/17/1992 None
S620390 8248 Etiwanda Ave San Bernardino 8 Facility Discharger 10/17/1992 None
S620388 550 East Allesandro Blvd Riverside 8 Facility Discharger 10/17/1992 None
S620182 480 East Alessandro Blvd Riverside 8 Facility Discharger 10/07/1992 None
S618951 Iron Mountain Pumping Plant Rd San Bernardino 7 Facility Discharger 12/04/1996 None
S605617 F E Weymouth Filtration Plant Solids Handling Facilities Los Angeles 4 Facility Discharger 01/21/2005 None
S602974 4901 Valley Cir Boulevard Los Angeles 4 Facility Discharger 04/25/1995 None
S602727 13100 Balboa Blvd Los Angeles 4 Facility Discharger 06/29/1995 None
S602727 13100 Balboa Blvd Los Angeles 4 Facility Discharger 10/17/1992 None
S260087 San Diego No 3 Bypass Pipelin Riverside 8 Facility Discharger 09/01/2005 None
S254464 Robert B Diemer Filtration Plant Orange 8 Facility Discharger 09/01/2005 None
S254463 Robert A Skinner Filtration Plant Riverside 9 Facility Discharger 09/01/2005 None
S254462 Robert A Skinner Filtration Plant Riverside 9 Facility Discharger 04/10/2003 None
S248193 PG&E Groundwater Extraction & Treatment Sys I M No 3 San Bernardino 7 Facility Discharger 09/01/2005 None
S242981 Mills Oxidation Retrofit Pro Riverside 8 Facility Discharger 09/01/2005 None
S242822 Jensen Ser Ctr Los Angeles 4 Facility Discharger 09/01/2005 None
S238417 Linear Const 1331 S E Street Riverside 8 Facility Discharger 09/01/2005 None
S237926 Lake Mathhews Outlet Fac Riverside 8 Facility Discharger 09/01/2005 None
S202332 Diamond Valley Lake Riverside 8 Facility Discharger 09/01/2005 None
Total Related Places: 99
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Paul E Robinson Contact Owner Contact N/A N/A N/A
N/A Daniel Guillory Contact Owner Contact N/A N/A N/A
N/A Mitch Lahouti Contact Owner Contact N/A N/A N/A
N/A Jan Vu Contact Owner Contact N/A N/A N/A
N/A Tom Cambell Contact Owner Contact N/A N/A N/A
N/A Lilly L Shraibati Contact Owner Contact N/A N/A N/A
N/A Tom Adams Contact Owner Contact N/A N/A N/A
N/A Mehdi Jalali Contact Owner Contact N/A N/A N/A
N/A Kamyar Motamedi Contact Owner Contact N/A N/A N/A
N/A James B Merrell Contact Owner Contact N/A N/A N/A
N/A Richard F Noone Contact Owner Contact N/A N/A N/A
N/A Mark J Simon Contact Owner Contact N/A N/A N/A
N/A Larry Hines Contact Owner Contact N/A N/A N/A
N/A Leslie Barrett Contact Owner Contact N/A N/A N/A
N/A Farro Koochek Contact Owner Contact N/A N/A N/A
N/A Bahram Akhavan Contact Owner Contact N/A N/A N/A
N/A Dan Guillory Contact Owner Contact N/A N/A N/A
N/A Wing Poon Contact Owner Contact N/A N/A N/A
N/A James Gallanes Contact Owner Contact N/A N/A N/A
N/A Angelo Reginaldo Contact Owner Contact N/A N/A N/A
N/A Daniel J Guillory Contact Owner Contact N/A N/A N/A
N/A Aristotle Bondoc Contact Owner Contact N/A N/A N/A
N/A John Clark Contact Owner Contact N/A N/A N/A
N/A Richard Noone Contact Owner Contact N/A N/A N/A
N/A Debra Nakamura Contact Owner Contact N/A N/A N/A
N/A Eric Anderson Contact Owner Contact N/A N/A N/A
N/A Marco De Jeronimo Contact Owner Contact N/A N/A N/A
N/A John Clairday Contact Owner Contact N/A N/A N/A
Total Related Parties: 28
  
  
  
