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Your Position: Home - Water Treatment - Questions to Ask Before You Buy A Water Treatment System

Questions to Ask Before You Buy A Water Treatment System

Author: Mirabella

Jun. 23, 2025

Questions to Ask Before You Buy A Water Treatment System

Contents

  • 1 First step: Test your water
  • 2 Second step: Be a wise consumer
    • 2.1 Were the water tests adequate?
    • 2.2 Other consumer protection concerns
      • 2.2.1 Choose a reputable company
      • 2.2.2 Choose a certified product
      • 2.2.3 Second opinions on treatment recommendations
    • 2.3 Other questions to consider
      • 2.3.1 Is whole-house or just single-tap treatment needed?
      • 2.3.2 Will the unit produce enough treated water daily to meet household needs?
      • 2.3.3 What are the total purchase price and expected maintenance costs of the device?
      • 2.3.4 What are the service intervals and the costs involved with this equipment?
      • 2.3.5 Will the unit substantially increase electrical usage in the home?
      • 2.3.6 Is there an alarm or indicator light on the device to alert the consumer of a malfunction?
      • 2.3.7 Does the purchase price include follow-up water testing to ensure the equipment is working properly after a month or two?
      • 2.3.8 What is the expected lifetime of the product and warranty coverage?
      • 2.3.9 What potential secondary effects will the treatment unit have on your water quality?
  • 3 Summary

First step: Test your water

The first step in choosing a water treatment device is to have your water tested. Tests should be done at an independent, state certified lab.

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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 trade-offs. There is routine maintenance. Some systems may need to be periodically back-flushed, which will increase the wastewater load to your septic system. The treatment may remove one contaminant, yet add something else to your water. For example, an ion exchange system installed to remove iron and manganese, may add sodium to your drinking water, causing a potential problem for people with high blood pressure or on sodium-restricted diets. Be a good consumer and do your research 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 you in making an informed choice.

Second step: Be a wise consumer

Were the water tests adequate?

Some water treatment companies include free in-home water testing in 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 that 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. Factors to consider include whether the water presents a health hazard and how the levels detected compare to EPA Federal and/or State Drinking Water Quality Standards.

Other consumer protection concerns

Choose a reputable company

Make sure the company you choose to install your water system is reputable and established. How long has the company been in business, and is there a list of referrals you can contact? Ask the company for referrals and contact the referrals to find out if customers were satisfied.

Choose a certified product

Has the treatment system been tested by a third party organization, like the National Sanitation Foundation (NSF) International, to treat the specific contaminant in question? NSF International is a non-profit organization whose function is to set performance standards for water treatment equipment. It evaluates test results of the treatment device to determine if claims are realistic. Products that have been tested and certified by NSF and that meet their minimum requirements are entitled to display the NSF mark on the products or in advertising literature for products. Manufacturers and models that meet the applicable standard are included in a listing published twice a year.

Ask the sales representative which standards the product meets. Also, ask for test results showing that the specific contaminant(s) you need or want to remove will be addressed by the system you are considering. Tests by third party organizations (those neutral to and trusted by all interests served) should provide extra confidence.

Second opinions on treatment recommendations

Is a second opinion on treatment procedures and equipment necessary? 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.

Other questions to consider

Is whole-house or just single-tap treatment needed?

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 single tap or 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 at the 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.

Will the unit produce enough treated water daily to meet household needs?

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.

What are the total purchase price and expected maintenance costs of the device?

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.

What are the service intervals and the costs involved with this equipment?

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.

Will the unit substantially increase electrical usage in the home?

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.

Is there an alarm or indicator light on the device to alert the consumer of a malfunction?

Many units have backup systems or shutoff valve functions to prevent consumption of untreated water.

Does the purchase price include follow-up water testing to ensure the equipment is working properly after a month or two?

Testing the water a month after the equipment is installed will assure the homeowner that the unit is accomplishing the intended treatment. Have the water tested at a state certified lab.

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.

What is the expected lifetime of the product and warranty coverage?

How long is your new system expected to last? What is the length of the warranty period and what does the warranty cover? The warranty may cover only certain parts of a device. The consumer should be aware of the warranty conditions.

What potential secondary effects will the treatment unit have on your water quality?

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, water softeners installed to remove iron may replace the iron removed from the water with sodium.

Summary

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 log book to keep track of water test results, and maintenance and repairs on your treatment system. The following key steps can be used as a checklist when selecting equipment.

Septic Tank Questions When Buying A House | ADP Enviro

When you’re in the market for a new home, especially in rural areas, there’s a crucial aspect that often goes overlooked: the septic system.

Countless homebuyers face unexpected challenges due to inadequate knowledge about their property’s wastewater management. This guide will equip you with the essential questions to ask when considering a house with a septic tank installation, ensuring you make an informed decision and avoid costly surprises down the road.

Understanding Septic Systems: The Basics

Before diving into the questions, let’s briefly review what a septic system is and how it functions. A septic system is an underground wastewater treatment structure commonly used in areas without centralised sewer systems. It typically consists of a septic tank, where solids settle and initial breakdown occurs, and a drainage field (also known as a leach field or soakaway), where the liquid effluent is further treated and dispersed into the soil.

There are several types of off-mains sewage systems, each with its own characteristics and maintenance requirements:

• Septic Tanks: These basic systems consist of a tank and drainfield. They typically require annual emptying to maintain optimal function.

Read Also > How Do Septic Tanks Work?

• Cesspits: These are essentially holding tanks without an outlet, necessitating frequent emptying—often 4-8 times per year.

• Sewage Treatment Plants: More advanced than septic tanks, these systems incorporate mechanical parts for improved treatment. They generally require annual servicing and emptying.

