A 30 minute tour of Santa Rosa's Laguna Wastewater Treatment Plant located at:
4300 Llano Rd,
Santa Rosa CA 95407
Public tours are available by appointment.
For more information about tours or copies of this video call 707-543-3350.
This video is 65mb so it is suitable for broadband
connections [DSL or cable modem].
For a printable text version of the tour.
Click here to download
PDF version 
[Requires
Acrobat Reader]