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Drinking Water Contaminants- Copper

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This is a factsheet about a chemical that may be found in some public or private drinking water supplies. It may cause health problems if found in amounts greater than the health standard set by the United States Environmental Protection Agency (EPA). What is Copper and how is it used? Copper is a metal found in natural deposits as ores containing other elements. It is widely used in household plumbing materials. Why is Copper being regulated? In 1974, Congress passed the Safe Drinking Water Act. This law requires EPA to determine safe levels of chemicals in drinking water which do or may cause health problems. These non-enforceable levels, based solely on possible health risks and exposure, are called Maximum Contaminant Level Goals. The MCLG for copper has been set at 1.3 parts per million (ppm) because EPA believes this level of protection would not cause any of the potential health problems described below. Since copper contamination generally occurs from corrosion of household copper pipes, it cannot be directly detected or removed by the water system. Instead, EPA is requiring water systems to control the corrosiveness of their water if the level of copper at home taps exceeds an Action Level. The Action Level for copper has also been set at 1.3 ppm because EPA believes, given present technology and resources, this is the lowest level to which water systems can reasonably be required to control this contaminant should it occur in drinking water at their customers home taps. These drinking water standards and the regulations for ensuring these standards are met, are called National Primary Drinking Water Regulations. All public water supplies must abide by these regulations. What are the health effects? Short- and long-term effects: Copper is an essential nutrient, required by the body in very small amounts. However, EPA has found copper to potentially cause the following health effects when people are exposed to it at levels above the Action Level. Short periods of exposure can cause gastrointestinal disturbance, including nausea and vomiting. Use of water that exceeds the Action Level over many years could cause liver or kidney damage. People with Wilsons disease may be more sensitive than others to the effect of copper contamination and should consult their health care provide How much Copper is produced and released to the environment? Copper may occur in drinking water either by contamination of the source water used by the water system, or by corrosion of copper plumbing. Corrosion of plumbing is by far the greatest cause for concern. Copper is rarely found in source water, but copper mining and smelting operations and municipal incineration may be sources of contamination. From 1987 to 1993, according to the Toxics Release Inventory copper compound releases to land and water totaled nearly 450 million lbs., of which nearly all was to land. These releases were primarily from copper smelting industries. The largest releases occurred in Utah. The largest direct releases to water occurred in Tennessee. What happens to Copper when it is released to the environment? All water is corrosive toward copper to some degree, even water termed noncorrosive or water treated to make it less corrosive. Corrosivity toward copper is greatest in very acidic water. Many of the other factors that affect the corrosivity of water toward lead can also be expected to affect the corrosion of copper. How will Copper be detected in and removed from my drinking water? The regulation for copper became effective in 1992. Between 1993 and 1995, EPA required your water supplier to collect water samples from household taps twice a year and analyze them to find out if copper is present above 1.3 ppm in more than 10 percent of all homes tested. If it is present above this level, the system must continue to monitor this contaminant twice a year. If contaminant levels are found to be consistently above the Action level, your water supplier must take steps to reduce the amount of copper so that it is consistently below that level. The following treatment methods have been approved by EPA for controlling copper: Corrosion control. How will I know if Copper is in my drinking water? If the water system fails to comply with any EPA or state treatment requirements, the system must notify the public via newspapers, radio, TV and other means. Additional actions, such as providing alternative drinking water supplies, may be required to prevent serious risks to public health. This is a factsheet about a chemical that may be found in some public or private drinking water supplies. It may cause health problems if found in amounts greater than the health standard set by the United States Environmental Protection Agency (EPA). Drinking Water Standards: MCLG: 1.3 ppm Action level: 1.3 ppm Copper Releases to Water and Land, 1987 to 1993 (in pounds):   Water Land TOTALS 1,538,148 442,082,245 Top Ten States * UT 55,350 153,501,500 NM 0 130,682,387 AZ 2,636 104,619,532 MI 19,763 11,172,897 NY 66,57 10,017,766 MT 0 8,696,153 TN 301,417 1,208,804 MO 250 1,486,000 AL 41,213 513,536 MD 78,601 270,945 Major Industries* Primary copper smelting 7,591 201,214,264 Other nonferrous smelt. 4,414 11,317,048 Plastic materials 44,422 9,637,850 Blast furnaces, steel 156,982 3,229,752 Poultry slaughtering 0 1,249,750 Copper rolling, drawing 17,253 941,075 Ind. organic chems 28,936 827,356 Prepared feeds, misc. 1,038 760,094 Ind. inorganic chems 220,503 527,458 As part of the Drinking Water and Health pages, this fact sheet is part of a larger U.S. EPA publication: EPA National Primary Drinking Water Regulations

We at reverse-osmosis-water-filter-guide.com is dedicated to help you find the best reverse osmosis drinking water filter systems. Our site discuss the "must-read" of buying reverse osmosis filters, topics including:

• How to find a top quality reverse osmosis water filter..the facts you need to know before you buy
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• How to test your water so you know your reverse osmosis system is working in its top condition.
• Is bottled water really the safest? How does it compare to reverse osmosis purification systems?
• What are the different types of bottled water and their quality? What type of drinking water is the safest and healthiest
• Does your area have a water pollution problem? How many and which contaminants can reverse osmosis filters effectively remove?
• How do reverse osmosis filters give you the purest water? Reverse osmosis filtration technology explained in detail.
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Editor's Note: Do You Know What's In The Water That You're Drinking?
In 1993, the City of Milwaukee Wisconsin experienced a sad tragic event. People died from contamination in the public water supply. Cryptosporidium cysts poisoned over 100,000 people. Over 1000 people were hospitalized and nearly 100 people died. As a result of this, Milwaukee changed their water treatment facilities. People deserve safe, clean water both for drinking and for bathing. No one wants to wonder whether or not they are going to be poisoned by their water supply..
Water filtration should be the answer however studies have shown that many water filters out there only remove a small percentage of these harmful contaminants. We are promoting reverse osmosis technology because reverse osmosis has proved itself to be the ultimate and the most economical water purification method.