Environmental Programs public counter located on the 3rd floor of the Annex building in Alhambra is open to the public. In order to maintain facility capacity we have implemented an online appointment system. Masks are highly recommended at all times for all visitors and staff. Click here to schedule an in person appointment or call (626) 458-3517 for questions or assistance.

For Underground Storage Tanks questions or submissions, email us at ust@pw.lacounty.gov. You can also mail submissions to:

Los Angeles County Public Works
Environmental Programs Division
900 S. Fremont Ave
Alhambra, CA 91803


If you have any questions, contact the Environmental Programs Public Counter at (626) 458-3517, Monday to Thursday, 8 am to 4 pm.

Useful Links


State Water Resources Control Board - Underground Storage Tank Program
 California Health and Safety Code (CH&SC) Division 20, Chapter 6.7 (effective 7/1/19)
 California Code of Regulations (CCR) Title 23, Division 3, Chapter 16 (effective 10/1/20)
 California Environmental Reporting System (CERS) Business Portal
 Electronic Submittal of Information (Note: Paper copy still must be provided to DPW)
 GeoTracker
 Response Plan
 Owner Statements of Designated UST Operator
 ICC Certified UST Professionals
 New UST installation requirements
 Red Tag Regulations
 UST Training Plus Requirements
Managed by the Los Angeles County Public Works, Environmental Programs Division
Toll Free Phone Number: 1(888) CLEAN LA
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