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Emergency Disinfection of Wells that have been Flooded Before Disinfection: Check the condition of your well. Make sure there is Materials Needed no exposed or damaged wiring. If you notice any damage, call a professional before the disinfection process. • One gallon of non-scent- ed household liquid bleach; • rubber gloves; Step 1 • eye protection; If your water is muddy or cloudy, run the water from an . old clothes; and outside spigot with a hose attached until the water becomes . a funnel. clear and free of sediments. Step 2 Determine what type of well you have and how to pour the bleach into the well. Some wells have a sanitary seal with either an air vent or a plug that can be removed(a). If it is a bored or dug well, the entire cover can be 42 lifted off to provide a space for pouring the bleach into the well (b). a Step 3 Take the gallon of bleach and funnel (if needed) and carefully pour the bleach down into the well casing. 9� Step 4 After the bleach has been added,run water from an outside hose into the well casing until you smell chlorine coming from the hose. Then turn off the outside hose. Step 5 Turn on all cold water faucets, inside and outside of house, until the chlorine odor is detected in each faucet, then shut them all off. If you have a water treat- ment system, switch it to bypass before turning on the indoor faucets. kk�t Step 6 Wait 6 to 24 hours before turning the faucets back on. It is important not to drink, cook, =bathe or wash with this water during the time period---it contains high amounts of chlorine. Step 7 Once the waiting period is up, turn on an outside spigot with hose attached and ' run the water into a safe area where it will not disturb plants, lakes, streams or septic , tanks. Run the water until there is no longer a chlorine odor. Turn the water off. Step 8 r The system should now be disinfected, and you can now use the water. Step 9 Have your water tested for bacteria 7 to 10 days after disinfection.