Urban water systems face numerous challenges, from contamination risks to the growing demand for safe, potable water. UV-LED water treatment technology addresses these issues by providing a robust, efficient, and environmentally friendly solution. This technology harnesses the power of ultraviolet (UV) light-emitting diodes (LEDs) to disinfect water, effectively eliminating pathogens and ensuring a reliable supply of clean water for urban populations.
UV-LED water treatment works by emitting UV light at specific wavelengths that disrupt the DNA of microorganisms, rendering them inactive and unable to reproduce. Unlike traditional mercury-based UV lamps, UV-LEDs do not contain hazardous materials and boast a longer operational lifespan. The compact size and durability of UV-LEDs also allow for greater flexibility in installation, making them suitable for various applications, from municipal water systems to portable water purification devices.
As urban areas continue to expand, the demand for safe and sustainable water solutions grows. UV-LED water treatment offers a low-maintenance and energy-efficient alternative to conventional methods, reducing the reliance on chemical disinfectants and lowering operational costs. Additionally, the scalability of UV-LED systems means they can be adapted to fit the needs of small communities or large metropolitan areas, providing a versatile tool in the fight against waterborne diseases.
Moreover, the environmental benefits of UV-LED water treatment are substantial. By eliminating the need for chemical additives, this technology helps reduce the ecological footprint of water treatment processes. Furthermore, the energy efficiency of LEDs contributes to lower greenhouse gas emissions, aligning with global efforts to combat climate change. As cities strive to become more sustainable, the adoption of UV-LED water treatment systems can play a crucial role in achieving these goals.
United States · Company
The global leader in UV-C LED systems design and manufacture for water, air, and surface disinfection.
Typhon Treatment Systems
United Kingdom · Company
Develops and supplies large-scale UV LED water treatment equipment for municipal water utilities and industrial applications.
United States · Company
A manufacturer of high-performance UVC LEDs (Klaran) used for disinfection in water and air applications.
A leading UV LED manufacturer known for its Violeds technology used in sterilization and purification.
Sweden · Company
Develops and manufactures intelligent water purification products based on UVC-LED technology.
Japan · Company
A major industrial technology company that manufactures deep UV-LEDs and water sterilization modules.
United States · Company
Specializes in high-power UV LED solutions for disinfection, curing, and medical applications.
A global nonprofit dedicated to the advancement of ultraviolet technologies for public health and the environment.
Paper
Ultraviolet light-emitting diode (UV-LED) water disinfection photoreactors: A reviewJournal of Environmental Management · Jun 1, 2025
Reviews emerging UV-LED reactors, discussing reactor kinetics, radiation distribution, hydrodynamics, and design parameters for implementation in water treatment systems.
Paper
Comparison of two different container designs and UV-C LED configurations in their drinking water disinfection efficiencyFrontiers in Water · Aug 4, 2025
Investigates UV-C LED configurations for household water containers, achieving 4-log inactivation of MS2 coliphages, demonstrating potential for decentralized urban or household water treatment.
Article
Application of Ultraviolet Light-Emitting Diodes (UV-LED) to Full-Scale Drinking-Water Disinfectionmdpi.com
Ultraviolet light-emitting diodes (UV-LEDs) have recently emerged as a viable technology for water disinfection. However, the performance of the technology in full-scale drinking-water treatment systems remains poorly characterised. Furthermore, current UV disinfection standards and protocols have been developed specifically for conventional mercury UV systems and so do not necessarily provide an accurate indication of UV-LED disinfection performance. Hence, this study aimed to test the hypothesis that a full-scale UV-LED reactor can match the Cryptosporidium inactivation efficiency of conventional mercury UV reactors. Male-specific bacteriophage (MS2) was used as the Cryptosporidium spp. surrogate microorganism. The time-based inactivation efficiency of the full-scale reactor was firstly compared to that of a bench-scale (batch-type) UV-LED reactor. This was then related to mercury UV reactors by comparing the fluence-based efficiency of the bench-scale reactor to the USEPA 90% prediction interval range of expected MS2 inactivation using mercury UV lamps. The results showed that the full-scale UV-LED reactor was at least as effective as conventional mercury UV reactors at the water-quality and drive-current conditions considered. Nevertheless, comparisons between the bench- and full-scale UV-LED reactors indicated that improvements in the hydraulic flow profile and power output of the full-scale reactor could help to further improve the efficiency of UV-LED reactors for municipal drinking water disinfection. This represents the world’s first full-scale UV-LED reactor that can be applied at municipal water treatment works for disinfection of pathogenic microorganisms from drinking water.
