Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
569103 Paul Detjens 925-313-2394(+) paul.detjens@pw.cccount.us
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
9305 Contra Costa County Flood Control Organization Legally Responsible Official 10/17/2017 None County Agency
Total Related Parties: 1
  
  
  
  
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?
Total Regulatory Measures: 0
  
  
  
  
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
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
170935 Contra Costa County Flood Control 401 Certification CERFILLEXC None Historical
171921 Contra Costa County Flood Control 401 Certification CERFILLEXC None Historical
377775 Contra Costa County Flood Control 401 Certification CERFILLEXC 11/03/2009 Historical
388635 Contra Costa County Flood Control 401 Certification CERFILLEXC 12/12/2012 Historical
457891 Contra Costa County Flood Control 401 Certification CERFILLEXC 03/24/2025 Active
416152 Contra Costa County Flood Control 401 Certification CERREST 03/16/2018 Historical
416713 Contra Costa County Flood Control Enrollee - 401 Certification CERFILLEXC 10/30/2017 Historical
433295 Contra Costa County Flood Control 401 Certification CERFILLEXC 10/08/2020 Active
391042 Contra Costa County Flood Control 401 Certification CERDREDGE 07/21/2010 Historical
Total Regulatory Measures linked to Related Parties: 9
  
  
The current report was generated with data as of: 11/28/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB