(NC) There’s nothing like a cold, refreshing glass of water. But if it comes from a well, you will want to make sure it’s safe.

Your well water should be free of microorganisms, such as bacteria, viruses or parasites that may cause disease, and from chemicals at levels that may be a risk to your health.

If you have a private well, you should have the water tested to see if there are any problems. Your most important tests look for certain bacteria that tell you there may be disease-causing microorganisms in your water. You should test for these bacteria (E. coli and total coliforms) every six months.

There are also other tests for chemicals and general water quality. Your provincial or territorial drinking water authority or local public health unit can help direct you on what you should test for, how often to test and suggest an accredited laboratory that can do the tests. It’s also a good idea to test your water if you notice changes in taste, smell, colour or in land...