Article
WORLD’S LARGEST MUNICIPAL UV-LED INSTALLATION MOVES FORWARDSaquatechtrade.com
UK water company United Utilities is deploying the first municipal scale UV-LED system from start-up Typhon Treatment
Article
World’s first municipal scale UV LED water treatment projectenvirotecmagazine.com
Typhon Treatment Systems, a UK‐based manufacturer of Ultraviolet (UV) Light Emitting Diode (LED) water treatment equipment, has won an order to install its innovative technology at a 28 megaliter‐per‐day (mld) drinking water treatment plant in the Northwest of England. The facility, owned by regional water company United Utilities, will be the first location in the world to install municipal‐scale UV LED water treatment technology. The energy‐saving, low maintenance, mercury‐free equipment is being installed to upgrade the plant’s ability to treat for chlorine‐resistant pathogens like cryptosporidium.
Article
Want Clean Water? Turn on the Lightsscientificamerican.com
The Big Apple wants to use the sun's power to provide clean drinking water for its nine million residents without adding more of the potentially harmful chlorine it uses as a disinfectant. More specifically, New York City officials are building a water disinfection facility some 30 miles (50 kilometers) north of Manhattan on a 153-acre (62-hectare) property in the Westchester County towns of Mount Pleasant and Greenburgh that will use ultraviolet (UV) light to destroy water-borne pathogens such as Escherichia coli, giardia, and cryptosporidium in reservoirs that serve city dwellers.
Article
UV-C LED: A Potentially Revolutionary Water Disinfection Technologyfreedoniagroup.com
In recent decades, ultraviolet (UV) disinfection has become an appealing technology in the global water treatment industry due to declines in UV equipment costs and increased concerns about chemical disinfection. Although UV disinfection typically employs a conventional mercury vapor lamp, a relatively new technology is poised to make that lamp a thing of the past: the UV-C light-emitting diode (LED). The UV-C LED operates in the so-called C range of the UV spectrum, with a wavelength from 100 to 280 nanometers. In this range, UV light has germicidal properties, making it ideal for water disinfection.
Article
LG Innotek Introduces Most Powerful UV-C LED for Water and Air Disinfectionledinside.com
LG Innotek, UV LED partner of LASER COMPONENTS, announces the first 70mW UV-C LED in the world. At 278nm, it features the highest power ever achieved from a single chip.
Article
Can you kill coronavirus with UV light?bbc.com
There’s only one type of UV that can reliably inactivate Covid-19 – and it’s extremely dangerous.
Article
RayVio Shows UV-C Dosing as Highly Effective for Water Sterilizationprnewswire.com
RayVio demonstrates value for consumer applications such as humidifiers and water pitchers as it continues to lead in UV-C LED lifetime and performance.
Article
TECH DIVE: WILL LEDS BECOME THE TESLA OF THE UV SECTOR?aquatechtrade.com
Light-emitting diode (LED) technology has been promising to disrupt the traditional ultraviolet (UV) lamp disinfection market for years. Will 2019 finally be the year when UV-LED can be proved at scale? This article investigates UV light for water purification.
Article
WATER TREATMENT: OUR ESSENTIAL GUIDE TO WATER TREATMENT TECHNOLOGYaquatechtrade.com
Water treatment and water treatment technologies are an essential line of defence to remove contaminants and bacteria before the delivery of clean, potable water supplies for consumption. Water sources can be subject to contamination and therefore require appropriate treatment to remove disease-causing agents. Public drinking water systems use a variety of methods to provide safe drinking water for their communities. Depending on the continent, country and region, different water treatment systems may be in operation depending on regional regulations and raw water input. The following article provides an overview of the basic principles of water treatment and the processes and technologies involved.