  
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?
S596035 Construction 4 4 19C411840 Active CONSTW 2009-0009-DWQ 04/10/2026 None Discharger 02/12/2026 None None
S595278 Construction 7 7 33C411491 Active CONSTW 2009-0009-DWQ 03/05/2026 None Discharger 01/20/2026 None None
S595277 Construction 7 7 33C411490 Active CONSTW 2009-0009-DWQ 03/05/2026 None Discharger 01/20/2026 None None
S593314 Construction 8 8 33C411103 Active CONSTW 2009-0009-DWQ 01/22/2026 None Discharger 11/10/2025 None None
S593313 Construction 4 4 19C411884 Active CONSTW 2009-0009-DWQ 04/16/2026 None Discharger 11/10/2025 None None
S590029 Construction 9 9 33C409099 Active CONSTW 2009-0009-DWQ 09/03/2025 None Discharger 08/27/2025 None None
S581836 Construction 9 9 33C406445 Active CONSTW 2009-0009-DWQ 03/12/2025 None Discharger 02/14/2025 None None
S569740 Construction 8 8 33C403161 Active CONSTW 2009-0009-DWQ 02/23/2024 None Discharger 01/23/2024 None None
S568164 Construction 8 8 36C402922 Active CONSTW 2009-0009-DWQ 01/23/2024 None Discharger 11/28/2023 None None
S568140 Construction 7 7 33C403159 Active CONSTW 2009-0009-DWQ 02/23/2024 None Discharger 11/28/2023 None None
S568136 Construction 7 7 33C403067 Active CONSTW 2009-0009-DWQ 02/12/2024 None Discharger 11/28/2023 None None
S567677 Construction 7 7 36C402735 Active CONSTW 2009-0009-DWQ 12/18/2023 None Discharger 11/07/2023 None None
Total Regulatory Measures: 12
  
  
  
  
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.
S895902 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Orange County Region Pipeline ROW Infrastructure Protection Program S524796 2009-0009-DWQ Y
S882048 02/17/2022 SW - Incomplete/Insufficient SWPPP 1. The Complete Project Date needs to be updated through a Change of Information (COI) form. The Risk Level calculation also needs to be updated accordingly with the new Complete Project Date. 2. The information of Legally Responsible Person (LRP) and Authorized Signatories is missing in the SWPPP (Appendix L). Violation N Inspection Jensen WTP Electrical Upgrades Stage 2 S476736 2009-0009-DWQ 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: 2
*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
S467744 Notice of Non-Compliance for Non-Filers None 8 30C391645 CONSTW 10/13/2025 Historical
S460751 Notice of Violation None 8 30C391645 CONSTW 09/05/2025 Historical
S451237 1st Annual Report Notice of Non-Compliance None 7 36C391376 CONSTW 09/28/2023 Historical
S431836 Notice of Violation None 4 19C378960 CONSTW 11/28/2018 Historical
S425347 Notice to Comply None 4 19C372719 CONSTW 10/25/2016 Historical
S418568 Staff Enforcement Letter None 4 19C364264 CONSTW 03/11/2015 Historical
S414037 1st Annual Report Notice of Non-Compliance None 4 19C360987 CONSTW 11/01/2013 Historical
S414031 1st Annual Report Notice of Non-Compliance None 4 19C356389 CONSTW 11/01/2013 Historical
S359722 Verbal Communication None 8 33C340579 CONSTW 12/17/2008 Active
S352399 Staff Enforcement Letter None 8 33C340579 CONSTW 07/30/2008 Active
S352051 Verbal Communication None 8 33C340579 CONSTW 07/09/2008 Active
S346272 Verbal Communication None 8 33C340579 CONSTW 04/10/2008 Active
S346267 Verbal Communication None 8 33C340579 CONSTW 03/12/2008 Active
S345180 Notice of Violation NOV. 4 19C347094 CONSTW 04/14/2008 Historical
S341763 Verbal Communication None 8 33C340579 CONSTW 02/28/2008 Active
S249576 Notice to Comply UNKNOWN 4 19C310519 CONSTW 06/13/2002 Historical
Total Enforcement Actions: 16
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 05/20/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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