U.S. National Whitewater Center resumes whitewater operations Wednesday

- The U.S. National White Water Center rapids are expected to reopen Wednesday morning. 

This news comes after the channel was drained and treated to kill a brain eating amoeba found in the water. The amoeba is said to be responsible for the death of an 18-year-old girl from Ohio. 

With this opening, the Whitewater Center said they're now working with a new treatment system. 

The Health Department said this new system should kill off any potential amoebas. 

The primary components of the USNWC water quality management program are as follows:

Filtration: Filtration is the mechanical removal of contaminants from the water stream and the primary physical barrier to contaminants, helping achieve water clarity and reducing favorable living conditions for microorganisms.  The USNWC uses a spin disc filtration system that is capable of treating almost 13 million gallons every day.

Disinfection: This is the effort to kill, remove, or inactivate pathogens to acceptable levels. Three parallel sanitation systems are now in place at the USNWC designed to operate on a constant basis.

  • Chlorine– The USNWC now utilizes an automated chlorine injection system that doses the amount of chlorine necessary to maintain a .5ppm level of free chlorine in the water. A pool typically uses 1ppm of free chlorine and that is almost always their exclusive means of disinfection.  The USNWC uses less chlorine than a pool because; a) a pool is largely contaminated by a heavy bather load, and b) we utilize two additional forms of disinfection.  The goal is to use only the necessary amount of chlorine since it is a chemical.
  • Ozonation-The USNWC has also added this water treatment method which uses an advanced oxidation process where ozone (O3) attacks a wide range of organic compounds and all microorganisms. This form of disinfection is rarely used in pools since it is a complex process, but it is commonly used in the drinking water purification process in Europe and is becoming more common in the US.
  • UV Irradiation– This is the use of ultraviolet light waves that inactivate microorganisms and bacteria. This is a non-chemical means of disinfection that is very common used in the municipal water systems.  The UV system at the USNWC is capable of treating over 12 million gallons every day.

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