Swimming Pools Articles

  • Connections: Toasty Toes

    After 14 years of living on a houseboat we have now moved into an apartment in a private home. There are many wonderful things about this apartment - the lack of dry rot and any concerns about the wind direction are two of them. Perhaps my favorite is the radiant floor heat. Radiant heat, hot water piped under the floors, keeps your toes and the rest of your body toasty. Water is great for this ...


    By BioCycle Magazine

  • All you want to know about sump pumps

    The weather nowadays is extremely unpredictable. It may be sunny now, and may rain heavily the next instant. Also, occasionally there are weather conditions like rains, hurricanes and storms, which can occur when it is least expected and among all of these, floods are the most common. Floods can be very irritating as the water can flow indoors. In such a condition, a sump pump is necessary in ...

  • DBPs in a chlorinated indoor swimming pool: occurrences and modeling

    Swimming pool water contains higher chlorine residual and is maintained at a higher temperature than tap water. It constitutes environments with high levels of disinfection byproducts (DBPs) in water and air due to continuous disinfection and constant organic loading from the bathers. Exposure to DBPs is inevitable for any bather or trainer while such exposure can have cancer and non-cancer ...


    By IWA Publishing

  • Case study - Synapsys - Making a splash in energy excellence

    Synapsys makes a splash in energy excellence Synapsys, UK leader in developing and supplying innovative communication interfaces for the built environment, is at the high-tech heart of a low carbon leisure centre building which has received a top accreditation for energy saving and attracted half a million visitors in its first year. The £7million new Wolverton Leisure ...

  • Case study - How UV can reduce corrosion in swimming pool structure

    In 1985, twelve people were killed in Uster, Switzerland when the concrete roof of a swimming pool collapsed after only thirteen years of use.  The roof was supported by stainless steel rods in tension, which failed.  The Federal Materials Testing Institute, based in Duebendorf, Switzerland, and the Federal Materials Research and Testing Institute of Berlin concluded that the collapse ...


    By atg UV Technology

  • Reference: It's much nicer to bathe in your own pool

    These days the dream of your own swimming pool is cheaper and easier to achieve than you may think. In a private pool in the picturesque district town of Lörrach, the metering system DULCODOS® Pool Comfort ensures enjoyment in crystal-clear water. More information at ...

  • The best alternative to the protection of the UF membranes - Case Study

    Advance solutions to the recirculation of water in swimming pools. Problem The public swimming pools are continuously used during all the week for many people for making sport, amusement or relax. In these installations, the visual aspect and the sanitary conditions must be guaranteed all the time. In indoor public pools, even with the mandatory previous shower and the use of ...


    By Sistema Azud, S.A.

  • Cryptosporidium; Understanding the Hidden Danger

    Found in water supplies all over the globe, Cryptosporidium outbreaks are now becoming more and more frequent causing severe illness that can be fatal to vulnerable groups such as the young and elderly and in a number of cases has lead to costly and drawn out legal action. The problem is, whilst disinfection with chlorine effectively destroys other pathogens - it takes less than one minute to ...


    By atg UV Technology

  • Reference: Pool fun north of the Arctic Circle

    Refurbishing the water treatment system of a public swimming pool? Not an unusual job. The location of the customer? A small Norwegian island in the Norwegian Sea. The result: clean pool water for modern island dwellers with true Viking blood. New technology for modern-day Vikings The ancient Viking settlement of Bjarkøy, home to nearly 500 people, is situated in the north ...

  • Wafer Thin UV System Lights The Way

    The long awaited ‘Wafer’ design was unveiled in October at Piscina & Wellness in Barcelona, and it comes as no surprise that this revolutionary new range has already had an enormous impact within the wet leisure industry. The inclusion of chemical-free UV disinfection is now becoming standard practise for many aquatic facilities worldwide.  UV systems protect against chlorine ...


