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Sampling Instructions
Well Disinfection Dir.
VA/FHA Requirements

 

 

 
 Well Disinfection Instructions
 
If your water supply has tested positive for Coliform and or E. Coli. Bacteria, follow steps 1 through 6 below.
  1. Determine amount of water to be treated. If well has a six-inch diameter, it has approximately 1.5 gallons of water per foot. If well has a six-foot diameter, it has approximately 212 gallons of water per foot.
  2. For each 100 gallons of water to be treated, use one pint of household bleach (5.25 % chlorine) or equivalent product. Double the amount of the chlorine if the water is not clear.
  3. Add the appropriate amount of chlorine to the well and allow it to sit in the well for 2 to 3 hours prior to using any water in the house 
  4. Then remove aerators from faucets and run ALL household faucets until chlorine odor is noticed. Turn off water.
  5. Allow chlorine solution to remain in the well and the household lines overnight.
  6. The next morning, run ALL household faucets again until the odor of chlorine disappears. A slight odor may persist for some time.


After following all the above steps, wait 10 to 14 days and have the water tested again to be sure the bacteria is gone before drinking.


 

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