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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
S606710 SERRANO ASSOCIATES LLC Privately-Owned Business 4525 SERRANO PARKWAY EL DORADO HILLS, CA 95762 916-939-4060 BPARKER@PARKERDEVCO.COM
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
S933468 Serrano Village A14 El Dorado 5S Facility Discharger 07/17/2025 None
S906233 Serrano Village C2 Phase 1 Rough Grading El Dorado 5S Facility Discharger 07/21/2022 None
S899130 Serrano Village M5 El Dorado 5S Facility Discharger 10/14/2021 None
S897724 Serrano Village A14 El Dorado 5S Facility Discharger 08/30/2021 None
S897543 Serrano Village M4 El Dorado 5S Facility Discharger 08/24/2021 None
S892096 Serrano Pedestrian Trail K1 K2 Unit 4 El Dorado 5S Facility Discharger 03/24/2021 None
S879802 Serrano Village M4 El Dorado 5S Facility Discharger 02/24/2020 None
S879275 Serrano Village K1 K2 Unit 4 El Dorado 5S Facility Discharger 02/06/2020 None
S874679 Serrano Village J7 El Dorado 5S Facility Discharger 08/05/2019 None
S871925 Serrano Village J7 El Dorado 5S Facility Discharger 04/10/2019 None
S871364 Serrano Saratoga Way Commercial El Dorado 5S Facility Discharger 03/19/2019 None
S866674 Serrano Village Green Parcel 2&3 El Dorado 5S Facility Discharger 08/30/2018 None
S866461 Serrano Village M5 El Dorado 5S Facility Discharger 08/21/2018 None
S865748 Serrano Village J Lot H El Dorado 5S Facility Discharger 07/20/2018 None
S864047 Serrano Village K5 PH2 Unit 8 El Dorado 5S Facility Discharger 05/11/2018 None
S858044 Serrano Village J6 Phase 2 El Dorado 5S Facility Discharger 08/14/2017 None
S854572 Serrano Village J6 Phase 1 El Dorado 5S Facility Discharger 04/11/2017 None
S845559 Serrano Village M2 Unit 3 El Dorado 5S Facility Discharger 04/01/2016 None
S844288 Serrano Village M3 El Dorado 5S Facility Discharger 02/03/2016 None
S830405 Serrano Village M2 Phase 1 El Dorado 5S Facility Discharger 07/11/2014 None
S826064 Serrano Village K1&K2 Unit 5b El Dorado 5S Facility Discharger 10/04/2013 None
S823738 Serrano Village K5 Phase 2 El Dorado 5S Facility Discharger 06/11/2013 None
S822685 Serrano Village K1&K2 Unit 5a El Dorado 5S Facility Discharger 04/18/2013 None
S822491 Sienna Ridge Drive El Dorado 5S Facility Discharger 04/08/2013 None
S260770 4525 Serrano Parkway El Dorado 5S Facility Discharger 09/01/2005 None
Total Related Places: 25
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
N/A Tom Howard Contact Owner Contact N/A N/A N/A
N/A WILLIAM PARKER Contact Owner Contact N/A N/A N/A
N/A William Parker Contact Owner Contact N/A N/A N/A
N/A THOMAS HOWARD Contact Owner Contact N/A N/A N/A
Total Related Parties: 4
  
  
  
  
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?
S587407 Construction 5S 5S09C407847 Active CONSTW 2009-0009-DWQ 07/25/2025 None Discharger 07/17/2025 None None
Total Regulatory Measures: 1
  
  
  
  
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.
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: 0
*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
S456021 2nd Annual Report Notice of Non-Compliance None 5S09C398455 CONSTW 09/17/2024 Active
S453969 1st Annual Report Notice of Non-Compliance None 5S09C398455 CONSTW 07/15/2024 Active
S432838 Notice of Violation None 5S09C380787 CONSTW 03/07/2019 Active
S428185 Notice of Violation None 5S09C380787 CONSTW 12/15/2017 Historical
S428184 Notice of Violation None 5S09C380010 CONSTW 12/15/2017 Historical
S424676 1st Annual Report Notice of Non-Compliance None 5S09C375683 CONSTW 09/21/2016 Historical
S244210 Notice of Violation None 5S09C309981 CONSTW 01/15/2003 Historical
Total Enforcement Actions: 7
  
  
  
  
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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