How to calculate the volume of Shock chlorination?
After determining the tank, well, and/or pipe water volume, you can input that value (in gallons) in the Shock Chlorination Calculation tool (xls) in the yellow-highlighted cell labeled “Volume to be disinfected =”. Entering or changing the tank volume will automatically update the values under the “Chlorine Source Material…”
Why do you need a shock chlorination system?
This procedure is to assist water system operators in shock chlorination and includes a Shock Chlorination Calculation tool (xls) for disinfecting drinking water storage facilities. For more information about this procedure, please contact Drinking Water Services (DWS).
How much chlorine do you need for shock disinfection?
Confirm that the chlorine residual is <4 mg/L. Disposal should conform to Oregon Department of Environmental Quality requirements (pdf). Warning: Bleach used in this disinfection process must be flushed thoroughly from all service lines. This procedure is for shock disinfection only, and should not to be used on a regular basis.
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What kind of chlorine can you put in a storage tank?
An easy-to-use NSF-certified chlorine bleach is chlorine granules with no additives. This type is calcium hypochlorite and can be mixed with warm water and put into storage tank. Do not use dry powdered pool chlorine, sometimes known as Tri-Chlor in your storage tank or well water.
After determining the tank, well, and/or pipe water volume, you can input that value (in gallons) in the Shock Chlorination Calculation tool (xls) in the yellow-highlighted cell labeled “Volume to be disinfected =”. Entering or changing the tank volume will automatically update the values under the “Chlorine Source Material…”
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How to prepare a well for Shock chlorination?
If there is a water softener in the system be sure that the resin is fully recharged. 2. Remove the well sanitary cap. The well casing contains wiring for the pump. Before adding chlorine or water inspect the wiring for cracks in the insulation or splices with wire nuts that are not waterproof.
Why do you need to shock chlorinate your water pump?
Other bacteria such as iron and sulfur bacteria, while not a health threat, can produce obnoxious odors, tastes, and color, and can cause plugging problems in pump and water systems. Shock chlorination can eliminate the disease-causing bacteria and other nuisance organisms that cause tastes, odors, and slime.
Are there any side effects of Shock chlorination?
Recent research (see the publication by R. Seiler, under “Additional Resources”) has shown that shock chlorination may temporarily increase the concen- tration of some chemicals in water, such as lead and arsenic.