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What types of contaminants keep in a disaster?

Author: Time: 06/30/2016 Read: 1161


In an emergency, municipal water lines can be compromised or broken, causing sewage or storm runoff to mingle with treated drinking water. Flooding can lead to a variety of groundwater sources becoming compromised when rivers and septic systems are subject to unusual water level surges and mingling. Bacterial contamination is the single most common threat to both public and private water supplies, and its impacts are quick, disabling, and potentially deadly.

Parasites & Protozoa:

Giardia, cryptosporidium, and amoebic dysentery are common water protozoa which cause disease. Like bacteria, many other protozoa are harmless to humans, though they can contribute an unpleasant odor to water.


Viruses — including those causing hepatitis, gastroenteritis, meningitis and even polio — can also be transmitted by water. Viruses are tiny: 0.004 to 0.1 micron in diameter! Viruses are also harder to detect with standard water testing.

Organic chemicals

In major storms, flood waters can cause large quantities of VOCs to wash from landfills, gas stations, dry-cleaners, or industrial areas — into both public and private water supplies.

Inorganic chemicals,

“Inorganic”, in this case, simply means these contaminants do not contain carbon. Heavy metals, chlorine, arsenic, and fluoride all fall into this category. While these are all common problems in drinking water, disaster scenarios are less likely to increase these particular elements.


Turbidity indicates the cloudiness of water: mud, organic matter, or various sediments may be present, particularly in storm conditions. Turbidity in itself may not be dangerous, however high turbidity is often associated with the presence of microorganisms.

To purify water, Diercon life water filter bottle/ straw is reliable and effective.