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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
33183 Oregon Steel Mills Privately-Owned Business 1025 Kaiser Road Napa, CA 94558-6257 707-257-5000(+) gilpina@osm.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
244839 Napa Pipe - SLIC/SUB15 Napa 2 Manufacturing NEC Owner 04/15/1992 01/21/2006
243853 Napa Fabricating Plant Napa 2 Manufacturing NEC Owner 06/15/1995 None
244838 Napa Pipe - SUB15/TANKS Napa 2 Manufacturing NEC Owner 05/17/1989 None
Total Related Places: 3
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
Total Related Parties: 0
  
  
  
  
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?
259516 Letter 2 None Historical NPDESWW LT970711 None None Discharger 07/11/1997 None N
259515 Letter 2 None Historical NPDESWW LT970515 None None Discharger 05/15/1997 None N
145245 WDR 2 2 283007001 Historical NPDESWW 79-155 11/20/1979 None Discharger 11/20/1979 None N
142291 WDR 2 2 283007003 Historical LNDISP 92-035 04/15/1992 01/19/1995 Discharger 04/15/1992 None N
142117 WDR 2 2 283007002 Historical LNDISP 89-070 05/17/1989 04/20/2005 Discharger 05/17/1989 None N
142081 WDR 2 2 283007003 Historical LNDISP 95-011 01/18/1995 04/20/2005 Discharger 01/18/1995 None N
141869 WDR 2 2 283007001 Historical NPDESWW 90-154 12/12/1990 None Discharger 12/12/1990 None N
133348 WDR 2 2 283007003 Active LFNONOPER R2-2005-0012 04/20/2005 None Discharger 04/20/2005 01/21/2006 N
Total Regulatory Measures: 8
  
  
  
  
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
237289 13267 Letter UNKNOWN Enforcement - 2 28-0108 UST 04/22/1999 Historical
219937 Clean-up and Abatement Order 90-147 SCR Order 1990-0147 LNDISP 11/14/1990 Historical
169253 Clean-up and Abatement Order 90-147 SCR 90-147 for the Napa Pipe Facility SLIC 11/14/1990 Historical
Total Enforcement Actions: 3
  
  
  
  
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: 04/23/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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