Chlorine and Chloramine Removal

Removal of chlorine from water is extremely important to protect the health of animals and aquatic life in zoos and aquariums.  While chlorine, as a disinfectant, is necessary to protect the health of swimmers, bathers and patrons of pools, spas and other indoor facilities; the chloramines created during the chlorine disinfection process can pose serious health risks.


Protecting the health and safety of humans and animals is what chlorine and chloramine removal is all about.  With the proper technologies and environmental management systems, everyone can be happy and safe.

Aquatic Water Treatment

Chloramine Removal – Pools, Spas, Indoor Facilities

Chlorine is an effective disinfectant, killing algae, mold and bacteria that can cause illnesses.  But, the chemical reaction between chlorine and naturally occurring organic matter in the water form new chemical compounds called disinfection by-products.  These disinfection by-products, primarily chloramines, have their own set of potentially dangerous health effects.  The presence of chloramines is immediately recognizable in the familiar “pool smell” as they build up in the water and become air borne.  Symptoms of over exposure are irritation to eyes, nose, mouth and/or lungs.

Ultraviolet light (UV) systems from Evoqua are the technology of choice for aquatic facilities.  UV light has the unique ability to decompose chloramines to harmless compounds while also providing additional disinfection power without chemicals.  When UV light systems are installed in the circulating water piping, the water and air quality are improved.  Additionally, operating costs and risks for the facility owners are reduced.

UV light systems:

  • Improve air quality by eliminating chloramines
  • Reduce HVAC costs with improved air quality
  • Reduce corrosion and damge to structures and electronics
  • Reduce cost of normal chlorine consumption
  • Reduce cost and need for super chlorination or “shock treatments” 


For more answers to your aquatics application questions, please visit:


Systems Management

Water Quality Analysis and Control

Chlorine Removal – Aquariums and Zoos


Chlorine is an effective disinfectant, killing algae, mold and bacteria that can cause illnesses.  Used in many public water supplies to protect human health and within large facilities to inhibit growth of microorganisms, chlorine is harmful to aquatic life and animals in general.  Maintaining the proper environment in aquariums; chemistry, clarity, temperature, and pH is required to provide a safe environment for the inhabitants, but also to provide an enjoyable experience for visitors.


Activated carbon systems from Evoqua are the technology of choice for removing chlorine, organics and others impurities to improve the water quality in these facilities.  When activated carbon systems are installed in the incoming water to aquariums and zoos, chlorine and organic compounds are removed from the water by adsorption onto the granular activated carbon media.


After a period of time, the activated carbon will need to be removed and replaced with new activated carbon. The level of chlorine and organics in the water, combined with the flow rate and backwash frequency, will determine this time span.  Evoqua provides maintenance and operating services to help you with this procedure in some countries and can even provide mobile treatment for emergency or temporary solutions.

Chlorine and Chloramine Removal Technologies for Your Wastewater Applications
Granular Activated Carbon
Chemical Feed and Disinfection

Watch our Video to Learn More

Siemens Video

Chlorine and Chloramine Removal Case Study

NCAA Diving Champions Breathe Easier

Texas A&M University in College Station, Texas is the second school in NCAA history to host the NCAA Division I Men and Women’s Swimming and Diving Championships in successive weeks during March 2009.

The Student Recreation Center has four pools and three spas onsite. The center was built in 1996 and is heavily used throughout the day. Currently there are 19,000 swimmers who monthly utilize the three pools and two spas housed within the Student Recreation Center Natatorium and the Center’s outdoor instructional pool and cool spa. In addition to the Men and Women Dive teams’ daily practices and competition diving events, the pools and spas are also used for other swimming programs such as water aerobics and scuba diving.

After 15 years, the university decided it wanted to improve the air quality in the natatorium and upgrade its facility with leading-edge technology.

The university already had a working relationship with Evoqua and knew the quality of its products and performance which helped to influence its decision when the time came to look at upgrading its facility.

Read Full Case Study

Chlorine Removal at Texas A&M University

Chlorine and Chloramine Removal Products and Services

Chlorine Removal
Granular Activated Carbon
Maintenance and Operating Services

Chloramine Removal

Barrier® UV Systems
Disinfection and Control Solutions Brochure

Chlorine and Chloramine Removal Case Studies

Chlorine Removal
Georgia Aquarium

Chloramine Removal
Bad Air Bad Water
(Reprinted with permission of Parks & Recreation magazine, National Recreation and Park Association.)
UV Disinfection System Helps Big Ten University Improve Air and Water Quality in Natatorium
Pool Facility Cuts Chloramines by 75% and Saves Nearly 1 Million Liters of Water per Year

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