Click âDisease of the Week,â find rotavirus, and take the quiz to test your knowledge! Rotavirus is a contagious virus that can cause gastroenteritis (inflammation of the stomach and intestines). Symptoms include severe watery diarrhea, often with vomiting, fever, and abdominal pain.
The odor of hydrogen sulfide gas can be detected in water at a very low level. Smell the water coming out of the hot and cold water faucets. Determine which faucets have the odor. The rotten egg smell will often be more noticeable from the hot water because more of the gas is vaporized.
The smell of sewage is likely caused by bacteria in your drain producing gases that arise when the faucet is turned on. Hydrogen sulfide is the gas most likely to cause this smell. It is commonly caused by bacteria that forms in your hot water heater when it is run at low temperatures or turned off for a period of time. Hydrogen sulfide can be smelled at levels as low as .5 parts per million.