General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 545973 Tom Mitchell null 25124 Springfield Court 300 Valencia, CA 91355 661-255-4481 tmitchell@newhall.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 642969 The Newhall Land and Farming Company Organization Interested Party 12/06/2023 null Privately-Owned Business 400869 Newhall Ranch SD Organization Data Submitter 04/04/2014 null Special District 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 422406 Newhall Ranch SD NPDES Permit NPDMUNILRG 09/01/2019 Active 383099 Newhall Ranch SD NPDES Permit NPDMUNILRG 02/01/2014 Historical 331910 Newhall Ranch SD NPDES Permit NPDMUNILRG 10/27/2007 Historical