After the wait, connect your garden hose again to the outdoor spigot and run it away from your house—into a ditch, a gravel patch, literally anywhere but your neighbor’s prize petunias. Let it run for an hour or until the chlorine smell is gone. Then go inside and flush every faucet again, repeating the process. This can take two hours or two days depending on how stubborn your well is. Welcome to the world of private water, where you are the city engineer and the janitor.
How to Chlorinate a Well (with Pictures) - wikiHow
Test the water. You can buy a test kit at a hardware store—it’s basically a pregnancy test for bacteria. If it’s still positive, repeat the process. Don’t panic. Wells are like teenage children—they don’t always obey the first time.
