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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
639990 Mariana Estrada 1685 E St. Fresno, CA 93706 559-445-6194 Mariana.Estrada@Waterboards.ca.gov
  
  
  
  
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
137763 Central Valley Regional Water Quality Control Board, Fresno Office Organization Employee 06/13/2023 None Waterboard
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 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.
1143118 03/20/2025 Late Report During the file review, Staff noted that the only annual SMR submitted was the o Violation None Inspection Midway-Sunset Oil Field, SEC 19 & 24 Leases 298756 R5-2005-0163 Y
1143117 03/20/2025 Order Conditions During the inspection, Staff observed an area with hydrocarbon impacted soil and Violation None Inspection Midway-Sunset Oil Field, SEC 19 & 24 Leases 298756 R5-2005-0163 Y
1143116 03/20/2025 Order Conditions During the inspection, Staff observed that Pond #6 had wastewater discharged int Violation None Inspection Midway-Sunset Oil Field, SEC 19 & 24 Leases 298756 R5-2005-0163 Y
1143114 03/20/2025 Order Conditions During the inspection, Staff observed holes on the pond berms of Pond #6. Violation None Inspection Midway-Sunset Oil Field, SEC 19 & 24 Leases 298756 R5-2005-0163 Y
1143113 03/20/2025 Order Conditions There were leaking pipes discharging oily fluids onto areas not confined to the Violation None Inspection Midway-Sunset Oil Field, SEC 19 & 24 Leases 298756 R5-2005-0163 Y
1121924 09/19/2023 Order Conditions Pond No. 1, which contained crude oil and water, had openings in the fencing aro Violation None Inspection Lost Hills Oil Field, Theta (12) Lease 401956 R5-2015-0717 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: 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
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
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 10/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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