What is... Articles

Water & Wastes Digest is dedicated to the continuing growth and education of the water and wastewater industry. While its print content revolves primarily around technical pieces, new technology and informative applications, this channel of content will serve as a resource to better understand industry terms and concepts. Each article in the What Is series focuses on a singular term to best arm audience members with the knowledge necessary to understand the deeper technical articles and videos we produce. 

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water metering
Photo 172600085 © Istvan Balogh | Dreamstime.com
May 18 2022
Water metering is a way to measure water usage. This guide will explore water metering in detail, including why and how it’s used, the common types…
Apr 27 2022
Carbon adsorption is a method for removing dissolved organic substances, particularly those which cause tastes and odors. What is Carbon Adsorption…
Apr 26 2022
On May 14, 2022, Build America, Buy America will go into effect. This new law governs domestic preferences for iron and steel, manufactured products…
Apr 13 2022
A pump station, otherwise known as a pumping station or a sewage pumping station, is a storage and collection chamber that lifts and distributes…
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Mar 23 2022
Used to stabilize chlorinated solvents, 1,4-dioxane is found in paint strippers, greases, dyes, antifreeze and more. While not regulated by the U.S.…
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Mar 21 2022
Total phosphorus is a measure commonly used in the water and wastewater industry to explain how much phosphorus is present in the liquids of a…
Mar 21 2022
What is 1,4-dioxane? 1,4-dioxane is a synthetic industrial chemical that is miscible in water.  It is a by-product present in items including: paint…
Mar 21 2022
Total phosphorus (TP) is a measure of all phosphorus found in a sample, whether that phosphorus is dissolved or particulate. This is commonly used…
Mar 15 2022
What is Water Tank Storage? Water tank storage is a storage solution for water, used for domestic, agricultural, and industrial purposes. Water…
What is PFAS? Why are PFAS called forever chemicals?
PFAS are a family of man-made chemicals ubiquitous in the environment that are difficult to treat and do not break down easily.
Mar 2 2022
Per- and polyfluoroalkyl substances (PFAS) are a family of man-made chemicals related to several consumer products, most notably Teflon, non-stick…
Feb 28 2022
What is a chlorinator? A chlorinator adds chlorine to drinking water  to eliminate parasites, bacteria, and viruses.  Chlorinators are also used for…
Feb 16 2022
If you have looked at your local area's water quality report, you may have noticed something known as the "maximum contaminant level" or "MCL" for…
Feb 11 2022
What is a CCR?  A consumer confidence report (CCR), also known as an annual drinking water quality report or simply as a water quality report,…
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Jan 31 2022
Check valves are designed to allow flow in only one direction, which makes them particularly important and suitable for water treatment and…
Jan 28 2022
A check valve is a one-way or nonreturn valve that opens with fluid movement and pressure, and closes to prevent backflow of the pressure to upstream…
Jan 13 2022
What is the Clean Water Act? The Clean Water Act (CWA) is U.S. legislation enacted in the early 1970s, and is otherwise known as the Federal Water…
Jan 3 2022
What is the Flue Gas Desulfurization Process? Flue gas desulfurization is the process of removing sulphur compounds from the exhaust emissions of…
Dec 1 2021
An ultrasonic flowmeter measures the velocity of a fluid with ultrasound to calculate volumetric flow.  The sound waves are usually at a frequency…
Nov 17 2021
What is Adenosine Triphosphate (ATP) for water treatment? Adenosine Triphosphate, or ATP for short, is the primary molecule for transferring and…
Non-Potable Water, potable water
Purple pipe is used to denote non-potable water reuse conveyance to ensure it remains separate from potable water.
Nov 3 2021
What is potable water? Potable water is also known as drinking water and comes from surface water and groundwater sources. This water is treated to…
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