Metallic taste in tap water
Hanson MA
A metallic taste in water is usually due to the presence of iron and/or copper, which can leach into water from pipes. Zinc and manganese are less common causes of a metallic taste. The presence of these metals can be confirmed by having the water analyzed.
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For us, water was precious. Several hundred families shared a single tap. Queuing up was only part of the problem, for once water came, it was usually a dirty yellow. If we went down to the river to fetch water, a hard sweaty job at best, we had to treat it with bleach to make it fit for drinking or cooking, and it left a metallic taste.
[DOCX File]appohigh.enschool.org
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Jan 25, 2012 · Most tap water in the United States supplies approximately 5 percent of the dietary requirement for iron. Dissolved ferrous iron gives water a disagreeable metallic taste. When the iron combines with tea, coffee and other beverages, it produces an inky, black appearance and a harsh, unacceptable taste.
[DOC File]Polnell Shores Water Association (Polnell Shores Community ...
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Manganese and iron are considered to be an aesthetic problem. At sufficient concentrations, iron can adversely affect the taste of water and can leave rust colored stains on laundry, plumbing fixtures and porcelain. Manganese can cause similar problems, has a bitter metallic taste and may leave black “specks” in ice cubes.
[DOC File]Louisiana Department of Environmental Quality
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Some tap water may contain naturally occurring minerals such as iron or manganese that can give the water a somewhat metallic taste or brown-black color. Some tap water contains small amounts of hydrogen sulfide gas that gives it a “rotten egg” smell.
Desk Guide for Drinking Water Quality Management
7 Lead and copper are regulated by a treatment technique that requires systems to control the corrosiveness of their water. If more than 10% of tap water samples exceed the action level, water systems must take additional steps. For copper, the action level is …
[DOC File]What Is Water
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Water in the body comes mainly from two sources: liquids and foods. A small amount of water is produced when the body metabolizes the food you eat (converts it to energy). Water is removed from the body in urine and feces, perspiration and exhalation (breathing out air). Most adult bodies are about 50-75% water.
[DOC File]FOODBORNE DISEASES - DPHHS
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NOT potential sources of drinking water. Water quality: Standards for tap water based on the National Primary Drinking Water Standards (NPDWS) developed under the Safe Drinking Water Act (SDWA) of 1974 as amended in 1986 and 1996. ... May give metallic taste to water. MCL for mercury < 0.002 mg/l.
[DOC File]City of Dearborn Heights
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The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. ... black staining; bitter metallic taste Erosion of natural deposits and corrosion of iron pipes ... chemical or physical characteristic of water that may adversely affect the taste, odor, color or appearance ...
[DOCX File]Drinking-Water Guidelines - Chapter 18: Aesthetic ...
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High pH waters (alkaline) have an unpleasant taste, and the high pH can also impart a soapy feel to the water. Low pH levels may influence the taste of the water indirectly by the release of metal corrosion products. Metallic tastes, whether from corrosion products or natural concentrations of metals, iron for example, can be unpleasant.
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