UV Disinfection Eliminates Chloramine Issue at UK Aquatic Facility

UV technology allows operators to achieve optimum water disinfection without the use of chemicals


The Gloucester Institute of Technology operates an on-campus swimming and leisure facility and required a solution to its poor water quality due to high levels of chloramines, which are the cause of sore red eyes, itchy skin, overpowering chemical smells and is linked to cases of asthma in young children. Eliminating chloramines and maintaining water quality is a challenge for any leisure facility operator.


ATG Evoqua contracted with local engineering consultancy to provide a start-of-the-art UV water treatment system for its on-campus leisure facility. The quick and easy installation of the UV system from the ATG product family will provide protection for the campus pools and spa facilities by allowing operators to achieve optimum water disinfection without the use of chemicals, such as chlorine.

" I have been running an atg UV system in my facility for over 18 months now, and I cannot begin to tell you how easy it has made things from a chemical balance issue. Because of our load, our Combined Chlorine in the form of chloramines had always been a problem, so much so that I had to shock the pool every two weeks. "

Chris Miller, Leisure Manager

Since turning on the UV system, I have not had a need to from a combined standpoint. At the time I had a DPD chemical controller that gave me both free and total chlorine readings on a digital readout that was controlling my chemicals. Once the UV system was turned on, the numbers which were about five tenths apart slowly over the course of a couple of days settled into a consistent 0 to .1 differential. I can‘t tell you the relief I felt to watch the ‘Gremlin’ that had taunted me for the past several years simply disappear.”

The system installed for Gloucester County Institute of Technology was a state-of-the-art Inline ECL dual lamp system. Designed and manufactured in Wigan, Greater Manchester to client specifications such as bather load and pool size, the ECL UV system features an automatic wiper to prevent the build-up of deposits on the quartz tube, protective strainer baskets and UV monitoring to ensure the systems consistently run at an optimum level. UV treatment is an ideal solution for improving swimming pool water and air quality. Using high output UVC lamp technology, Evoqua’s ultraviolet treatment systems break down problem chloramines, resulting in a more pleasant and inviting leisure environment for customers, reducing ‘red eye‘, skin irritations and chlorine smells.

The elimination of chloramines also produces crystal clear, sparkling water and vastly reduces the need for taxing shock treatments and backwashes. Unlike traditional chemical treatments, the effectiveness of UV disinfection is not limited to a select number of microorganisms, and will safeguard against all known bacteria, viruses and pathogens, including organisms such as cryptosporidium which are highly resistant to chlorine.


Results include ease of operation, a reduction in harmful chloramines, superior water quality and improved health and safety.

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