Get a First-Hand Look at How Your Water Pollution Control Facility Works.
When: 9:30 am – Second Wednesday of February, May, August, November
Where: 2600 Grant Avenue, San Lorenzo
NOTICE: Due to the ongoing COVID-19 crisis, Oro Loma has temporarily suspended the quarterly tours of the wastewater treatment plant. Please check our calendar on the homepage for the status of future tours.
To attend the a regularly scheduled Quarterly Public Tour, please select the date below and fill out the form on the following page:
May 13, 2020 >> – The May 13, 2020 tour has been cancelled.
If you are interested in a Special Tour, please call the District at (510) 276-4700 to schedule a date and time. Special Tours are conducted on dates other than those reserved for Quarterly Public Tours and are subject to staff availability.
Special Tour guests are responsible for bringing an adequate number of adult chaperones as outlined below:
Student age Required Student/Adult Ratio
8 -11 years old 1 chaperone per 7 students
12 – 18 years old 1 chaperone per 10 students