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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 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: 05/19/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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