Article | May 26, 2017

Myth Vs Truth: "If My Disinfectant Residual Is Always High Enough, I Don't Have To Worry About Microbes"

Source: LuminUltra Technologies Ltd.

By Dave Tracey, LuminUltra


Monitoring disinfectant residuals (i.e. Free and Total Chlorine and/or Chloramine concentration) is one of the most essential practices in drinking water management programs.  This ensures that sufficient protection is maintained at all points in the distribution system.  The absence of a disinfectant residual means that suppression of microbiological growth is much more difficult and the rate of regrowth can be significantly accelerated.  However, does maintaining an adequate disinfectant residual provide enough protection?