Radon Mitigation

Radon Filtration System Installation in CT

Remove Radon from Your Home’s Water

If you have a home in Connecticut, you’ve most likely heard of or dealt with Radon at some point in your life.

In this issue we’ll offer our thoughts on the 2 available methods for removing Radon from your home’s water supply.

We’ll look at the pros and cons of each, so hopefully you’ll have a better idea as to which method is best for your family.

When to Treat for Water Radon?

If you have a home that has tested above the recommended Maximum (4,000 pCi/L) for Radon in its water supply, both the the EPA and the State of Connecticut recommend mitigating your water for safety.

We won’t spend a lot of time in this article discussing the health risk factors associated with Connecticut water Radon. If you are reading this article we’ll assume you most likely already have concerns about the risks. We’ll also assume you’d like to know how to get rid of Radon so your family is safe.

How does Water Radon affect my Family?

Connecticut water Radon is a gas. When the Radon is underground, the gas can enter your water supply. The gas travels through the veins that feed your well. It’s then released back into your home’s air once it exits through points like shower heads (highest concern), dish washers (2nd highest concern) and washing machines (3rdhighest).

When you directly breathe in Radon gas, especially at close proximity, this is when the concerns start.

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remove radon from water in ct

How do I get rid of Radon from my Water?

We wish we could tell you that there are multiple options for removing Radon from your home. But, unfortunately, that really isn’t the case.

At this point in time there are two feasible options for removing Radon from your water, based on the technology that’s currently available:

  1. Aeration Ventilation (bubble-up systems)
  2. Granulated Activated Carbon Adsorption (charcoal adsorption)

There are vast differences between the two methods of Radon mitigation. Each has their own pluses and minuses.

We’ll be very up front here by saying that as water treatment professionals; the Bubble Up aeration systems are the most efficient in remedying Radon in your home’s water.

Having said that, there are occasional situations for a homeowner when a GAC system might be a viable option to look at.

Let’s take an objective look at those plusses and minuses for both methods, so that you can make your own decision as to which system might be right for you and your family.

Bubble Up Aeration: What is it?

Do you remember when you were a kid and you used to blow bubbles down through a straw in your glass of Soda? Well, whether or not you knew it, you were actually practicing Bubble Up Ventilation.

Water Radon Ventilation systems do the same basic thing for your home.

Untreated well water passes into a Radon Bubbling System (before entering the rest of the home).

Once inside the system, a blower unit forces air down inside the tank. Gas bubbles then rise to the top of the water’s surface.

Once the bubbles reach the surface, a vent line captures the gas and then directs it to a point outside the home. In essence, the system simply “vent’s” the gas before it can be vented into the home through fixtures & appliances.

The remaining “treated” water is now safe to use and able to continue its journey throughout your home.

That’s really how these systems operate. Pretty simple in actuality, but extremely effective and reliable.

The Pros

  • 95-99% removal rate
  • Effective at extremely high concentrations of Radon
  • Lower long-term costs
  • No removal or disposal of Radioactive material needed
  • No need to follow rigid State or EPA testing & removal schedules
  • Typically increases home’s water pressure and flow

The Cons

  • Higher up-front costs
  • Requires outside venting line
  • Requires electricity
  • Larger than GAC systems

Granular Activated Carbon Adsorption (GAC): What is it?

Carbon Adsorption, in its simplest form, is exactly like it sounds; it adsorbs Radon gas.

GAC systems use actual granules of charcoal to adsorb Radon gas from a home’s water supply, before it exits the shower heads and appliances that we talked about earlier.

An upright torpedo style filter tank is filled with GAC particles. The home’s main water supply runs through this filter tank and literally acts like a sponge to remove Radon contaminant from the water, before passing along to the rest of the home.

GAC tanks adsorb Radon gas until the charcoal granules are saturated and can no longer work properly. The tank(s) then require disposal and replacement.

The Pros

  • Lower up-front cost
  • Smaller than Bubbling Systems
  • Requires no electricity
  • Requires no venting

The Cons

  • 85-99% removal rate
  • Effective and safe only at lower Radon concentrations
  • Higher long-term costs
  • Requires adherence to State & EPA guidelines
  • Requires proper shielding of units
  • Requires “Radioactive Material” stickers on units
  • Typically less appealing to prospective home buyers

The above information is a “nutshell” version of the 2 methods of Connecticut water Radon mitigation available today, and how these systems function. Hopefully this will give you a basic idea of each’s pros & cons as well as which might be a suitable option for your home and your family.

For now, if you have any questions about these treatment methods, or if you have questions about Radon in general, feel free to contact us directly at 860-554-5219.


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We are more than happy to provide a consultation on which solution is most suitable for your needs. Why not schedule an appointment and we can discuss the various options with to remedy your issue. Our advice is free!

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