The City of Tulsa announced Monday that the process of adding a secondary disinfectant to the drinking water supply will be complete this month.
Chloramine is already used by many cities including Oklahoma City, Sand Springs and Dallas.
The addition of chloramine meets mandatory EPA regulations that went into effect this year.
Because of the way water is distributed in the city, individual residences will receive the water at different times.
Residents who use dialysis machines or keep fish in tanks or ponds will want to take special precautions.