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WATER PUMPS, TANKS, TESTS, WELLS, REPAIRS
WATER CONTAMINANT LEVELS
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 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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Below we list all known sources & methods for obtaining drinking water in an emergency, comparing the availability, ease of use, methods of use, cost and effectiveness of each method. First, in the fine print, we list some related water contamination & water quality references:
For explanation of the types of contaminants found in water and how they are removed in residential water systems, see WATER TESTS, CONTAMINANTS, TREATMENT. See WATER TREATMENT EQUIPMENT CHOICES for details on other water treatment options. See Filters for Drinking Water Purification for a discussion of portable and emergency water filters that are designed to purify drinking water, including portable ceramic water filters, silver ceramic filters, magnetic (bogus) water purifiers, paper and polypropylene water filters, etc.
See DRINKING WATER PURIFICATION for a discussion of various methods used to purify emergency drinking water. A companion article, DRINKING WATER - EMERGENCY SOURCES,describes possible sources of drinking water that may be useful in emergency conditions.
Flood Response Checklist lists key actions you should take after building flooding to minimize mold damage, and includes some safety warnings. Before entering a building that has been affected by a disaster such as fire, earthquake, or flood, See BUILDING ENTRY for DAMAGE ASSESSMENT for some safety warnings for occupants, building owners, or volunteers who may find themselves indoors in a disaster area and without immediate assistance from rescue workers or other experts.
Beware that most advice about purifying water, including the tips we have collected below, address biological contaminants in water, such as bacteria.
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. See WELL CHLORINATION SHOCKING PROCEDURE and See WATER TESTS, CONTAMINANTS, TREATMENT for advice on using a private well for drinking water.
Frequently Asked Questions (FAQs) about How to Purify & Treat Drinking Water in an Emergency