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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
S605498 Williams Homes Inc Privately-Owned Business 24911 Avenue Stanford Suite 101 Santa Clarita, CA 91355 661-222-9207 110 lwilliams@williamshomes.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S935841 Valley Villas Los Angeles 4 Facility Discharger 08/28/2025 None
S935482 Palo Verde San Bernardino 7 Facility Discharger 08/25/2025 None
S935068 Magnolia Village Placer 5S Facility Discharger 08/19/2025 None
S934586 Finch Ranch Ventura 4 Facility Discharger 08/12/2025 None
S934340 Creekside Ventura 4 Facility Discharger 08/06/2025 None
S934167 Finch Ranch Ventura 4 Facility Discharger 08/04/2025 None
S917096 Point Happy Riverside 7 Facility Discharger 10/20/2023 None
S913103 Point Happy Riverside 7 Facility Discharger 05/23/2023 None
S905696 Valley Villas Los Angeles 4 Facility Discharger 06/30/2022 None
S905474 Lancaster Apartments Los Angeles 6B Facility Discharger 06/22/2022 None
S905099 Collins Drive Placer 5S Facility Discharger 06/08/2022 None
S902838 Palo Verde Tract 32279 and 33336 Riverside 7 Facility Discharger 03/09/2022 None
S901720 Campanile Riverside 7 Facility Discharger 01/28/2022 None
S901644 Magnolia Village Placer 5S Facility Discharger 01/26/2022 None
S901625 Plaza Del Amo Los Angeles 4 Facility Discharger 01/26/2022 None
S900585 Tract 60259 Park Place Los Angeles 4 Facility Discharger 12/10/2021 None
S893925 Tract 5683 Ventura 4 Facility Discharger 05/17/2021 None
S890177 Fillmore Tract 5422 Creekside Ventura 4 Facility Discharger 01/27/2021 None
S887692 Tract 5655 Lots 2 through 4 Ventura 4 Facility Discharger 11/09/2020 None
S878959 Tract 5984 Ventura 4 Facility Discharger 01/28/2020 None
S863874 Williams Homes Office Building Los Angeles 4 Facility Discharger 05/04/2018 None
S862779 Rosewood Ventura 4 Facility Discharger 03/29/2018 None
S851456 Foothill II Los Angeles 4 Facility Discharger 11/04/2016 None
S835848 Tract 73418 Los Angeles 4 Facility Discharger 06/04/2015 None
S817648 WH Fillmore 34 Ventura 4 Facility Discharger 06/20/2012 None
S809845 Fairways Residential Los Angeles 4 Facility Discharger 05/12/2011 None
S802544 Hidden Creek San Bernardino 8 Facility Discharger 03/25/2010 None
S802327 Tract 18677 Bella Terra San Bernardino 8 Facility Discharger 03/08/2010 None
S744435 Monterey Heights Lots 1 17 Tract 51978 Los Angeles 4 Facility Discharger 09/09/2009 None
S606792 Solstice South Los Angeles 4 Facility Discharger 11/07/2005 None
Total Related Places: 30
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Martin Mendoza Contact Owner Contact N/A N/A N/A
N/A Keith Herren Contact Owner Contact N/A N/A N/A
N/A Mike von Quilich Contact Owner Contact N/A N/A N/A
N/A Keith Herren Contact Owner Contact N/A N/A N/A
N/A Bob Barjam Contact Owner Contact N/A N/A N/A
N/A Kelly Brown Contact Owner Contact N/A N/A N/A
N/A Lance Williams Contact Owner Contact N/A N/A N/A
N/A Lance Williams Contact Owner Contact N/A N/A N/A
N/A Steven Gonzalez Contact Owner Contact N/A N/A N/A
Total Related Parties: 9
  
  
  
  
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?
S590141 Construction 4 4 19C409058 Active CONSTW 2009-0009-DWQ 09/03/2025 None Discharger 08/28/2025 None None
S589730 Construction 7 7 36C408884 Active CONSTW 2009-0009-DWQ 08/29/2025 None Discharger 08/25/2025 None None
S589263 Construction 5S 5S31C409686 Active CONSTW 2009-0009-DWQ 09/25/2025 None Discharger 08/19/2025 None None
S588421 Construction 4 4 56C408523 Active CONSTW 2009-0009-DWQ 08/25/2025 None Discharger 08/06/2025 None None
S588246 Construction 4 4 56C408563 Active CONSTW 2009-0009-DWQ 08/25/2025 None Discharger 08/04/2025 None None
Total Regulatory Measures: 5
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
S896264 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Lancaster Apartments S551096 2009-0009-DWQ Y
S896191 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Palo Verde Tract 32279 and 33336 S547626 2009-0009-DWQ Y
S895186 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Valley Villas S551374 2009-0009-DWQ Y
S895169 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Collins Drive S550599 2009-0009-DWQ Y
S894219 09/02/2025 SW - Failure to Obtain Permit Failure to obtain coverage under the 2022 CGP by 09/01/2025. Violation N Internal Report Tract 60259 Park Place S544607 2009-0009-DWQ Y
S891637 06/23/2025 SW - Deficient BMP Implementation ? Sediment track-out was observed on adjacent streets. ? Stabilized entrance/exi Violation N Inspection Fillmore Tract 5422 Creekside S531393 2009-0009-DWQ Y
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 6
*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
S456537 Verbal Communication None 4 56C394287 CONSTW 06/23/2025 Active
S438427 Verbal Communication None 4 56C389406 CONSTW 10/29/2020 Historical
S435959 Notice to Comply None 4 56C383032 CONSTW 11/19/2019 Historical
S461113 Notice of Violation None 6B19C398078 CONSTW 09/05/2025 Active
S459068 Notice of Violation None 4 19C395981 CONSTW 09/05/2025 Active
S461040 Notice of Violation None 7 33C396928 CONSTW 09/05/2025 Active
S407377 Notice of Violation None 4 19C337633 CONSTW 12/07/2011 Historical
S460018 Notice of Violation None 5S31C398066 CONSTW 09/05/2025 Active
S446157 Notice of Violation None 4 56C389406 CONSTW 02/09/2022 Historical
S460035 Notice of Violation None 4 19C397942 CONSTW 09/05/2025 Active
S448679 2nd Annual Report Notice of Non-Compliance None 7 33C396761 CONSTW 12/15/2022 Historical
S411859 1st Annual Report Notice of Non-Compliance None 8 36C357621 CONSTW 12/13/2012 Historical
S448460 1st Annual Report Notice of Non-Compliance None 7 33C396761 CONSTW 11/03/2022 Historical
Total Enforcement Actions: 13
  
  
  
  
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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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