    By atg UV Technology

  • Lowara gets Presidential treatment in ‘The Land of Fire’

    The Flame Fountain, Baku Park, Baku, Azerbaijan Azerbaijan has long been called ‘The Land of Fire’ due to the visually stunning natural gas fires which blaze continuously on the hillside of the Absheron Peninsula.This has proved to be the inspiration behind the Flame Fountain sculpture which resembles a vast flame bursting from the Earth’s surface. The Flame ...

  • Variability in 24 hour excretion of cyanuric acid: implications for water exposure assessment

    Cyanuric acid (CYA) excretion in urine has been used to estimate the volume of water ingested during swimming and other recreational activities in outdoor pools containing this chemical. These estimates of water ingestion are based on the assumption of 100% excretion within 24 hours, but the supporting evidence for this is scant. While adapting this methodology to investigate other water ...


    By IWA Publishing

  • A pilot-scale study of Cryptosporidium-sized microsphere removals from swimming pools via sand filtration

    Cryptosporidium species are the most common cause of gastrointestinal illness in treated recreational water venues. In order to protect public health during swimming, Cryptosporidium-sized microsphere removals by high-rate sand filtration with six coagulants were evaluated with a 5.5 m3 pilot-scale swimming pool. A sand filter without ...


    By IWA Publishing

  • Water consumption in a public swimming pool

    Swimming pools are heavy consumers of potable water and energy in cities. Despite this, the lack of monitoring requirements produces a lack of references for their water consumption. This paper aims to fill this gap by presenting a case-study water consumption analysis of a public swimming pool in the city of Bologna (Italy). After upgrading the water fixtures and filters in summer 2012, ...


    By IWA Publishing

  • Cryptosporidium – Understanding the hidden danger case study

    Understanding the problem Found in water supplies all over the globe, Cryptosporidium outbreaks are now becoming more and more frequent causing severe illness that can be fatal to vulnerable groups such as the young and elderly and in a number of cases has lead to costly and drawn out legal action. The problem is, whilst disinfection with chlorine effectively destroys other ...


    By atg UV Technology

  • Modifications for water management guidance based on an assessment of swimming pool water consumption of an operational facility in the UK

    Water use is a significant operational cost factor for large swimming pool facilities, however it has been overshadowed by the recent focus on energy consumption and carbon emissions. Currently, it is difficult for operators to make decisions in relation to water efficiency due to the lack of information about the relationship between pool operation and water use. This study has started to ...


    By IWA Publishing

  • The application of computational fluid dynamics and small-scale physical models to assess the effects of operational practices on the risk to public health within large indoor swimming pools

    Swimming pools provide an excellent facility for exercise and leisure but are also prone to contamination from microbial pathogens. The study modelled a 50-m × 20-m swimming pool using both a small-scale physical model and computational fluid dynamics to investigate how water and pathogens move around a pool in order to identify potential risk spots. Our study revealed a number of lessons for ...


    By IWA Publishing

  • Gas Detection in Public Swimming Pool Facilities

    Recreational facilities’ indoor swimming pools provide a venue for exercise, competition and fun for all ages as patrons splash, swim, dive and float around in the crystal clear water. To keep the water fit to swim in requires a disinfectant maintenance program commonly using Chlorine, or Chlorine and Ozone. Chlorine is a powerful, corrosive disinfectant and in both gas and liquid forms it ...

  • Gas Detection in Recreation Facilities: Can the same detector work for pools and arenas?

    It is not uncommon for the same recreational facility to offer both skating and swimming amenities, two very different environments with different potential gas hazards. Given the fact that there is a possibility of 6 different types of gas to monitor and the large area between the two types of facilities, a single detector will not provide the monitoring requirements for both areas. It is ...

  • An overview of pool and spa regulations in Mediterranean countries with a focus on the tourist industry

    The Mediterranean area is densely populated and a very popular tourist destination. This study aimed at gathering up-to-date information on current national pool and spa regulations. We formulated and duly distributed to 20 Mediterranean countries a questionnaire divided into two sections: for pool and spa facilities, respectively. The questionnaire was formulated in such a way that a positive ...


    By IWA Publishing

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