Topic: Contaminants
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Do Your Homework on Treating Lead in Schools and Daycares
David Cwiertny, PhD, Professor of Civil and Environmental Engineering at the University of Iowa, facilitates this webinar, which looks at lead in drinking water, surveying work conducted by the Center for Health Effects of Environmental Contamination (CHEEC) and the Get the Lead Out Iowa program at the University of Iowa. The presentation focuses on risks…
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Private Well Testing and Disclosures
This report includes regulations WQA is aware of pertaining to state private well programs and private well testing requirements. 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 regulations before relying on them. Nothing herein shall be interpreted as…
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Ammonia Fact Sheet
Ammonia is a colorless, pungent gaseous compound of hydrogen and nitrogen that is highly soluble in water. It is a biologically active compound found in most waters as a normal biological degradation product of nitrogenous organic matter (protein). It also may find its way to ground and surface waters through discharge of industrial process wastes…
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Aluminum Fact Sheet
Aluminum is an extremely abundant metal in the earth’s crust and is often found in the form of silicates such as feldspar (KAlSi3O8). The oxide of aluminum known as bauxite (Al2O3·nH2O) provides a convenient source of uncontaminated ore. Aluminum can be selectively leached from rock and soil to enter any water source. Al3+ is known…
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Research and Fact Sheets
WQA’s Technical Fact Sheets provide an overview of common and high-profile water issues. They include explanations of health effects, treatment method comparisons, discussion on regulations, and reference lists to dig up even more information at your leisure. Contaminants Common Technologies Granular Activated Carbon (GAC) Ion Exchange Reverse Osmosis (RO) Ultraviolet (UV) Light Hot Topics Residential Water…