There can be coliform bacteria in well water when the well is defective. Drinking water should not contain any presence of coliform bacteria for safety reasons, explains the Vermont Department of Health. If coliform bact... More » Science Biology

The symptoms of E. coli infection depend on the particular strain but potentially include mild to severe diarrhea, abdominal cramping and blood in the stool. However, coliforms are a broad class of bacteria that are comm... More » Health Conditions & Diseases Gastrointestinal Issues

Bleach is the suggested method for killing coliform bacteria, which seeps into wells from soil and surface water, according to PennState Extension. Testing water and follow-up prevention is recommended to keep coliform f... More » Home & Garden Cleaning
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Some benefits of well water shocking include the prevention of coliform, iron and sulfur bacteria. Shock chlorination allows for the immediate correction of disease-causing bacteria in the water supply and the removal of... More » Home & Garden Home Maintenance

While many types of coliform bacteria present in well water are harmless, dangerous coliform bacteria cause fever, diarrhea, abdominal cramps and other forms of gastrointestinal upset, according to Penn State College of ... More » Health Conditions & Diseases

Fecal coliform are bacteria that can cause hepatitis, dysentery, cholera, ear infection and typhoid fever, according to the North Dakota Department of Health. The bacteria are commonly found in natural bodies of water, n... More » Science Biology

To treat well water with bleach, use a pump to clear the well of any dirty or cloudy water, and then add chlorine bleach to the well. This bleach is not found in the supermarket and must obtained from a professional who ... More » Home & Garden Home Maintenance Plumbing