The difference is caused by the absence of ammonia in the disinfectant the NTMWD uses in water treatment. The system uses a disinfectant that mixes chlorine and ammonia, but has removed the latter ...

which uses chlorine and ammonia. This annual change is recommended by the North Carolina Department of Environmental Quality. Folks may also notice a change in how the water looks. The city will ...

A change may be noticeable from March 3 through 31, the water district said. Normally, chlorine and ammonia are added to the water at the district's water treatment plants to maintain water ...