However, measuring or accurately estimating how much contaminant concentration is reduced is not sufficient to demonstrate that water is safe for discharge. Water on Wheels (WOW) mobile water treatment unit featuring activated carbon filtration and chlorination.
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Such on-site treatment systems need to be compatible with potentially enormous volumes of contaminated water.Ī variety of robust, portable and on-demand treatment technologies exist that could potentially reduce high concentrations of toxic chemicals in water. Treatment for homeland security incidents differs, however, in the types of contaminants that can lead to a need to treat the water on-site. Treatment of water related to the response to a homeland security incident can use some of the same technologies developed over the past 100 years for treatment in community water and wastewater system. In addition to managing the contaminated water, approaches are needed to manage the contaminated treatment residuals (e.g., sludges, membranes).
These decontamination operations can produce large amounts of water that must be treated before release to the environment or a wastewater treatment plant.
Response to a wide-area contamination incident will likely require that external building surfaces, roadway, and vehicles be decontaminated. Contamination needs to be flushed from the drinking water distribution system and the resultant contaminated water treated.įollowing a hurricane, flood, or tornado, stormwater and wastewater systems can become contaminated and require treatment, or enhanced treatment, to protect the environment.
Following a natural or man-made disaster, large amounts of contaminated water may need to be contained and treated before safe discharge to the environment or wastewater treatment plant.ĭrinking water could become contaminated from breaks in pipes that allow contaminants to intrude, intentional tampering, or loss of electrical power and pressure resulting in water stagnation and bacterial growth.
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