Recent Examples of trihalomethane from the Web
Until several months ago, customers received notices on the back of their water bills stating that their water had been tested and found to be above federal limits of trihalomethanes and haloacetic acids.
The quality of the city’s drinking water has been a hot-button issue since routine testing in Nov. 2016 revealed elevated levels of trihalomethane, a disinfectant by-product.
Unhealthy levels of trihalomethanes, or TTHMs, were reported by water utility companies in Wellington, Munroe Falls and Ravenna.
The total trihalomethanes group includes four chemicals: chloroform, bromodichloromethane, dibromochloromethane and bromoform.
The water also contains trihalomethanes at levels well below federal regulatory standards, but above a health guideline standard.
And then there’s a group of four cancer-causing chemicals called trihalomethanes that form when organic matter in the water reacts with chemicals used to disinfect it.
The chemicals are known as trihalomethanes, or TTHMs for short.
The East Bay Municipal Utility District reported Tuesday that concentrations of trihalomethanes, a byproduct of chlorine disinfectant and organic matter in water, have risen sharply since 2015.
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