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Audience: Technical/Installer

  • General Guidance for Water Treatment Professionals on Proper Maintenance of Treatment Systems as Shelter-in-Place Orders are Lifted

    This document provides general guidance and information for water treatment professionals who may be called upon to assist customers with bringing vacant buildings back online, such as when the Shelter-In-Place orders due to COVID-19 are lifted. It addresses the activities necessary to bring the potable water supply treatment systems (treatment systems) in the building back…

  • Bacteria & Virus

    Microbial and organic contaminants can’t always be detected through sight, smell or taste. You might go years before realizing a problem exists.  Although some waterborne microbes can cause illness, many microbes are harmless or even beneficial. Very small levels of microbes are naturally present in many water supplies, but some are more dangerous than others.…

  • Emerging Contaminant Removal and Microbial Growth in Membrane Filtration and Activated Carbon POU Systems

  • Brazil Country Profile

    The WQA Brazil Country Profile contains information on regulatory bodies, standards, acredidation, legislation and other useful information and tools. Regulations and laws change from time to time; therefore, it is important to make sure you have the most current version of the legislation or regulation before relying on them. Nothing herein shall be interpreted as…

  • Reduction of Chloride to Wastewater Treatment Plants

    Chloride is a significant threat to freshwater ecosystems, and as such is addressed in wastewater discharge regulations. Chloride cannot be removed using standard wastewater treatment technology; therefore, chloride that arrives in wastewater passes through treatment plants and enters natural water bodies as treated effluent. The main goal of this project was to determine if reducing…

  • Hurricanes and Drinking Water: What You Need to Know

    Hurricanes pose a major threat to the safety of drinking water. During and after flooding, water can become contaminated with microorganisms such as bacteria, sewage, heating oil, agricultural or industrial waste, chemicals and other substances that can cause serious illness. It is important to know what precautions can be taken to protect yourself from the…

  • Boil Water Notice Brochure

    Treatment for microbial contamination may be applied either where the water enters the home (point of entry) or at the point where drinking water is drawn (point of use). Consumers may boil their water or install a point-of-use or point-of-entry water treatment system certified for total microbial (e.g., bacteria, viruses and protozoa) reduction. If you have a POU or POE treatment system already in…

  • Flooding Precautions Fact Sheet

    Water may not be safe to drink, cook or clean with after an emergency such as a flood. During and after flooding, water can become contaminated with  microorganisms such as bacteria, sewage, heating oil, agricultural or industrial waste, chemicals and other substances that can cause serious illness. People with private drinking water wells in flooded areas can take precautions and…

  • Manganese FAQ

    Manganese is a mineral that is found naturally in the environment and is one of the most abundant metals on the earth’s surface, in air, water, and soil. It can be found in both groundwater and surface water from natural sources or as a result of human activity such as mining and industrial discharges.  …

  • Flouride Fact Sheet

    Fluorine is a natural trace element and exists in almost all soils. Fluoride is classified as any binary compound of fluorine with another element. Perhaps the most widely known use of fluoride is its addition to public drinking water supplies at about one milligram per liter (mg/L) of a fluoride salt, measured as fluoride, for…