Understanding the specific type of system installed at a property is crucial, as it directly impacts maintenance needs and associated costs.

Questions to Ask When Buying a House with a Septic Tank

1. What type of drainage system does the property have?

Understanding the specific type of system is crucial as it affects maintenance requirements and costs. Request detailed information about the system, including the type of tank, the location of the main components, any modifications made to the original system, and specific maintenance requirements and frequency.

Are you interested in learning more about Wastewater Treatment Tanks? Contact us today to secure an expert consultation!

A thorough understanding of the system in place will help you plan for future maintenance and potential upgrades. It’s not uncommon for sellers or their agents to be uncertain about the specifics of the system, so don’t hesitate to request documentation or suggest a professional inspection if needed.

2. Does the current system comply with the latest regulations?

Regulatory compliance is non-negotiable when it comes to septic systems. The Environmental Agency’s General Binding Rules, which came into effect in , set strict standards for small sewage discharges. One of the key points to consider is that septic tanks can no longer discharge directly to surface water, such as streams or ditches.

If the property you’re considering has a non-compliant system, it must be upgraded before the sale can be completed. This could involve replacing the septic tank with a sewage treatment plant or installing a drainage field, both of which can be significant expenses.

Ask the seller for documented evidence of compliance. This might include recent inspection reports, permits, or certificates. If they can’t provide this information, it’s advisable to hire a specialist to conduct a thorough inspection before proceeding with the purchase.

3. How old is the septic tank, and when was it last inspected?

Age isn’t always a deal-breaker for septic systems, but it’s an important factor to consider. A well-maintained septic tank can last for decades, but older systems may be more prone to issues. Inquire about the installation date of the current system, as well as the dates and results of recent inspections.

It’s also crucial to ask about any repairs or upgrades made over the years. This information can give you insight into the system’s overall condition and help you anticipate future maintenance needs or potential issues.

4. What’s the maintenance history of the septic system?

Regular maintenance is crucial for the longevity and efficiency of a septic system. Request information on the frequency of tank emptying, which is typically recommended annually. Ask to see service records and receipts, as these can provide valuable information about the system’s health and any recurring issues or problems.

A well-maintained system should have consistent records of annual emptying and servicing. If these records are spotty or non-existent, it could indicate neglect and potential future problems.

5. Is the septic tank shared with other properties?

Shared septic systems can complicate ownership and maintenance responsibilities. If the system is shared, it’s essential to understand the arrangements in place. Inquire about the number of properties sharing the system and any agreements for maintenance costs and responsibilities.

You should also ask about access rights for servicing and repairs. Shared systems can work well with clear agreements in place, but they can also lead to disputes if responsibilities are not clearly defined.

6. Where exactly is the septic tank and drainage field located?

The location of the septic system components can impact future property use and maintenance. Request a detailed map or diagram of the system’s layout. Confirm that all components are within the property boundaries, as having system components on neighbouring land can complicate maintenance and potential upgrades.

If any components are located on neighbouring land, inquire about any easements or access rights that are in place. Understanding the system’s layout can also help you avoid inadvertently damaging the system through future landscaping or construction projects.

7. What’s the capacity of the system, and is it adequate for your needs?

Septic systems are designed to handle a specific volume of wastewater. It’s crucial to ensure the existing system can accommodate your household’s needs. Ask about the tank’s capacity in gallons or litres, and inquire about the number of bedrooms or occupants the system is designed to serve.

Discuss any plans you have for expanding the property or increasing occupancy, as this could impact the system’s ability to cope. An undersized system can lead to frequent problems and may require costly upgrades.

8. Have there been any issues with the system in recent years?

Past problems can be indicators of future troubles. Don’t hesitate to ask about any backups, overflows, or foul odours that have occurred. Inquire about slow draining fixtures or gurgling sounds in the plumbing, as these can be signs of system issues.

Also, pay attention to the condition of the drainage field. Unusually lush or soggy areas could indicate problems with the system’s ability to properly disperse effluent.

9. Is there a warranty or guarantee on any recent work?

If the system has been recently installed or repaired, inquire about any warranties or guarantees on the work. Ask about the transferability of warranties to new owners, as this could provide valuable protection against future issues.

Request contact information for the company that performed the work, as they may be best placed to provide ongoing maintenance or address any issues that arise.

10. Can I see the results of a recent percolation test?

A percolation test measures how quickly water drains through the soil, which is crucial for the proper functioning of the drainage field. Ask for results of recent percolation tests and information on soil type and drainage characteristics.

Inquire about any known issues with soil saturation or high water tables, as these factors can significantly impact the system’s effectiveness and longevity.

The Importance of Professional Inspections

While asking these questions can provide valuable insights, there’s no substitute for a professional inspection of the septic system before finalising your home purchase. A comprehensive evaluation can provide:

  • Detailed assessments of the system’s condition
  • Compliance checks against current regulations
  • Identification of potential issues or necessary upgrades
  • Expert advice on maintenance requirements

Investing in a thorough inspection now can save you thousands in potential repairs or replacements down the line.

Conclusion

Buying a house with a septic tank doesn’t have to be daunting. By asking these essential questions and seeking professional advice, you can make an informed decision and ensure your new home’s wastewater system is up to par.

At ADP Enviro, we’re committed to helping homebuyers navigate the complexities of septic systems, providing peace of mind and expert solutions.

Our team of specialists can conduct comprehensive inspections, offer tailored advice, and provide ongoing maintenance services to keep your septic system in top condition. Don’t let septic tank concerns put a damper on your dream home purchase.

Contact ADP Enviro today for expert guidance and support throughout your property buying journey.

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