Public Works
pw.lacounty.gov
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.

Standards of Performance


The purpose of a Standard of Performance policy is to establish a consistent regulatory guideline associated with an underground storage tank system. Additionally, it is a means of publicly providing critical information to owner/operators and contractors ensuring transparency and accountability.

Managed by the Los Angeles County Public Works, Environmental Programs Division
Toll Free Phone Number: 1(888) CLEAN LA
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