On The Record, Vol. 4, No. 1, Ed. 1 Friday, June 15, 2012 Page: 25 of 32
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ON THE RECORD
GOING WITH THE FLOW
HOW DENTON GETS ITS WATER SO TASTT
BY UFA PEYTON
For.residents of Denton, some: of the
best-tasting water in the countn is
always on tap. The city was a top-5
finalist in the U.S. Conference of Mayors"
2011 ''BestTasting City Water-in America"
contest, and the state of Texas recently
awarded Denton with ''superior" water
Two separate water treatment facilities
are constantly at work, churning millions
of gallons of natural water into a superior
product that meets the demands of almost
120,000 residents. Lake Ray Roberts Water
Treatment facility operator hen Blount
said water quality is tested .every fifteen
minutes to ensure the water's excellence
is never compromised, a process he called
a cut above tire spot-checking conducted
by bottled water companies.
As water moves through the various
stages of the treatment process, it gradually
becomes cleaner and has a visibility similar
to that of a swimming pool.
"It's always inviting," Blount said.
But Blount and the experienced team of
facility operators know that there 's more
to be. done before anyone can take a dip.
The first; stage of the treatment process
begins with water drawn from both Lake
Ray Roberts and Lake Lewisville.
The water then goes through a
coagulation and flocculation process,
where the; chemical compound ferric
sulfate is used to clump up the "sludge"
found in the. water.
After that, the water enters t he second
stage of the process, called sedimentation,
where the, sludge is given time to settle/to
the bottom before the top layer of water
is scooped out and given a minimal dose
of chlorine with ammonia at the Lake
Lewisville plant and Ozone at the Lake
Ray Roberts plant.
The Lake Lewisville Treatment Plant
will soon join the Lake Ray Roberts Water
Treatment Plant in using tile safer and
more effective cleaning agent, Ozone, said
regulatory coordinator Kathy Gault.
"The safety has always been there, said
Kathy Gault, regulatoiy coordinator at the
Lake Lfewisvillfe plant. "I think we have
With the addition
of Ozone, the two
plants will give all
the same great-
testing water- stage
of the process,
sand, and gravel to
rid thewater of any
and then gives it a
final minimal dose
of chlorine mixed
with other non-
to ensure that it
arrives safely from
the plant to your
While the process
is fairly standard, the
demands are not.
that the plants are
adjustments to meet
the city's needs.
have never been
forced to turn to
or ration \\ at or.
even in the case
of last summer's
The city of Denton uses an estimated
18.5 million gallons a day mgd . and both
plants combined have a max output of
about 50 mgd.
The Lake Ray Roberts Plant, which
is set to expand its 20 mgd capacity to
100 million mgd in the next several, is
equipped with backup generators to keep
showers, dishwashers and slip n' slides
going in case of a power outage.
DEHTOFS WATER CLEAMNG PROCESS
"In the beginning we had to learn a
better way to operate." Gault said.
Rt>w it seems the plant, armed with an
alphabet's worth of backup plans, has
figured out the balancing act, and plans
to stay on top of the water world. Plans
are even in place to begin checking the
water lor different hormones.
"The water in Denton is going to get a
lot better in the future," Blount said.
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Bottoni, Paul. On The Record, Vol. 4, No. 1, Ed. 1 Friday, June 15, 2012, periodical, June 15, 2012; Denton, Texas. (texashistory.unt.edu/ark:/67531/metapth255944/m1/25/: accessed November 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .