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Water Treatment Strategies
International
Water Treatment Strategies
Considerations:
- The quality of your water source from an encased well, hand
dug well, rain water collection tank or cistern
- Medical history of the area including cholera, sickness or deaths due
to gastrointestinal illnesses
- The overall condition of the distribution system and how it
is affected by infiltration
- Whether the water is being carried by metal or plastic pipes
- Point of distribution into homes, community water fountains
or water station tanks
- Degree of community involvement
Typical Solutions:
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Well or surface water source to a
Bio-Dynamic tablet feeder filled with chlorine
tablets
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Tablet feeder plumbing bypass
arrangement with 30% of the water flowing through the feeder
into the final storage tank and remaining 70% of the water
flowing directly into
the final storage tank
- Gravity flow distribution from final storage tank to points
of use or booster pumps to points of use
- Maintain a minimum average of .5 ppm chlorine residual at
point of use to insure disinfection
- Monitor chlorine residual in the storage tank to maintain a
1.5 ppm average chlorine residual. If the chlorine residual
drops more than 1 ppm through the distribution system, sanitize
the piping with a 5 ppm chlorine solution
- Monitor chlorine residual in the container in which the
water is transported. If no residual is present, increase
chlorine dose
Bio-Dynamic potable water
disinfection systems are installed worldwide by non-profit relief
agencies and recommended by the
International Rural Water Association.
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Norwalk Wastewater Equipment Company, Inc.
220 Republic
Street Norwalk, Ohio U.S.A. 44857-1156
Phone: (419) 668-4471 Fax: (419) 663-5440
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2006 Norweco, Inc. All rights reserved.
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System Description
“The water that I and my family consumed before the installment of
the chlorinator in Villa Rosa was of very bad quality. We didn’t
have money to buy a safe 5 gallon bottle of water for $2.00. My
grandson suffered from severe diarrhea. He would get so dehydrated
at times, to the point where we spent all our money taking him to
the doctors, even when we didn’t have money to eat. With your clean
water, he does not get sick anymore!”
-Paulette Champagne, Port-au-Prince, Haiti resident |
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