How long does it take to flush a well with bleach?
Flush the toilets one at a time. If a strong chlorine odor cannot be detected at each faucet and toilet, pour an additional 3 pints of bleach into the well and try again. FLUSH AND FINISH: Turn the pump circuit breaker off, return the well cap or put the cover back in place. Allow chlorinated water to remain in the system for 12 to 24 hours.
How long does it take to clean a well?
When you see the level of chlorine is strong enough, wash the inner walls of the well with the hose. Replace the well cover when you are done. Note: a shallow well’s circulation will take 30 minutes, whereas, a drilled deeper well can take a couple of hours.
How many gallons of water should be flushed from a well?
A minimum of 2,000 gallons of water (20 casing volumes times 100 gallons) should be flushed from the well. In some cases, allowing water to discharge from a garden hose for 24 hours can correct contamination problems. In some cases, flushing without further chlorination has been effective in correcting contamination problems.
What is flushing a well?
Flushing is a normal part of the development of a newly constructed well and the preparation of an existing well before chlorine treatment. Flushing a water supply after treatment with chlorine is required to remove the chlorine residual from the well. Install the pump as close to the bottom of the well as possible during the flushing stage.
How long after shocking a well can you drink the water?
Wait one to two weeks after shock chlorinating the water supply system to retest for total coliform and E. coli bacteria. Follow sample collection instructions carefully. If the test results show the absence of coliform bacteria, the water is safe to drink.Dec 17, 2012
How do I flush my well?
3:255:09How to Disinfect Your Well - YouTubeYouTubeStart of suggested clipEnd of suggested clipThen turn the faucets off and shut off the water supply to all toilets. Let the bleach remain in theMoreThen turn the faucets off and shut off the water supply to all toilets. Let the bleach remain in the system for 12 to 24 hours 24 hours is best after 12 to 24 hours flush.
How long does it take to get bleach out of the well?
Discharging the Chlorine Keep up this process until all of the chlorine is absent from your well. This process can take 2-3 days.
How do you backflush a well?
Open the valve assembly. Raise the block slowly and quickly lower it back into the well so it draws water and releases it into the joined tubing. Continue this process so water flows into the tubes. Raise the pipe slowly but lower it into the well quickly.Sep 26, 2017
How much does it cost to shock a well?
Cost of the shocking well range between $60 to $100. The cast varies depending on where you live. Do yourself method will reduce the expense significantly. You need Chlorine, 10 gallons bucket, and safety gear.
How much bleach does it take to shock a well?
4) Work out how much bleach will be needed: For every 50 gallons of water in the well use one quart of laundry bleach - (4 quarts in a gallon). Do not use excessive amounts of bleach - more is not more effective.
How to shock chlorinate a well?
Step 1. Determine the amount of chlorine bleach needed to shock chlorinate the well. This process disinfects the well components and the soil surrounding the well. Chlorine laundry bleach can be used in this process. The amount of bleach used is based on the diameter of the well casing and the depth of the well, ...
How to clean a well with chlorine?
Pour the bleach into the well after the water system is reassembled and ready to operate. Use a garden hose to wash the bleach down the well by running the water down the well. Continue this process until a strong smell of chlorine is evident from the water coming from the garden hose. Run water from all the outlets in the water system until the smell of chlorine is evident at each. At this point, all the water in the water system contains the antibacterial chlorine. Leave the chlorinated water in the system for up to 24 hours, suggests the Ohio State University Extension.
What to do if bacteria are still present in water?
If bacteria are still present, the system may need to be shocked and flushed again. Persistent bacterial problems may require systems that continuously treat the water as it passes through the system. Tip. The sanitizing and flushing process usually includes the use of water softeners and water filters.
How long does chlorine stay in water?
At this point, all the water in the water system contains the antibacterial chlorine. Leave the chlorinated water in the system for up to 24 hours, suggests the Ohio State University Extension.
Why is my well contaminated?
Water wells occasionally can be contaminated as a result of flooding or other natural occurrences or due to well repairs. Removing and replacing well components offers an opportunity for contamination to occur. The process of getting the well back into use involves shocking the well with chemicals and flushing the entire system.
How to get rid of chlorine smell in septic system?
