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Water and Wastewater Plant Directory
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Bakersfield, California, USA
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City of Bakersfield Wastewater Plant 3
c/o Wastewater
8101 Ashe Road
Bakersfield, California, 93313
USA
Contact Information:
Contact: Juan Cerda, Supervisor
Email:
Telephone: 661-326-3249
Fax:
Plant Operation: Municipal
Processing: Wastewater
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Web site:
http://www.bakersfieldcity.us/cityservices/pubwrks/wastewater/plant3/index.htm
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Plant/Process Description:
Raw wastewater (called influent) from the sewer
system enters the treatment plant at the
headworks. Here, the wastewater passes through two
mechanical bar screens that remove large debris,
rags, sticks or other objects that may damage
equipment used in the treatment process. The
Influent then flows through two Parshall flumes
which measure the flow rate and the total amount
of wastewater treated by the plant. Wastewater is
then pumped to the Grit Chambers which removes
sand, gravel and metallic objects. The removal of
solids improve treatment efficiency and help
protect the equipment against excessive wear.
The odor control facility reduces odors emitted by
wastewater. The primary treatment areas
(headworks, grit chambers and primary clarifiers)
are covered to trap these odors. The trapped odors
are then vacuumed and treated by a chemical
process which reduces the pollutants. Treated air
is then released into the atmosphere.
The clarifiers remove floatable and settleable
materials from the wastewater. The water is
detained in the clarifier for 2.5 hours. This
allows the majority of solids (sludge) to separate
from the liquid portion and collect at the bottom
of the tank. The solids or sludge is then
mechanically collected and pumped to the
digesters. Meanwhile, the floatable waste (or
scum) is skimmed off the top of the water and is
also pumped to the digesters. The remaining liquid
portion flows by gravity to the trickling
filter.
Wastewater is distributed over the honeycomb-like
plastic filter media which is covered with a thin
bacterial growth. Microorganisms grow on the media
and absorb much of the organic content found in
the wastewater. When the growth becomes too large,
it breaks off and is passed to the next phase of
treatment.
Final treatment step. The secondary clarifiers
provide a quiescent condition which promotes
settling of the bacterial growth from the
trickling filters and also any solids or scum not
removed during primary sedimentation. The
collected sludge and scum is pumped back to the
headworks to repeat the treatment process.
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Owner:
California Water Service Company
Web site:
http://www.calwater.com/
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Operating Company:
California Water Service Company
Web site:
http://www.calwater.com/
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Directions:
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Disclaimer:
Water and Wastewater.com provides the information on
this page for reference purposes only. We do not certify
the accuracy of the information provided by third-party
individuals for this listing.
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