Donald M. Somers Water Pollution Control Plant - Sunnyvale, California
Posted by: 
hotshoe
N 37° 25.170 W 122° 00.900
10S E 587158 N 4141865
Bay-side wastewater tertiary treatment plant is seen from salt-pond levees.
Waymark Code: WM4VJQ
Location: California, United States
Date Posted: 10/01/2008
Views: 19
The original primary sewage treatment plant was constructed on this site in 1956. Increases in population, in wastewater volume, and enactment of the Clean Water Act have led to expansion of the oxidation ponds and to the construction of this huge, modern tertiary treatment plant.
Group tours can be scheduled for the plant. Baylands Park, owned by the city, has public trails on top of levees behind the plant, with information signs.
What is the capacity of the facility?: 29.5 MGD peak
Describe the biological treatment technology used.:
Anaerobic digester tanks for primary treatment
Algae ponds for secondary treatment
How are biosolids (sludge) managed?: drying beds, with dry solids used for landfill cap
What technology is used for disinfection prior to dicharge of treated water?: Chlorination
Who is the owner/operator fo the facility?: City of Sunnyvale
How is the facility governed?: Department of Public Works
What is the website of the WWTP?: [Web Link]
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Visit Instructions:
Please post at least 2 original photographs of the site. We would much rather see photos of the plant itself as opposed to the front office, but we also understand that security and site layout may limit your opportunities.