It is very important to keep a check on the water quality at home. And when we talk about whole-house water filtration systems, they are installed on a home’s main water supply. These are used to process all water that enters the house, comprising water used for laundry, toilet, and lawn. However, before you plan to buy a whole house water softener, ask yourself a few questions.
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I have picked up the top 10 questions and answers about the whole house water filtration system which need to be addressed. Hope this helps you in making your decision.
A whole home water purifier is required when there is a lot of sediment problem. It is installed on a home’s main water supply. It processes the complete water system that comes into the house and is used for all purposes such as cooking, laundry, toilets, etc. Sediments are small particles of sand that can damage all the taps including drinking water. They also get deposited in the water heaters which can eventually harm them. Moreover, if there is a concern of some kind of odor in the water, the complete water supply of the house should be filtered. Having a whole home water filtration system is a good option to prevent radioactive materials.
All the water filters tend to restrict water flow. Hence, it is important to understand the pressure. The flow rate will depend on the use of the water. The drinking water taps can usually have a maximum flow rate of ½ gallons per minute. However, if we talk about the entire house, approximately, 15 gallons per minute can flow through more than one tap. The flow rate can be calculated based on your incoming pipe size and the volume of water supply.
If an inappropriate filter is installed can restrict the water supply and it can happen that two taps cannot give water flow at the same time.
When we talk about groundwater, certain problems pop up. They are – odor, chlorine, sediment, unwanted minerals, and unwanted contaminants. A test of your tap water is required to understand the amount and variety of contaminants present in the water. This will give a clear picture of what type of filter you would need for the water supply. Some of these variants can be observed at home. If there are stains in the bathroom units, it means your water contains iron and minerals. Chlorine and a different kind of smell in the water can be easily noticed.
A home water filter should be able to remove the sediments and other contaminants. Some harmful minerals could also be a concern, with no leaving behind the odor and taste of the water.
A whole house water purifying system can range from 100$-10,000$. The installation charges would add up to this amount as this system needs to be installed with the main water supply of the house. Moreover, as the system filters water for the entire house, the cartridges would need periodic replacement.
YES. There is an activated carbon filter in the purification system. This helps to remove the contaminants which are responsible for the odor and taste of the water. Carbon leaves the water clean and pure. They last twice as long as sediment filters, but you would need to replace them regularly. They cannot be cleaned. However, keeping in mind that a sediment filter should be installed before a carbon filter will surely enhance the lifespan of the latter.
YES. There is a sediment filter in the system which removes the sediments from water. The whole house water purifying system also contains carbon filters with zinc and copper integrated into it. They keep bacteria from growing inside the filter. Usually, chlorine does this work. But if you wish to remove maximum chlorine from the water, you would need this filter which would help your system stay away from bacteria growth.
The system indicates that the filters need replacement. Keep a note when the flow rate reduces and the taste of water changes. The flow rate is disturbed due to excess sediment deposits. Hence, it is time to change the sediment filter. And, when the carbon filter loses its efficacy, the taste and odor of the water change. It’s time for you to change the carbon filter.
The watercolor may change when you replace the carbon filter. This is due to carbon dust being chased out from the new filter. Letting a few gallons of water flow away will solve this problem. It does not reoccur; only happens with new carbon filter cartridges.
A double canister water filter is a package of two filters, where one is used to remove sediment and the other enhances the taste and odor of the water. One filter can perform both tasks. However, it is always recommended to use two separate filters here. Hence, double canister filters are used. These filters also increase the flow rate.
A high-end whole-house water purifier can do the work at its best. Select the one that suits best according to your water supply. It can remove contaminants and sediments at the point of entry into the house. The whole house water system can filter water for cooking, washing, drinking, and toilet purposes. This system can also remove sulfur from the water.
If you are still confused about installing a whole house water purifying system, get a thorough check of your water supply and see what should be removed from your water to make it clean and pure. For more details, CALL US NOW!
The water treatment industry is in the forefront of treating drinking water that is both a health hazard and a nuisance to the household. Home water treatment service and supply companies and products promise to deliver drinking water that is safe and contaminant free. Purchasers need to sift through advertising claims and technical data to select the appropriate treatment method.
