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CONTACT INFORMATION

Carlos Soria *
Water Services Supervisor, West Branch, Water Operations, DWR Southern Division, California State Department of Water Resources - Tejon Roads / Castaic Lake
34534 11th Street East, Pearblossom, CA 93553
661.944.8605 - Pearblossom phone 1
661.944.8460 - Castaic phone 2
661.433.7614 mobile
661.294.3651 fax
[email protected]
https://water.ca.gov/


Permits Department, Buildings & Facilities
California Film Commission
7080 Hollywood Blvd, Suite 900, Hollywood, CA 90028 USA
323.860.2960 phone 1
800.858.4749 phone 2
[email protected]
https://film.ca.gov/state-permits/buildings-facilities/


* key contact

Usage Restriction: 3 miles below Pyramid Lake / Dam. Permission must be granted for vehicles to enter tunnels.

Jurisdictions: CALIFORNIA FILM COMMISSION - CFC

Within 30-Mile Studio Zone: Y

State Property: Y

Closed/Vacant: N

Verified: 8/24/2025

Location Details

Osito Adit Tunnels - Department of Water Resources (DWR)

United States / Castaic, California
Location ID: #7152

Built of cement and concrete.
Service tunnel where cars and trucks will easily fit.

Location Category:

  • GOVERNMENTAL - *;
  • GOVERNMENTAL - State Buildings and Facilities;
  • MANUFACTURING & INDUSTRIAL - *;
  • MANUFACTURING & INDUSTRIAL - Underground Tunnels / Service Tunnels;
  • TRANSPORTATION - *;
  • TRANSPORTATION - Tunnels - Roadway Tunnels
 
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