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WATER PUMPS, TANKS, TESTS, WELLS, REPAIRS
WATER CONSERVATION MEASURES
WATER CONTAMINANT LEVELS
WATER FILTERS, HOME USE
WATER HAMMER NOISE DIAGNOSE & CURE
WATER ODORS, CAUSE CURE
WATER PUMP REPAIR GUIDE
WATER PRESSURE LOSS DIAGNOSIS & REPAIR
WATER PUMP SHORT CYCLING
WATER SOFTENERS & CONDITIONERS
WATER TANK REPAIR PROCEDURES
WATER TANK: USES, TROUBLESHOOTING
WATER TESTS, CONTAMINANTS, TREATMENT
WATER TREATMENT EQUIPMENT CHOICES
WELLS CISTERNS & SPRINGS
WELL CHLORINATION & DISINFECTION
WELL FLOW RATE
WELL WATER PRESSURE DIAGNOSIS
WELL YIELD IMPROVEMENT
WINTERIZE A BUILDING
Emergency drinking water supply: this article series lists & describes the various methods to purify or sanitize drinking water in an emergency following a disaster such as an earthquake, flood, or hurricane.
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Watch out: Beware that most advice about purifying water, including many of the emergency drinking water source and purification tips we have collected below, address only biological contaminants in water, such as bacteria.
That may be all that you're concerned about in many drinking water emergencies, but keep in mind the danger of chemical contaminants that are not addressed by such measures.
Article Series Contents
Water purification procedures that can be used in an emergency are described in the text above and in individual links to detailed articles about each water purification method - we list these methods and links again in a list just below.
Watch out: If community or private wells are back in operating and providing water after a disaster, do not assume that the water is sanitary and ok to drink until responsible authorities have said so. Even then, local water pipes in a building may be unsanitary and additional cleaning or disinfection may be needed.
Continue reading at BLEACH DISINFECTANT for DRINKING WATER or select a topic from the More Reading links shown below.
Suggested citation for this web page
Green link shows where you are in this article series.
Frequently Asked Questions (FAQs)
Question: I like colloidal silver for water purification
Colloidal Silver is perfectly safe if you don't use anything but distilled water and pure silver to make it. The FDA paraded blue man argyria idiot drinks huge amounts of the unsafe kind and to this day insists continuing that way. Any colloidal silver with salts or proteins in it will turn you as blue, as you would get, explaining this simple fact to the corrupted FDA. - LL 4/13/2012
Reply: experts point to dubious claims and risks relying on your approach
Thank you for your views, LL. Unfortunately, not only can we assume that preparers around the world use or even have access to distilled water, but worse, colloidal silver is used in some very hostile (bad drinking water source) environments.
Question: need clear article on buying simple water purification kits for use when there is no municipal supply
A clear article is needed regarding buying simple water purification kits for home use in case the municipal water supply is down for months. The kit should be continually reusable with a reasonable level of maintenance and assuming you cannot purchase any spare parts for it during the ongoing emergency. - John 11/7/2012
Reply: for emergency drinking water supply we recommend a portable water filter, preferably a ceramic water filter for long durability and minimum need for replacement parts or filters
Thanks John, you're quite right.
In the article on this page
the text "Water purifying filters" is a link to a class of portable water purification kits, describing each and their properties, capacity, and reliability. From your comment I have revised this and all of the text in our article series on water purification and treatment methods to make the options more readily apparent.
Ceramic filters for water purification in emergency or camping use are available in a variety of sizes and capacities, require no electricity, do not require replacement parts, and if/when the filter begins to clog the ceramic cartridge can be cleaned by simple scrubbing its exterior with the cleanest water available nearby. We used a ceramic filter of this type to provide safe drinking water for a group of about 20 people for two weeks with complete reliability.
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