The first step in choosing a water treatment device is to have your water tested for contaminants and characteristics you suspect are causing a problem. Most people are alerted to potential problems due to objectionable taste, odor, color, or presence of sediments and staining. Rely on independent water tests conducted by a state certified lab to identify and evaluate specific contaminants.
If the water test indicates that you have a problem, installation of a treatment system may be necessary to remedy it. Be aware that water treatment equipment has tradeoffs:
Do your research and be a good consumer when shopping for water treatment equipment. The following are questions you can ask a water treatment professional or the water well contractor who installed the well to determine the type of system needed. Background information follows many of the questions. The extent to which the manufacturer or distributor is willing to provide answers can assist the consumer in making an informed choice.
Many water treatment companies provide free in-home water testing as part of their services. Not all contaminants can be evaluated this way. For example, many man-made chemicals, which have been associated with serious health problems, must be analyzed in a laboratory with sophisticated equipment. The consumer must be wary of companies that claim their home analyses determine more than basic water quality constituents such as hardness, pH, iron, and sulfur. Ideally, you should verify in-home tests with a water test conducted by a state certified laboratory.
Once you’ve accurately determined what contaminants and characteristics your drinking water has, the level detected will dictate the type of treatment system, if any, is most effective. Factors to consider include whether the water presents a health hazard and how the levels detected compare to Federal and/or State Drinking Water Quality Standards. Refer to the fact sheets about specific contaminants or characteristics that may be present in your drinking water. Additional information can be found on Internet sites such as the Environmental Protection Agency’s Office of Groundwater and Drinking Water
Make sure the company is reputable and established. Ask the company for referrals and contact the referrals to find out customer satisfaction.
NSF, International is a non-profit organization whose function is to set performance standards for water treatment equipment and evaluate test results of treatment devices to determine if claims are realistic. Products that have been tested and certified by NSF and meet their minimum requirements are entitled to display the NSF listing mark on the products or in advertising literature. Manufacturers and models that meet the applicable standard are included in a listing published twice a year. NSF has developed standards for the following types of treatment units.
ANSI/NSF 42: Drinking Water Treatment Units - Aesthetic Effects ANSI/NSF 44: Cation Exchange Water Softeners ANSI/NSF 53: Drinking Water Treatment Units - Health Effects ANSI/NSF 55: Ultraviolet Microbiological Water Treatment Systems ANSI/NSF 58: Reverse Osmosis Drinking Water Treatment Systems ANSI/NSF 62: Drinking Water Distillation SystemsAsk the sales representative which standards the product meets. Also, ask for test results showing removal of the specific contaminant(s) you need or want to remove. Tests by third party organizations (those neutral to and trusted by all interests served) should provide extra confidence.
Consider a second opinion on recommended water treatment equipment. Check with at least one additional dealer to see what treatment procedure and equipment is recommended, and ask questions. Compare at least two brands, and consult other references.
The Water Quality Association (WQA) is an organization of manufacturers, distributors, and dealers that sets minimum acceptable levels of knowledge for water treatment businesses, sales and equipment installers. Ask if the dealer is a member of WQA and if any employees are WQA-certified water specialists, sale representatives, or installers.
WQA is a voluntary organization, so nonmembers are not implied to be less competent. However, persons who have attended training sessions and taken tests to demonstrate their knowledge should know their business. The Association’s web page is www.wqa.org.
Depending on the type of contaminant and its concentration, you may need to treat all the water entering the house or only the water used for drinking and cooking. If the contaminant is only a problem when you drink it, such as lead, you may only need point-of-use (POU) treatment. POU treatment devices are typically installed at the kitchen faucet to treat water for drinking and cooking. However, if the contaminant is also hazardous when you get it on your skin or inhale it, for example, a volatile organic compound or radon, you will need to treat all the water entering the house, point-of-entry (POE). POE treatment devices are typically installed in the basement after the water pressure tank. Many treatment units are available in both POU and POE models, including granular activated carbon filters, reverse osmosis, and microfiltration units.
The consumer must be certain that enough treated water will be produced for everyday use. For example, distillation units produce 3- 12 gallons of treated water daily depending on the model. In addition, the maximum flow rate of the treatment device should be sufficient for the peak home use rate. Consider installing a flow water meter to help determine what the peak home water use is.
