If there isn t a pump bail water from the well with a bucket or other device until the water is clear.
Disinfecting well water with bleach.
T he difference between a public private water system is that public water systems are regulated and tested continually.
Disinfecting surfaces with bleach and other disinfecting products is one of the ways to help stop the spread of covid 19 according to the centers for disease control.
To calculate the water depth in well subtract the static water level distance from land surface to the water in the top of the well from the total depth of the well.
Only use regular unscented chlorine bleach products that are suitable for disinfection and sanitization as indicated on the label.
If water is cloudy let it settle.
State and county codes may vary dry granulated chlorine can be dangerous and is not recommended for home owner use 1 use common household bleach as the chlorine source for disinfection.
In applications where it is inconvenient to determine water depth at least gallon of household bleach or gallon of pool chlorine may be used for wells up to 8 in diameter with water estimated to be less.
Then filter the water through a clean.
A 10 step guide.
If you are uncertain use the total measurement of the total well depth.
This table s bleach solution is good for disinfecting a well and the water system in an average home including water pipes water tanks and water heater.
Use only unscented bleach.
The water level is 100 feet below the surface.
If the well is connected to interior home plumbing close valves to any water softener units.
Disinfect water using household bleach if you can t boil water.
One way to ensure the reliability of your well is to test and disinfect your well with bleach every few years.
400 100 300 feet.
If unable to determine the amount of water in the well use the total depth of the well instead.
Use table 2 to determine the amount of liquid household bleach needed to disinfect the well.
How to disinfect a well.
If the amount of water in the well is unknown go to minnesota well index or contact mdh.
American ground water trust 50 pleasant street suite 2 concord nh 03301 4073 this is a general description only.
The amount of bleach to be used in the disinfection process will depend on the water depth inside your well.
Well water and liquid bleach are just not very compatible.
The well is 4 in diameter with a depth of 400 feet.
Use 1 gallons of household bleach.
Remove the cap or seal from the casing and if possible measure the depth of the water in the well and refer to the table in step 10 on page 27 to determine how much sanitizer should be used.
Disinfection does not work as well when water is cloudy or colored.
Private wells are not regulated and left up to the owner to be tested.
Water well disinfection procedureinformation from the.