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A state-of-the-art, centrally located water treatment
plant is under construction in the Renaissance Center near Mission
Road NE and Alexander Blvd. NE. San Juan-Chama water will be diverted
to the plant, where it will be made safe and pleasant to drink. The
water will be purified through removing particulate matter, including
turbidity (cloudiness), sediment and bacterial and microbial contaminants
such as giardia, cryptosporidium, and e-coli. The purified water will
then be sent throughout the system and will be blended with groundwater
to supplement drinking water supplies.
Facilities at the Water Treatment Plant
Click on image at right to enlarge.
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The Water Treatment Process
Water is pumped from the Alameda Bridge diversion site into two
pre-sedimentation ponds, where the water will be held for 24 hours.
Each pond holds approximately 50 million gallons.
From the ponds, the water is pumped to the main processing area.
A coagulant is mixed with the water to bind with sediments and cause
them to settle out.
Water then flows to ozone contactors, where ozone is added to
oxidize any organics and kill bacteria.
Remaining turbidity (muddiness) is filtered out using granular
activated carbon, which also absorbs any remaining organic material.
Finished water storage tanks hold the water before it is treated
with fluoride and chlorine and pumped into the distribution system
for delivery to homes and businesses.
Sediments (dirt) removed from the water are held in drying beds
and then trucked away for disposal or use as backfill.
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Last Updated ( Thursday, 07 February 2008 )
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Your Drinking Water 