The consumer must watch for hidden costs such as separate installation fees, monthly maintenance fees, or equipment rental fees. Additionally, the disposal of waste materials, such as spent cartridges from activated carbon units and used filters, can add to the cost of water treatment and should be figured into the purchase price. You may be able to install some treatment devices on your own. Ask the dealer for all costs involved in the installation and maintenance of the treatment system.
Regardless of whether you or your dealer provides the service, there is a cost. Filter cartridges must be changed, materials added as needed, and the water tested regularly to be sure things are working properly. Unserviced equipment may contribute to increased levels of some contaminants. Find out what supplies and equipment are needed, and the expected costs. Determine how often a filter membrane, ultraviolet light, or media will need to be changed and who is responsible for doing this. Ask the dealer if there are any other water quality conditions, like pH or sediments that can affect the effectiveness of the treatment system.
The cost of treated water in the home will vary depending upon the cost of electricity and the amount of energy required to operate the treatment unit. Ask about average monthly electrical use for the system you are interested in purchasing.
Many units have backup systems or shutoff valve functions to prevent consumption of untreated water.
Testing the water a month after the equipment is installed will assure the homeowner that the unit is accomplishing the intended treatment. Have the test completed at a state certified laboratory. Additionally, water used for outside purposes should not have to be treated. This will provide you with a raw water tap, which can be periodically tested to compare the effectiveness of your treatment system. Water test results from the raw water tap will also help you to assess changes in your water quality.
The warranty may cover only certain parts of a device. The consumer should be aware of the warranty conditions.
The consumer should be aware that some water treatment equipment works by adding something to your drinking water to remedy the problem at hand. For example, some water softening units will replace the iron removed from the water with sodium.
These guidelines are for individuals planning to consult a water treatment industry representative. It must be emphasized that treatment can be for aesthetic as well as health factors. If drinking water poses a health risk, the consumer should consider the cost of purchasing bottled water or tying into a public water system, if available, as an alternative to treatment.
Water Treatment Devices for Common Contaminants and Undesirable Minerals Contaminant and Minerals Treatment Devices UV Light Ion Exchange Mechanical Filter Activated Carbon Activated Alumina Reverse Osmosis Distillation Aeration Chlorination Bacteria and Viruses ♦ ♦ Taste and Odor ♦ ♦ ♦ Lead ♦ ♦ ♦ ♦ ♦ Nitrate ♦ ♦ ♦ Chlorine, Trihalomethanes ♦ Radon ♦ ♦ Hardness ♦ VOCs and other Organics ♦ ♦ Pesticides, PCBs ♦ ♦ Iron and Manganese ♦ ♦ ♦ Sulfate ♦ ♦ ♦ Giardia and Crytosporidium Cysts ♦ ♦ ♦ Sediment, Turbidity ♦ Total Dissolved Solids ♦ ♦ Aluminum ♦ ♦ Arsenic ♦ ♦ ♦ Barium ♦ ♦ ♦ Cadmium ♦ ♦ ♦ Chloride ♦ ♦ Chromium ♦ ♦ Copper ♦ ♦ Fluoride ♦ ♦ ♦ Mercury ♦ ♦ Radium ♦ ♦ ♦ Selenium ♦ ♦ ♦ Silver ♦ ♦ Zinc ♦ ♦Adapted from Citizen’s Guide to Home Drinking Water Treatment Devices, Commonwealth of Pennsylvania Department of Environmental Protection, Bureau of Water Standards and Facility Regulation, P.O. Box 8467, Harrisburg, Pa 17105-8467. 10/2005
Advantages and Disadvantages of Home Water Treatment Devices Device and Cost Advantage DisadvantageActivated Carbon Filter:
Point-of-Use activated carbon filters cost between $100 and $500. Replacement filters cost $30 to $50.
Point-of-Entry treatment devices cost between $750 and $1,500. Replacement filters cost $300 to $500.
Effective at removing a wide range of organic contaminants such as VOCs and pesticides.
Carbon block and precoat designs have been validated as effective for lead reduction.
Often effective for reducing taste and odor problems.
Does not use electricity or generate wastewater.
