Thursday, April 30th, 2020

How does Ultraviolet light disinfect?

Ultraviolet (UV) light is electromagnetic radiation that falls just outside visible violet light. Light visible to the human eye is made of radiation between the wavelengths of 740 and 380 nm. UV light comprises the 400 to 100 nm part of the electromagnetic spectrum, making it invisible to us. Categorically, UV light comprises four types 


Monday, March 30th, 2020

What to do if your UV Lamp breaks

Ultraviolet (UV) light is generated when elemental mercury is vaporized. If a UV lamp breaks, this mercury is released into the surrounding fluid. Although it is a rare incidence, a UV lamp might break due to any one of several reasons, as below: Manufacturing and handling defects Power surges and/or electrical component failures Incorrect UV 


Thursday, March 26th, 2020

Water Hammer: A look at the cause and effect

Water hammer is a hydraulic phenomenon that occurs when flowing water is abruptly stopped by a block in its path. Since water molecules have very limited compression capability, a sudden stop forces the water to move in the opposite direction, which is again slammed forward by incoming water and so on. This repeated banging of 


Thursday, March 12th, 2020

Need Spare Parts? OEM is the way to go

By Saumya Garg Ultraviolet (UV) systems for disinfecting water comprise several crucial parts that keep them running at optimum performance. Equipment maintenance documents that accompany these systems clearly identify these parts and mention replacement and service requirements. Briefly, the parts that require frequent special attention are: UV Lamp – The UV lamp is the most 


Wednesday, March 11th, 2020

Working together for World Water Day 2020

UN’s World Water Day on March 22, celebrates water and raises awareness of the 2.2 billion people living without access to safe water. It aims to trigger actions to tackle the global water crisis. A core focus of World Water Day is to support the achievement of UN’s Sustainable Development Goal 6: water and sanitation 


Monday, March 2nd, 2020

Impact of Water Main Breaks on Hospitals and Care Facilities

A recent Utah State University survey has once again brought to light the failing water infrastructure in North America. Per the survey findings, water main break rates in North America increased by 27% between 2012 and 2018. As many as 14 breaks per 100 miles of water pipelines threaten the day-to-day functioning of public each 


Tuesday, February 18th, 2020

Impact of Water Main Breaks on Drinking Water for Food & Beverage Establishments

In the United States, potable water is supplied to homes and businesses via a network of 2.2 million miles of transmission lines and distribution mains. Given the importance of drinking water, the efficient operation of these pipelines is imperative to not only the normal functioning of our lives but also to maintain our health and 


Monday, January 6th, 2020

Is E. coli losing its reliability as a Fecal Indicator Bacteria?

By Saumya Garg The past 50 years have seen vast changes in the way water has been recycled into our streams, creeks, rivers, estuaries, oceans and lakes. Wastewater treatment has been an essential requirement to maintain the safety and health of not only the environment, but also of the human population. As a result, every 


Monday, December 16th, 2019

Legionella in building water systems (Part 2: Prevention and Control)

By Saumya Garg (Part 1 of this blog discussed Legionella outbreaks and the regulatory environment around the bacteria. In Part 2, we will look at some of the control and prevention tactics utilized by building water management personnel.) To avoid Legionella contamination, the four primary objectives of any building water management personnel are to: Maintain 


Tuesday, December 3rd, 2019

Legionella in building water systems (Part 1: Overview and Regulation)

By Saumya Garg The past few weeks have seen a sudden surge in cases reporting the presence of Legionella bacteria in a variety of water sources, from hot tubs to cooling towers, spread across the country. The cooling towers at the McGuire Veterans Affairs Medical Center in South Richmond, VA tested positive for Legionella bacteria.