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.

Hot Topics

UST Working Group Meeting

Public Works hosted a working group meeting on Tuesday, January 12, 2016. To review a copy of the presentation from the meeting, please click here. (PDF, 5.6MB)

Los Angeles County Code (LACC), Title 11, Division 4

On June 2nd, the County of Los Angeles Board of Supervisors approved the revisions to the Underground Storage Tank Ordinance and fee increase. The revised ordinance has been the first revision to this portion of the County's Code since 2001, which includes updating our fee structure and addressing concerns from the State Water Board.

California Environmental Reporting System (CERS)

All businesses must submit their Unified Program Facility reporting forms electronically (instead of on paper forms) starting January 1, 2013, via the CERS Business Portal.

Online File Review Underground Storage Tanks, Industrial Waste, Stormwater

Online file review is now available. Review Public Works digitized files related to the Underground Storage Tank (UST) program, Industrial Waste (IW) program, and Stormwater (SW) certification program. Click here for more information and access.

Matrix of Pipe Monitoring Applications

Underground Storage Tank Electronic Notification

Based on the success of the electronic notification process for underground storage tank (UST) testing the Los Angeles County Public Works has developed electronic notification applications for the following activities.

  • UST Emergency Repair Work
  • UST Closure/Sampling Inspection
  • UST Prior to Backfill Inspection

As of January 11, 2016, electronic notifications are to be submitted to this office for any of the above activities. To access the electronic notification process click on "Electronic Notification" in the left hand column.

Underground Storage Tank Standards of Performance

Standards of Performance have been created for the following:

  • Emergency Repairs to an Underground Storage Tank System

To access a Standard, click on Standards of Performance in the left hand column or the link above.
Managed by the Los Angeles County Public Works, Environmental Programs Division
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