Not effective at removing inorganic materials such as hardness, iron, nitrate or fluoride.
Bacteria growth may occur in the carbon filter if not maintained properly.
May require post-disinfection.
Reverse Osmosis:
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Under the sink devices including a mechanical prefilter and an activated carbon post filter cost $500 to $1,500. Replacement membranes cost $50 to $150.
Can remove a wide variety of inorganic and organic contaminants including lead, nitrate and sodium.
Normal household water pressure provides good performance.
Uses from three to five gallons of water for each gallon produced.
Some membranes are damaged by chlorine.
Ion Exchange:
From $500 to $1200 depending on the resin and type of equipment. Cation exchange resins cost less than Anion exchange resins.
Cation Exchange Units
Effective for removing minerals such as hardness, barium, radium, nitrate, sulfate, calcium and magnesium. Effective for removing iron (if concentrations do not exceed 1 mg/L).
Anion Exchange Units
Effective for removing nitrates, bicarbonate, selenium and sulfate.
Removes one type of ion replacing it with another, i.e. sodium replaces with iron.
Requires backwashing and regeneration (usually with sodium chloride or potassium chloride).
Microfiltration:
Use-device mechanical particulate filters typically cost between $50 and $200 Filter replacements cost $20 to $60.
Effective for removing suspended particles such as rust, dirt and sediment. Filters tested and approved for Giardia and Cryptosporidium cysts are available. Not effective for removing dissolved contaminants such as lead, nitrate, VOCs, etc.Distillation:
Between $150 and $700 for a countertop model.
Removes the greatest variety of contaminants.Uses approximately three kilowatts of electricity per gallon of water.
Water-cooled units waste a considerable amount of water.
Will require frequent cleaning, especially where the water is hard.
Removal of minerals may leave bland taste to the water.
Process is slow.
Aeration:
Between $3,000 and $4,500.
Effective for removing radon and volatile organic chemicals.Expensive to purchase and install.
Requires secondary pumping and pressurization.
Ultraviolet Light:
Between $300 and $700.
Effective for destroying bacteria and Giardia and Cryptosporidium cysts. Not effective for virus removal.Activated Alumina:
Same as Activated Carbon.
Effective for removal of arsenic, fluoride and lead. Does not use electricity and does not waste water. Will usually not remove minerals other than those listed.Chlorination:
Between $800 and $1,500.
Only effective way of dealing with large amounts of iron, hydrogen sulfide and colloidal iron.
It is an excellent disinfectant.
Requires handling and storage of hazardous chemicals.
Requires time to insure that chemicals are mixed properly and available when needed.
Adapted from Citizen’s Guide to Home Drinking Water Treatment Devices, Commonwealth of Pennsylvania Department of Environmental Protection, Bureau of Water Standards and Facility Regulation, P.O. Box 8467, Harrisburg, Pa 17105-8467. 10/2005
The purchase of water treatment equipment is a decision that must be carefully considered. Whether the purchase is being made to improve the aesthetic characteristics of the water or to address health considerations, many factors must be determined. You may want to keep a logbook, allowing you to keep track of all maintenance and repairs on your treatment system. The following are some key steps in selecting equipment:
Center for Agriculture Food and the Environment
This fact sheet is one in a series on drinking water wells, testing, protection, common contaminants, and home water treatment methods available on-line
and Cape Cod Cooperative Extension: 508-375-6699
http://www.capecodextension.org
MA Dept. of Environmental Protection, Division of Environmental Analysis
Offers assistance, information on testing and state certified laboratories: 617-292-5770
For a listing of MassDEP certified private laboratories in Massachusetts
U.S. Environmental Protection Agency, New England Office
Information and Education on where drinking water comes from; drinking water testing and national laws; and how to prevent contamination
US Environmental Protection Agency
For a complete list of primary and secondary drinking water standards
MA Department of Conservation and Recreation, Division of Water Supply Protection
Maintains listing of registered well drillers, information on well location and construction: 617-626-1409,
NSF International
The NSF International has tested and certified treatment systems since 1965. For information on water treatment systems: 800-NSF-MARK
Water Quality Association
The Water Quality Association is a not-for-profit international trade association representing the household, commercial, industrial, and small community water treatment industry.
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