North Carolina’s water systems face a balancing act between disinfection and pollution management, one threat are trihalomethanes.

That’s because the city is using chlorine-only disinfection during ... Cary: The town of Cary announced it would temporarily stop adding ammonia to its water treatment disinfection process ...

The water will remain safe to drink throughout the process. TWU normally uses chloramine, a mixture of ammonia and chlorine, to disinfect water. Beginning Sunday, May 11, 2025 and for approximately ...