Flush the chlorine-laden water from the system. Run water from each outlet in the home until the water has no noticeable smell of chlorine. Homes that use a septic system may wish to divert the water outdoors to avoid overloading the system.
How long does it take to for chlorine to leave your plumbing after shock chlorination?
Once the chlorine has been circulated through a well the flushing process has begun, it will take between an hour and an entire day for all of the chlorine to leave the well. The wide discrepancy between times is due to the many differences between individual wells—mostly their depth.
How long should you wait to use water after you chlorinate a well?
As said above, it might take anything from 30 minutes to 24 hours to remove all of the chlorine from a well. After that, you’ll need to wait a little longer to ensure that chlorine has had enough time to circulate and flush from your home’s plumbing.
How long does it take to flush chlorine out of a well?
►Run a garden hose from an outside faucet or yard hydrant to flush the chlorine out of the system. It can take 30 minutes to 24 hours or more to flush all of the chlorine from the well.
What happens if you don't disinfect your well?
Disinfecting with a strong chlorine solution can dislodge this scale and plug or damage your pump, and/or cause problems elsewhere in the plumbing system.
How to disinfect a water softener?
To thoroughly disinfect the softener after all the chlorine is flushed from the system, add one-half cup bleach to the softener’s brine tank and run the unit through a regeneration cycle immediately .
How much bleach should I use for a well?
The table below indicates the amount of laundry bleach (6.0 percent sodium hypochlorite or 5.7 percent available chlorine) that should be used for well disinfection. ► For wells greater than 100 feet deep or with well casing diameters greater than 6 inches, mix the bleach with 2 gallons of water.
What is the best solution for disinfecting a well?
► In situations where an initial disinfection has not worked, where there is considerable iron or other solids in the well, or where there is a significant nuisance bacteria problem, a more concentrated chlorine solution may be used.
What is recirculating water?
► Recirculating the chlorinated water mixes the water column thoroughly and distributes the chlorine. It helps to wash down the inside sidewalls of the well casing, pump wires, and drop pipe.
How long after a water sample is taken should you take another sample?
After receiving the results of a satisfactory sample analysis, take another water sample approximately 30 days after the first sample and have the water retested.
How many gallons of water is in a 425 ft well?
IF (and this is not quite the case) your 425 ft. well were completely full of water and assuming it's a 6-inch casing, that's about 640 gallons of water in the well, plus additional water volume in the piping system.
How long does it take to retest water after chlorine?
Retest the well water after all the Clorox or chlorine is out of the system and the water has been used for 5-7 days (typical health department guideline) or 7-10 days (my suggestion) after the disinfection.
How to achieve a satisfactory disinfection of the system?
In order to achieve a satisfactory disinfection of the system, the bacteria must be brought in contact with a chlorine solution of sufficient strength and remain in contact with that solution for a sufficient time to achieve a complete kill of all bacteria and other microorganisms .
What is shock disinfection?
The purpose of shock disinfection of a well system is to destroy bacterial contamination present in the well system at the time of disinfection and is not intended to kill bacteria that might be introduced at a later time.
How high is the column of water in a well?
If the static head in your well - the height to which water reaches when the well is at rest, fully recovered - is just 35 feet, that means that the height of the column of water in the well is just 35 feet.
Can you flush out a well after a failed bacteria test?
In the main article explaining how to shock and flush out a well following a failed bacteria test you will see several Watch Out: warnings that include discussion about problems that can arise during the bleach flush-out process. Here we'll add some more detailed suggestions that can help address the worry of running out of well water during well shocking and flushing.
Can you put Clorox in a well?
Pour Clorox™ Bleach (or an equivalent brand of household bleach) or hypochlorite granules down into the well. Some people use swimming pool chlorine tablets which have the advantage that they sink to and sterilize water at the well bottom, and the disadvantage that it takes longer to flush out the chlorine.
How long does it take to clean a well?
Replace the well cover when you are done. Note: a shallow well’s circulation will take 30 minutes, whereas, a drilled deeper well can take a couple of hours.
How long should I leave a hose on a well?
Faucets or screens could be clogged. Get them checked as well. If the water pressure is below 20 psi, shut off and leave the hose for about half an hour. If the pressure does not return, you should contact a professional immediately. All in all, you have everything you need to know about the chlorinating your well.
