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No. Many cities in the USA and Canada have used chloramines for decades.
Your water is surface water from the Waikamoi forest reserve, which is treated by microfiltration at the Olinda Water Treatment Facility. The Maui Department of Water Supply recognizes the need to keep disinfection as consistent and stable as possible throughout the water system. The Maui DWS uses chloramines for their ability to last in the distribution system, for their lack of taste and odor and for their safety. It has been shown that chloramines help deliver water to you with the lowest possible levels of trihalomethanes (THMs).
THMs are chemical compounds that are formed when chlorine mixes with naturally occurring organics in water. The U.S. Environmental Protection Agency (EPA) conducted tests, which determined that chloroform (one of the THMs) is carcinogenic when consumed by laboratory animals in large quantities over a prolonged period of time, and is a suspected carcinogen for people. EPA set a standard of 100 parts per billion as the safe maximum level of THMs in drinking water.
Yes. Chloramines have been used safely in the USA and Canada for many years. EPA accepts chloramines as a disinfectant and as a way to avoid THM formation. Were it not for some kind of disinfectant in drinking water, disease-causing organisms such as typhoid and cholera could be carried in your drinking water. Chloraminated water is safe for bathing, drinking, cooking and all uses we have for water every day. However, there are two groups of people who need to take special care with chloraminated water: kidney dialysis patients and fish owners.
In the dialysis process, water comes in contact with the blood across a permeable membrane. Chloramines in that water would be toxic, just as chlorine is toxic, and must be removed from water used in kidney dialysis machines. There are two ways to do that - either by adding ascorbic acid or using granular activated carbon treatment. Medical centers that perform dialysis are responsible for purifying the water that enters the dialysis machines.
Yes. All medical facilities should know about the effects of chloramines. If you have any doubt, please ask your physician.
You should first check with your physician who will probably recommend the appropriate type of water treatment. Often, home dialysis service companies can make the needed modifications, but you should check with your physician to be certain.
No. Water for the rest of the Maui DWS system is disinfected by chlorination. This includes Central Maui, Molokai, East Maui, West Maui, Makawao, Haiku, Pukalani, and Lower Kula.
Chloramines are harmful when they go directly into the bloodstream, as happens in kidney dialysis. Fish also take chloramines directly into their bloodstreams. That's why chloramines must be removed from water that goes into kidney dialysis machines or is used in fish tanks and ponds.
Yes. Everyone can drink water that's chloraminated because the digestive process neutralizes the chloramines before they reach the bloodstream. Even kidney dialysis patients can drink, cook, and bathe in chloraminated water. It's only when water interacts directly with the bloodstream - as in dialysis or in a fish's gill structure - that chloramines must be removed.
Certainly. Even large amounts of water used in cleaning a cut would have no effect because virtually no water actually enters the bloodstream that way.
Yes. People with those medical problems can use chloraminated water for all purposes.
Chloraminated water is no different than chlorinated water for all of the normal uses we have for water. Water that contains chloramines is totally safe to drink. The digestive process neutralizes the chloramines before they reach the blood stream. Even kidney patients can drink and bathe in chloraminated water.
Yes. Everyone can drink water that contains chloramines.
The amount of chloramines will be extremely small - no more than 2 parts per million parts of water. If you are concerned that even this low concentration might cause problems for you, check with your physician. The predominant type of chloramines will be monochloramine (NH2Cl) and will be in the ratio of 5 parts chlorine to one part ammonia-nitrogen.
No. The pH of the water will remain the same as before.
If you notice any change at all, you may find the water has less of a chlorine odor or taste.
Most water softeners are not designed to remove chloramines.
It could. If the bottled water company uses water supplied by a water district that uses chloramines, then the water it provides will have chloramines in it, unless the company takes special steps to remove them.
No. You will still need a free-chlorine residual to retard algae and bacteria growth. The chlorine chemicals and test kits you currently use can still be used with confidence. Contact your local pool supply store for any specific questions.
The small amount of chloramines should have no effect on plants of any type. Beneficial bacteria will generally be protected by the soil in which they live. Chloramines will be removed by the high chlorine demand in the soil.
Chloramines are toxic to fish, shellfish, reptiles and amphibians and must be removed from water, just as chlorine is toxic and must be removed. You may not have had to remove chlorine from your aquarium water, however, because it disappears rapidly on its own. This is not the case with chloramines and steps should be taken to remove chloramines. Most pet stores have sold dechlorinating agents for years and, generally, have recommended using them. The chemicals used to remove chlorine should work just as well for chloramines. Several manufacturers have been adding chloramine information on labels on their products for years.
No. Unlike chlorine, which dissipates when water sits for a few days, chloramines may take weeks to disappear. If you don't want to use a dechloraminating chemical, the next best solution is to install a granular activated filter and allow sufficient contact time.
This will depend on the amount of water added in relation to the size of the aquarium or pond and the time period over which it's added. An alternative is to monitor for a total chlorine residual in the aquarium or pond while adding the chloraminated water. Chloramine residuals in water used to keep fish should be kept below 0.1 mg/L. Total chlorine test kits are available from pet stores, pool supply stores and chemical supply houses. Make sure that the kit is for "total chlorine" or "combined chlorine," not "free chlorine." A free chlorine test of chloraminated water would read zero but still be toxic to fish.
Chloramines will have to be removed if the water used to make salt water solution comes from a chloraminated supply. Chloramines affect salt water fish just as they effect fresh water fish.
Yes. Koi are just as susceptible to chloramines as any other fish.
Yes. However, it must contain high quality granular activated carbon and you must permit sufficient contact time between the water and the carbon.
No. Salts can be caught by the permeable membranes but chloramines pass through easily.
No. Boiling is not an effective method of removing chloramines from water. The only practical methods for removing chloramines from water are using a water conditioner which contains a dechloraminator or by using granular activated carbon.
Ammonia can be toxic to fish, although all fish produce some ammonia as a natural byproduct. Ammonia is also released when chloramines are chemically removed. Although ammonia levels may be tolerable in individual tanks or ponds, commercial products are available at pet supply stores to remove excess ammonia. Also, biological filters, natural zeolites and pH control methods are effective in reducing the toxic effects of ammonia.
They would be affected if the water in the channels or ponds is chloraminated. Most water that runs into channels, however, would be agricultural, landscaping, or storm water drainage. After water has been used for one purpose, it probably would not have enough residual chloramines to affect the fish.
Most water which runs into streams and ponds would be agricultural, landscaping, or storm water drainage. After water has been used for one purpose, it probably would not have enough residual chloramine to affect fish.
Yes. Chloramines have the potential to stain photographic emulsions or retard development. Please contact your equipment manufacturer and your chemical supplier to determine if chloramines will effect your set up. If you need to remove the chloramines there are two recommended methods for the removal of chloramines, use f specific reagents or a granular activated carbon (GAC) filter.
Call the Maui Department of Water Supply laboratory at (808) 270-7550.Please view the Water Quality Report for Upper Kula for more information and details on the amount of THMs in the area's water system.