General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 635402 John Gillan null 4211 Ponderosa Avenue Suite C San Diego, CA 92123 919-783-4657 john.gillan@martinmarietta.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 636683 Lehigh Southwest Cement Company c/o Three Rivers Management Organization Legally Responsible Official 08/10/2023 null Privately-Owned Business 25748 Lehigh Southwest Cement Company Organization Legally Responsible Official 09/02/2022 null Privately-Owned Business Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Violations within the past calendar 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. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status 454583 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 08/25/2023 Active 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 428336 Lehigh Southwest Cement Company 401 Certification CERFILLEXC 08/13/2020 Historical 418588 Lehigh Southwest Cement Company Enrollee - NPDES NPDNONMUNIPRCS 05/24/2018 Historical 413856 Lehigh Southwest Cement Company c/o Three Rivers Management WDR LFNONOPER 06/09/2017 Active 146746 Lehigh Southwest Cement Company WDR LFNONOPER 04/17/1998 Historical 146578 Lehigh Southwest Cement Company WDR LNDISP 01/24/1997 Historical 139956 Lehigh Southwest Cement Company WDR LNDISP 12/11/1987 Historical 139382 Lehigh Southwest Cement Company WDR LNDISP 12/20/1974 Historical