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NJAW Water Treatment Process

The document describes the process of treating source water to make it safe for drinking. It involves steps like coagulation, flocculation, clarification, filtration, disinfection and distribution. Chlorine is commonly used for disinfection to kill any remaining pathogens before the water is stored and distributed to homes and businesses through pipes and tanks.

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107 views1 page

NJAW Water Treatment Process

The document describes the process of treating source water to make it safe for drinking. It involves steps like coagulation, flocculation, clarification, filtration, disinfection and distribution. Chlorine is commonly used for disinfection to kill any remaining pathogens before the water is stored and distributed to homes and businesses through pipes and tanks.

Uploaded by

bas ha
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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SOURCETO

SOURCE TOTAP
TAP FILTRATION
The clarified water passes through

Howdodowe
How wemake
make water
water safe
safe to to drink?
drink?
filters made of layers of sand, coal,
or activated carbon, which help
remove smaller particles, including
potentially harmful bacteria. Some
SOURCE plants have begun using membranes
WATER for filtration in lieu of granular media.
SOURCE WATER DISINFECTION
Water supply serving the During the final step of treatment, a small
area. In this case, it is a amount of chlorine is added to kill any
surface water supply, such potentially harmful pathogens that may
as a river, lake or stream. remain in the water following the prior
treatment stages. The water is stored
temporarily in a clearwell to give the
chlorine time for the disinfection process 
to occur. Some plants use UV light in
addition to chlorine to aid in disinfection.

WATER
TREATMENT

DISTRIBUTION

COAGULATION FLOCCULATION CLARIFICATION/SEDIMENTATION


Coagulation uses iron or Slow mixing is used to  The heavy particles (floc) settle o
 ut
aluminum-based chemicals cause the coagulated dirt and the clear water flows to
to form “sticky” particles and organic particulates  filtration. The settled solids
that bind with dirt and to collide and clump together removed from the process often
organic matter in the water. to form larger “floc” particles possess exceptional nutrient and
that can settle out of the water-retaining properties that
water during clarification/ allow them to be recycled and used STORAGE
sedimentation. to improve the quality of topsoils. Pumps are typically used to “push” the water through
pipes to homes and businesses in the community.
Tanks are often used to provide storage around the
distribution system to help maintain pressure and
enhance reliability of water service and fire protection.

WANT TO KNOW MORE ABOUT WATER?


For more information about water and the water industry—
including fascinating facts you may not know, visit our online
Learning Center at newjerseyamwater.com. WE KEEP LIFE FLOWING™

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