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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
527932 Gregory Knapp 12667 Alcosta Boulevard 400 San Ramon, CA 94583(+) 925-244-6570 greg.knapp@hanson.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
273205 Lehigh Southwest and Hanson Limestone Quarry Cement Plant (Permanente) Santa Clara 2 Sand and Gravel Mining Contact 03/13/2014 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
23863 Lehigh Southwest Cement Company, Permanente Facility Organization Employee 03/01/2012 None Privately-Owned Business
25746 Lehigh Southwest Cement Company, Redding Organization Data Submitter 07/19/2011 03/01/2012 Privately-Owned Business
25748 Lehigh Southwest Cement Company Organization Legally Responsible Official 01/05/2018 None Privately-Owned Business
25748 Lehigh Southwest Cement Company Organization Legally Responsible Official 08/16/2018 None Privately-Owned Business
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?
395340 NPDES Permit 2 2 438668001 Historical NPDINDLRG R2-2014-0010 05/01/2014 08/31/2019 Discharger Contact 03/13/2014 None Y
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
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
414776 Lehigh Southwest Cement Company, Permanente Facility NPDES Permit NPDINDLRG 10/01/2017 Active
432980 Lehigh Southwest Cement Company, Permanente Facility NPDES Permit NPDINDLRG 09/01/2019 Active
380546 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/22/2011 Historical
380545 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/21/2011 Historical
380548 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/21/2011 Historical
380550 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/21/2011 Historical
143130 Lehigh Southwest Cement Company, Permanente Facility WDR WDR 05/21/1997 Historical
380558 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/22/2011 Historical
380549 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 10/28/2011 Historical
146249 Lehigh Southwest Cement Company, Permanente Facility WDR WDR 08/20/1974 Historical
395340 Lehigh Southwest Cement Company, Permanente Facility NPDES Permit NPDINDLRG 05/01/2014 Historical
384455 Lehigh Southwest Cement Company, Permanente Facility WDR LNDISPOTH 06/13/2018 Active
380556 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/21/2011 Historical
380543 Lehigh Southwest Cement Company, Permanente Facility Enrollee NPDNONMUNIPRCS 11/21/2011 Historical
143297 Lehigh Southwest Cement Company, Permanente Facility Reclamation Requirements REC 03/16/1994 Active
146746 Lehigh Southwest Cement Company WDR LFNONOPER 04/17/1998 Historical
430854 Lehigh Southwest Cement Company 13267 Letter (Non-Enforcement) LFNONOPER 05/28/2019 Historical
454583 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 08/25/2023 Active
146578 Lehigh Southwest Cement Company WDR LNDISP 01/24/1997 Historical
139382 Lehigh Southwest Cement Company WDR LNDISP 12/20/1974 Historical
428336 Lehigh Southwest Cement Company 401 Certification CERFILLEXC 08/13/2020 Historical
418588 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 05/24/2018 Historical
139956 Lehigh Southwest Cement Company WDR LNDISP 12/11/1987 Historical
438690 Lehigh Southwest Cement Company Resolution LFNONOPER 06/04/2020 Historical
430854 Lehigh Southwest Cement Company 13267 Letter (Non-Enforcement) LFNONOPER 05/28/2019 Historical
146746 Lehigh Southwest Cement Company WDR LFNONOPER 04/17/1998 Historical
454583 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 08/25/2023 Active
146578 Lehigh Southwest Cement Company WDR LNDISP 01/24/1997 Historical
139382 Lehigh Southwest Cement Company WDR LNDISP 12/20/1974 Historical
428336 Lehigh Southwest Cement Company 401 Certification CERFILLEXC 08/13/2020 Historical
438690 Lehigh Southwest Cement Company Resolution LFNONOPER 06/04/2020 Historical
139956 Lehigh Southwest Cement Company WDR LNDISP 12/11/1987 Historical
418588 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 05/24/2018 Historical
Total Regulatory Measures linked to Related Parties: 33
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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