Radon in soil gas and in water is therefore common in maine and random sampling of maine homes suggests that any location could have high radon from either source.
Radon in well water maine.
1 in 10 wells in maine has too much arsenic uranium radon or other harmful chemicals.
As your radon level in water gets closer to 10 000 pci l you need to more strongly consider installing treatment.
Maine state guidelines for water.
In 1996 congress amended the safe drinking water act sdwa to commission the national academy of sciences nas to conduct a.
High levels of dissolved radon are found in the groundwater in some areas flowing through granite or granitic sand and gravel formations.
Information on epa s.
For this reason me cdc recommends that every home in maine with a private well should be tested for radon in both air and water.
Sometimes it comes from both places but the presence of soil gas radon does not indicate or predict the presence of well water radon nor does well water radon indicate or predict soil gas radon.
Epa s 2018 drinking water standards and health advisories tables.
Since radon is a radionuclide concentrations in air.
The current state of maine meg for water is 4 000 pci l.
If your home is for sale you cannot legally test for radon yourself.
The current advisory level for radon in your home s water supply is 4 000 pci l.
We ll respond quickly to treat your water supply so your family can enjoy drinking water that s free of harmful substances.
Maine cdc transitioned to using the environmental protection agency s epa drinking water standards and health advisory levels for contaminants found in well water in maine and no longer maintains seperate maximum exposure guidelines except for radon.
Your state laboratory certification office or state radon office can direct you to laboratories which may be able to test your.
The only way to know if your water is safe to drink is to test it.
Several in southern maine have radon concentrations above one million pci l.
If you have a private well.
What is the epa doing about setting an mcl for water radon.
Don t just keep drinking it turn to affordable water treatment maine radon pro llc for reliable water treatment services.
At levels of 4 000 pci l or higher you should consider action beginning with reviewing your total radon risk from radon in air and water.
Call the safe drinking water hotline 1 800 426 4791 which can provide phone numbers for your state laboratory certification office.
The maine bureau of health recommends radon concentrations in drinking water of 20 000 pci l or above be reduced.
While most radon related deaths are due to radon gas accumulated in houses from seepage through cracks in the foundation 30 to 1 800 deaths per year are attributed to radon from household water.
The state of maine has set an maximum exposure guideline for water.
You can do your own water testing by getting an easy to use kit from our store in greene me.
Fill out this form to receive more information a list of certified labs or a free dvd about how to test your well water.
If your water comes from a private well you should.