How long does it take to remove chlorine from water?
Remember, removing chlorine from your water supply is going to take time. It is a slow process, so do not be surprised if you have chlorinated water for two or even three days. If need be, repeat the process of opening all the faucets in your home, so that fresh water replaces treated water.
How to make a well with chlorine?
Understanding the Chlorination Process. After opening the well cover, you need to pour the bleach into the well. While doing so, make it a point to cover the walls of the well with chlorine . If your well has a cartridge filter, keep a new one handy because the one there will clog up pretty quickly. Once that is done, connect a garden hose to ...
How long can you bathe with chlorinated water?
Before you go about chlorinating your well water, it would be wise to take care of the following tasks beforehand: You cannot bathe or take care of laundry with chlorinated water for 24-hours, and in some cases, days even. When it comes to the bleach itself, make sure you get unscented bleach used in households.
How to chlorinate well water?
Before you go about chlorinating your well water, it would be wise to take care of the following tasks beforehand: 1 Deal with household laundry 2 Take a proper bath and shower 3 Determine the amount of beach that will be required using the following formula:
Does chlorine damage a well pump?
As long the water keeps flowing, it will not damage your pump. Monitor the chlorine levels in the water, and after some time, you should see them go down until there isn’t any no more. Freshwater will enter the well, diluting it in the process. Keep discharging until you are certain there is no trace of chlorine.
How long after shock chlorination can you drink water?
Wait one to two weeks after shock chlorinating the water supply system to retest for total coliform and E. coli bacteria. Follow sample collection instructions carefully. If the test results show the absence of coliform bacteria, the water is safe to drink.
How big is a well pipe?
The inside diameter of the casing (well pipe) of a drilled well is typically between 4 and 10 inches. Bored wells are larger, ranging from 12 to 36 inches.
How long does chlorine kill bacteria?
Chlorine should have enough contact time to kill the bacteria. Make sure that no one in your home uses the water for any purpose during the 12 to 24 hour treatment. Preventing electric shock from the water pump. Before removing the well cap or cover, turn the pump circuit breaker off.
What is shock chlorination?
Shock chlorination is the process by which home water systems such as wells, springs, and cisterns are disinfected using household liquid bleach (or chlorine). Shock chlorination is the most widely recommended means of treating bacterial contamination in home water systems.
How to get rid of chlorine smell in well water?
Using the hose, wash down the interior of the well casing for about 15 minutes and close the outdoor faucet. CIRCULATE: Allow the solution to circulate throughout the system.
Why is my well water cloudy?
whenever the well is surrounded by flood waters (standing water around or covering the well casing) if well water becomes muddy or cloudy after a rain. if the well has iron bacteria or sulfur-reducing bacteria symptoms like slime (biofilm) or odor.
When is shock chlorination recommended?
Shock chlorination is recommended: upon completion of a new well or when an unused well is returned to service. if annual water test results indicate the presence of bacteria. if a well system is opened for any installation, repair or maintenance.
How much pressure does a 3/4 HP well pump have?
since the well is a flowing artesian, unless you are pumping the water a significant elevation, there is almost no head pressure on the pump. a 3/4 hp 7 gpm pump will pump around 15 gpm with no head pressure, which is WAY too much (according to a j class sandhandler curve chart).
Should you clean out your well after drilling?
Anyway, your well driller should have cleaned out your well with air pressure after drilling.. About all you can do at this point, is to run the water near the well as much as possible till it clears up.

A Comprehensive Guide to Shocking Your Water Well
Procedure For Disinfection of The Well and Water System
- The following procedure is for a well that has a submersible pump with either a removable well cap or a well seal with a threaded plug in it. See STEP 4 to determine whether you have a well cap or a well seal. If the well has a sanitary seal, this procedure can only be attempted if a removable threaded plug in the sanitary seal allows access into the well. If your well has a type of pump oth…
Procedure For Disinfection of Water-Using Devices
- ► Water softeners, water treatment equipment, and water-using devices, such as dishwashers and washing machines should be disinfected according to the information provided by the manufacturer or contractor who installed it. If this information is not available, see the blog post on disinfecting water system components. ► If the disinfection information is unavailable, the f…