Environmental Services

The Environmental Services Section is the Certified Unified Program Agency (CUPA) and pretreatment program control authority for the City of San Leandro.

Environmental Services is responsible for:

Contact Information

Report hazardous materials issues, spills, and storm drain contamination:

During Business Hours: (510) 577-3401
After hours: Call 911

Online (non-emergency only): My SL


(510) 577-6019


Monday - Friday, 8:30 a.m. - 4:00 p.m.

Mailing Address:
Environmental Services Section
835 E. 14th Street
 San Leandro, CA 94577