Public Works
Los Angeles County Public Counters are closed until further notice.

For Underground Storage Tanks questions or submissions, email us at 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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